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EXAM FORENSICS AUDIT

NUMS 2026 vs. BeambePrep Anki Match

Comparing all 135 science questions from today's paper to public Biology, Chemistry, and Physics decks.

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Biology
55 / 55 (100%)
Chemistry
40 / 40 (100%)
Physics
39 / 40 (97.5%)
Biology · MCQ #1 Question Bank ID #22808
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Identify the type of glycoprotein, responsible for cell fusion process in HIV cycle:
Verified Key (B): gp 41
BeambePrep Pulse Deck Study Card
Deck: Biology XI 05. Acellular Life
Card ID #1185 Card 94 of 243 in deck Deck #8
Front: Which HIV glycoprotein is responsible for Cell Fusion ?
Back: gp41 (Transmembrane protein)
Biology · MCQ #2 Question Bank ID #22809
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following enzymes converts mRNA to complementary DNA (cDNA)?
Verified Key (B): Reverse transcriptase
BeambePrep Pulse Deck Study Card
Deck: Biology XI 05. Acellular Life
Card ID #1191 Card 100 of 243 in deck Deck #8
Front: Which enzyme converts HIV ssRNA into ssDNA?
Back: Reverse Transcriptase
Biology · MCQ #3 Question Bank ID #22810
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Edward Jenner used material removed from the lesion on the hand of milkmaid and vaccinated a boy suffering from which of the following disease?
Verified Key (C): Cow pox
BeambePrep Pulse Deck Study Card
Deck: Biology XII 07. Variation & Genetics
Card ID #105570 Card 177 of 294 in deck Deck #1436
Front: The famous pedigree of Queen Victoria is used to illustrate the inheritance of which genetic disease?
Back: Haemophilia A History: It spread through the royal families of Europe via X-linked recessive inheritance, passed from carrier mothers to affected sons.
Biology · MCQ #4 Question Bank ID #22811
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Adenovirus are classified as:
Verified Key (B): Polyhedral capsid
BeambePrep Pulse Deck Study Card
Deck: Biology XI 05. Acellular Life
Card ID #1329 Card 238 of 243 in deck Deck #8
Front: What is a Polyhedral capsid?
Back: Many Sided (e.g., Icosahedral)
Biology · MCQ #5 Question Bank ID #22812
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] If a person is doing strenuous exercise, how many ATPs are produced by cellular respiration?
Verified Key (A): 2 ATPs
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #6022 Card 245 of 274 in deck Deck #54
Front: How many times does the Krebs cycle turn for every ONE molecule of glucose that enters cellular respiration?
Back: Twice (2 times) The Math: One 6-carbon glucose splits into TWO 3-carbon pyruvates during glycolysis. Each pyruvate generates one Acetyl-CoA, meaning two Acetyl-
Biology · MCQ #6 Question Bank ID #22813
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The end product of non-cyclic electron pathway is:
Verified Key (A): ATP and NADPH
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #5995 Card 218 of 274 in deck Deck #54
Front: In the respiratory Electron Transport Chain, Complex IV (Cytochrome Oxidase) passes its electrons directly to what final acceptor molecule?
Back: Molecular Oxygen (O 2 ) The End Product: Oxygen immediately combines with the electrons and free protons to form Water (H 2 O).
Biology · MCQ #7 Question Bank ID #22814
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Pyruvic acid is converted into acetaldehyde through which step?
Verified Key (A): Decarboxylation
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #5860 Card 94 of 274 in deck Deck #54
Front: In the final step of glycolysis, Phosphoenolpyruvate (PEP) is converted into Pyruvate. Which enzyme catalyzes this step?
Back: Pyruvate Kinase Energy Release: This step involves the removal of a high-energy phosphate from PEP to generate ATP (Substrate-level phosphorylation).
Biology · MCQ #8 Question Bank ID #22815
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Choose the correct sequence of electron carrier in respiratory ETC:
Verified Key (B): Coenzyme Q -> cytochrome b -> cytochrome c -> cytochrome a -> cytochrome a3
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #5906 Card 129 of 274 in deck Deck #54
Front: What is the specific name of Complex III in the respiratory Electron Transport Chain?
Back: Cytochrome Reductase Complex (Cytochrome bc 1 ) Function: It takes electrons from Coenzyme Q and passes them to Cytochrome c, acting as a proton pump in the pro
Biology · MCQ #9 Question Bank ID #22816
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Pumping movement of protons occur from:
Verified Key (B): Matrix of mitochondria and mitochondrial intermembrane space
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #6032 Card 255 of 274 in deck Deck #54
Front: During respiratory chemiosmosis, the Electron Transport Chain actively pumps protons (H + ) from the Mitochondrial Matrix into the [?] to build a gradient.
Back: Intermembrane Space The Battery: This creates a massive electrochemical gradient. The protons are trapped between the inner and outer membranes.
Biology · MCQ #10 Question Bank ID #22817
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Net product of Krebs cycle is:
Verified Key (C): 4CO2, 2ATP, 6NADH, 2FADH2
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #5870 Card 104 of 274 in deck Deck #54
Front: Why is the Krebs Cycle frequently referred to as the Tricarboxylic Acid (TCA) Cycle ?
Back: Because its first stable product, Citrate (Citric Acid), contains three carboxylic acid groups. Naming History: Discovered by Sir Hans Krebs, the cycle has thre
Biology · MCQ #11 Question Bank ID #22818
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The electron carrier of mitochondria are found in:
Verified Key (D): Inner mitochondrial membrane
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #6030 Card 253 of 274 in deck Deck #54
Front: In the respiratory Electron Transport Chain, which specific mobile carrier shuttles electrons between Complex III and Complex IV?
Back: Cytochrome c Location: Unlike CoQ, Cytochrome c is a small, water-soluble protein that slides along the outer surface of the inner mitochondrial membrane.
Biology · MCQ #12 Question Bank ID #22819
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which one of the following is a monosaccharide?
Verified Key (D): Fructose
BeambePrep Pulse Deck Study Card
Deck: Biology XI 07. Digestion/Nutrition
Card ID #1035 Card 179 of 234 in deck Deck #7
Front: By which mechanism is Fructose absorbed?
Back: Facilitated Diffusion Mnemonic: F for F ructose, F for F acilitated.
Biology · MCQ #13 Question Bank ID #22820
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] What is percentage of water in brain cells?
Verified Key (C): 85%
BeambePrep Pulse Deck Study Card
Deck: Biology XI 02. Bio-Molecules
Card ID #337 Card 328 of 338 in deck Deck #4
Front: Percentage of Water in Cells?
Back: 70 - 90%
Biology · MCQ #14 Question Bank ID #22821
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Proportion of carbohydrate in bacterial and mammalian cell is:
Verified Key (B): 3%, 4%
BeambePrep Pulse Deck Study Card
Deck: Biology XI 01. Cell
Card ID #505 Card 159 of 228 in deck Deck #5
Front: What is the function of the Bacterial Cell Wall?
Back: Shape & Structural Support
Biology · MCQ #15 Question Bank ID #22822
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Water has very high heat capacity due to its:
Verified Key (B): Hydrogen bonding
BeambePrep Pulse Deck Study Card
Deck: Biology XI 02. Bio-Molecules
Card ID #274 Card 273 of 338 in deck Deck #4
Front: The evaporation of 2 ml of water from 1 Liter lowers the temperature by ________ °C.
Back: 1 °C The Concept: This demonstrates the high Heat of Vaporization (574 Kcal/kg), which explains why sweating is such an efficient cooling mechanism.
Biology · MCQ #16 Question Bank ID #22823
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which one of the following biomolecule is involved in the transport of oxygen?
Verified Key (A): Protein
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #6030 Card 253 of 274 in deck Deck #54
Front: In the respiratory Electron Transport Chain, which specific mobile carrier shuttles electrons between Complex III and Complex IV?
Back: Cytochrome c Location: Unlike CoQ, Cytochrome c is a small, water-soluble protein that slides along the outer surface of the inner mitochondrial membrane.
Biology · MCQ #17 Question Bank ID #22824
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which is the second most abundant organic molecule on earth?
Verified Key (D): Chitin
BeambePrep Pulse Deck Study Card
Deck: Biology XI 02. Bio-Molecules
Card ID #299 Card 297 of 338 in deck Deck #4
Front: What is the most abundant organic compound on Earth?
Back: Cellulose
Biology · MCQ #18 Question Bank ID #22825
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Glycerol reacts with fatty acids to produce:
Verified Key (C): Acyl glycerol
BeambePrep Pulse Deck Study Card
Deck: Biology XI 02. Bio-Molecules
Card ID #20 Card 20 of 338 in deck Deck #4
Front: What are Acylglycerols composed of?
Back: Glycerol + Fatty Acids (Up to 3 FAs)
Biology · MCQ #19 Question Bank ID #22826
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] During cell wall formation absence of magnesium results in:
Verified Key (C): Lack of middle lamella
BeambePrep Pulse Deck Study Card
Deck: Biology XI 01. Cell
Card ID #452 Card 108 of 228 in deck Deck #5
Front: What are the 3 layers of the Plant Cell Wall?
Back: 1. Middle Lamella (Outermost) 2. Primary Cell Wall 3. Secondary Cell Wall (Innermost)
Biology · MCQ #20 Question Bank ID #22827
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Identify the mismatch in the following:
Verified Key (C): Mitochondria - deamination
BeambePrep Pulse Deck Study Card
Deck: Biology XII 04. Nervous Coordination
Card ID #101830 Card 165 of 367 in deck Deck #1368
Front: Identify the three cellular components that make up Nissl's Granules .
Back: 1. Ribosomes 2. Endoplasmic Reticulum (ER) 3. Golgi Apparatus Location: Found concentrated in the neuron cell body and dendrites.
Biology · MCQ #21 Question Bank ID #22828
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which organelle will increase in number, in muscles of athlete?
Verified Key (A): Mitochondria
BeambePrep Pulse Deck Study Card
Deck: Biology XII 06. Reproduction
Card ID #4716 Card 143 of 162 in deck Deck #37
Front: Infertility: What is Varicocele and how does it cause male infertility?
Back: Overheating of Testes Mechanism: Enlarged veins in the scrotum increase temperature, which damages sperm shape and number (sperm need temp < body core).
Biology · MCQ #22 Question Bank ID #22829
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] In secretory cells which pathway is followed for the transport of material?
Verified Key (C): RER -> SER -> golgi complex
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #6029 Card 252 of 274 in deck Deck #54
Front: In the respiratory Electron Transport Chain, which specific mobile carrier shuttles electrons between Complex I/II and Complex III?
Back: Coenzyme Q (Ubiquinone) Structure: It is a lipid-soluble molecule that diffuses freely within the hydrophobic core of the inner mitochondrial membrane.
Biology · MCQ #23 Question Bank ID #22830
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] How many number of chromosomes are present in onion?
Verified Key (A): 16
BeambePrep Pulse Deck Study Card
Deck: Biology XII 07. Variation & Genetics
Card ID #105559 Card 166 of 294 in deck Deck #1436
Front: How many Linkage Groups does a normal human possess?
Back: 23 Rule: The number of linkage groups corresponds exactly to the haploid number of homologous chromosomes.
Biology · MCQ #24 Question Bank ID #22831
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] A cell is treated with a toxin that disrupts Golgi apparatus. Which function is affected?
Verified Key (B): Protein modification
BeambePrep Pulse Deck Study Card
Deck: Biology XII 04. Nervous Coordination
Card ID #101831 Card 166 of 367 in deck Deck #1368
Front: What is the primary physiological function of Nissl's Granules in the neuron cell body?
Back: Production and packaging of Acetylcholine (ACh) Process: The Ribosomes and ER synthesize the proteins, and the Golgi Apparatus packages them into synaptic vesic
Biology · MCQ #25 Question Bank ID #22832
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Where modification and packaging occur in secretary cells?
Verified Key (A): Golgi apparatus
BeambePrep Pulse Deck Study Card
Deck: Biology XII 04. Nervous Coordination
Card ID #101831 Card 166 of 367 in deck Deck #1368
Front: What is the primary physiological function of Nissl's Granules in the neuron cell body?
Back: Production and packaging of Acetylcholine (ACh) Process: The Ribosomes and ER synthesize the proteins, and the Golgi Apparatus packages them into synaptic vesic
Biology · MCQ #26 Question Bank ID #22833
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] A person continuously faces water imbalance in body due to damage of which part of the brain?
Verified Key (D): Hypothalamus
BeambePrep Pulse Deck Study Card
Deck: Biology XII 04. Nervous Coordination
Card ID #101771 Card 106 of 367 in deck Deck #1368
Front: If a person is asked to close their eyes and they immediately lose their balance and fall over, damage to which brain structure is suspected?
Back: The Cerebellum Clinical Check (Romberg's Test): With visual input removed, the damaged cerebellum can no longer maintain the 3D internal body image (propriocept
Biology · MCQ #27 Question Bank ID #22834
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which part of brain is activated to release excess CO2 from body produced during strenuous exercise?
Verified Key (B): Medulla
BeambePrep Pulse Deck Study Card
Deck: Biology XII 04. Nervous Coordination
Card ID #101715 Card 50 of 367 in deck Deck #1368
Front: During a severe state of Hypoglycemia , which part of the brain does the body shut down FIRST to save energy?
Back: Cerebral Cortex Survival Triage: The brain reserves all remaining glucose for the primitive brainstem just to keep the heart beating and lungs breathing. The en
Biology · MCQ #28 Question Bank ID #22835
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The cerebrospinal fluid (CSF) is present between:
Verified Key (B): Arachnoid matter & Pia matter
BeambePrep Pulse Deck Study Card
Deck: Biology XII 04. Nervous Coordination
Card ID #101781 Card 116 of 367 in deck Deck #1368
Front: Where exactly is Cerebrospinal Fluid (CSF) located outside the brain?
Back: In the Subarachnoid Space Anatomy Check: This is the specific space located directly between the Pia mater and the Arachnoid mater.
Biology · MCQ #29 Question Bank ID #22836
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] What is the role of growth hormone after adolescence?
Verified Key (A): Promotes protein synthesis
BeambePrep Pulse Deck Study Card
Deck: Biology XII 05. Chemical Coordination
Card ID #101479 Card 47 of 231 in deck Deck #1369
Front: How does Growth Hormone (GH/Somatotropin) directly alter amino acid dynamics to stimulate cell growth?
Back: It stimulates the active uptake of amino acids into cells. Result: This massive influx of raw materials increases the rate of protein synthesis, driving tissue
Biology · MCQ #30 Question Bank ID #22837
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following is correct function of calcitonin?
Verified Key (B): Inhibits Ca+2 absorption by intestine
BeambePrep Pulse Deck Study Card
Deck: Biology XII 05. Chemical Coordination
Card ID #101493 Card 61 of 231 in deck Deck #1369
Front: How does Calcitonin directly affect the intestines and kidneys to lower blood calcium levels?
Back: 1. Intestines: Inhibits Ca 2+ absorption. 2. Kidneys: Decreases Ca 2+ reabsorption (allowing excretion in urine). Dual Action: Alongside promoting calcium depos
Biology · MCQ #31 Question Bank ID #22838
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] What is secreted when the levels of blood glucose get too low?
Verified Key (B): Glucagon
BeambePrep Pulse Deck Study Card
Deck: Biology XII 05. Chemical Coordination
Card ID #101459 Card 27 of 231 in deck Deck #1369
Front: In the Islets of Langerhans (Pancreas), what specific hormone is secreted by the α cells (alpha cells) ?
Back: Glucagon Function: It acts directly antagonistic to insulin, forcing the liver to break down glycogen to massively raise blood sugar levels.
Biology · MCQ #32 Question Bank ID #22839
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Pathway followed by nerve impulse during reflex action is:
Verified Key (A): Interneuron -> synapse -> dendrites -> cell body of motor neuron
BeambePrep Pulse Deck Study Card
Deck: Biology XII 04. Nervous Coordination
Card ID #101983 Card 318 of 367 in deck Deck #1368
Front: Based on structural polarity, which specific type of neuron possesses many dendrites and one main axon extending from the cell body?
Back: Multipolar Neuron Classic Example: Motor neurons are strictly multipolar, allowing them to receive massive amounts of incoming data before firing an execution c
Biology · MCQ #33 Question Bank ID #22840
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Identify the animals having both mammalian and reptilian features:
Verified Key (B): Spiny ant eater
BeambePrep Pulse Deck Study Card
Deck: Biology XII 09. Biotechnology
Card ID #105852 Card 165 of 177 in deck Deck #1437
Front: The USDA successfully engineered mice to produce human growth hormone in their urine . Provide one biological reason why urine is a superior pharmaceutical vehi
Back: Both males and females urinate (only females produce milk). Animals urinate from birth (milk requires reaching maturity). Extracting proteins from urine is bioc
Biology · MCQ #34 Question Bank ID #22841
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] An enzyme which requires a cofactor to become active is called:
Verified Key (A): Apoenzyme
BeambePrep Pulse Deck Study Card
Deck: Biology XI 03. Enzymes
Card ID #593 Card 18 of 280 in deck Deck #6
Front: What is a Holoenzyme ?
Back: Active Complete Enzyme (Apoenzyme + Cofactor)
Biology · MCQ #35 Question Bank ID #22842
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which statement best describes competitive inhibitors?
Verified Key (C): Prevent enzyme product complex
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #5992 Card 215 of 274 in deck Deck #54
Front: Where exactly in a eukaryotic cell are the enzymes of the Krebs Cycle located?
Back: Mitochondrial Matrix Exception: The enzyme Succinate Dehydrogenase (which makes FADH 2 ) is embedded in the inner mitochondrial membrane as Complex II of the ET
Biology · MCQ #36 Question Bank ID #22843
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Due to snake bite a person's heart stops working. Which type of venom will be found in his body?
Verified Key (A): Hemotoxic
BeambePrep Pulse Deck Study Card
Deck: Biology XII 03. Support & Movement Support & Movement (Main)
Card ID #102470 Card 57 of 246 in deck Deck #1378
Front: Which type of cartilage is the most abundant in the human body and is typically found at movable joints ?
Back: Hyaline Cartilage Function: It provides a smooth, frictionless surface for bones to glide over one another.
Biology · MCQ #37 Question Bank ID #22844
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Identify the enzyme which shows absolute specificity:
Verified Key (C): Urease
BeambePrep Pulse Deck Study Card
Deck: Biology XI 03. Enzymes
Card ID #665 Card 90 of 280 in deck Deck #6
Front: Which enzyme demonstrates Absolute Specificity ?
Back: Urease (Only acts on Urea)
Biology · MCQ #38 Question Bank ID #22845
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Some industries are continuously polluting aquatic bodies. This can affect metabolic pathway of plants by changing their pH:
Verified Key (B): More acidic
BeambePrep Pulse Deck Study Card
Deck: Biology XI 02. Bio-Molecules
Card ID #278 Card 277 of 338 in deck Deck #4
Front: Why does Ice float on liquid water?
Back: Lattice Structure expands Significance: This insulates aquatic life during winter.
Biology · MCQ #39 Question Bank ID #22846
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] All flowering plants are thought to be evolved from a common ancestor on the basis of which homologous structures?
Verified Key (A): Stamen, carpel, sepals, petals
BeambePrep Pulse Deck Study Card
Deck: Biology XII 08. Evolution
Card ID #5645 Card 80 of 201 in deck Deck #53
Front: What is the definition of Homologous Structures ?
Back: Similar structure/origin, Different function The Mechanism: These structures prove a common ancestor . They are a result of Divergent Evolution (one anatomical
Biology · MCQ #40 Question Bank ID #22847
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Barriers which effect geographical distribution of life are:
Verified Key (D): Physical, Ecological or Environmental
BeambePrep Pulse Deck Study Card
Deck: Biology XII 07. Variation & Genetics
Card ID #105403 Card 10 of 294 in deck Deck #1436
Front: A Modification represents an alteration at which specific level of an organism?
Back: Phenotype (Physical traits) Context: Driven entirely by environmental factors without altering the genetic sequence.
Biology · MCQ #41 Question Bank ID #22848
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Why are some genes called pseudoautosomal, even though they are present on sex chromosome?
Verified Key (C): They are present on both X and Y chromosomes
BeambePrep Pulse Deck Study Card
Deck: Biology XII 07. Variation & Genetics
Card ID #105527 Card 134 of 294 in deck Deck #1436
Front: Genes like the bobbed gene in Drosophila that are present on both the X and Y chromosomes are known as what?
Back: Pseudoautosomal genes Inheritance: Because they exist on both sex chromosomes, their pattern of inheritance mimics standard autosomal genes.
Biology · MCQ #42 Question Bank ID #22849
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] As a result of natural disaster, few species continue to survive due to their characteristics. This results in:
Verified Key (A): Increase in favorable alleles
BeambePrep Pulse Deck Study Card
Deck: Biology XII 08. Evolution
Card ID #5714 Card 149 of 201 in deck Deck #53
Front: What evolutionary term describes when an individual dies before reproducing due to unfavorable genes?
Back: Differential Mortality The Filter: This prevents unfavorable characteristics from being transmitted, actively removing those alleles from the gene pool.
Biology · MCQ #43 Question Bank ID #22850
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of these correctly order the structure of arteries?
Verified Key (A): Connective tissues -> Smooth muscle -> Elastic tissue -> Endothelium
BeambePrep Pulse Deck Study Card
Deck: Biology XII 06. Reproduction
Card ID #4699 Card 126 of 162 in deck Deck #37
Front: Which uterine layer is responsible for Labor Contractions ?
Back: Myometrium Structure: The middle, thick muscular layer composed of smooth muscle.
Biology · MCQ #44 Question Bank ID #22851
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Epidermis is outer most layer of the skin, which is composed of:
Verified Key (B): Tightly packed cells
BeambePrep Pulse Deck Study Card
Deck: Biology XI 09. Immunity
Card ID #1995 Card 8 of 141 in deck Deck #13
Front: The outermost layer of the Epidermis consists of dead cells containing ________ .
Back: Keratin
Biology · MCQ #45 Question Bank ID #22852
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which type of muscle controls the movement of substance through hollow organs?
Verified Key (B): Smooth muscles
BeambePrep Pulse Deck Study Card
Deck: Biology XII 03. Support & Movement Support & Movement (Main)
Card ID #102560 Card 147 of 246 in deck Deck #1378
Front: What is the primary function of Smooth Muscle contraction?
Back: To control the movement of substances through hollow organs Mechanism: They do not move bones; they squeeze fluids (like blood) and solids (like food) through i
Biology · MCQ #46 Question Bank ID #22853
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Smallest contractile unit of muscle fibers present between two lines is known as:
Verified Key (C): Sarcomere
BeambePrep Pulse Deck Study Card
Deck: Biology XII 03. Support & Movement Support & Movement (Main)
Card ID #102580 Card 167 of 246 in deck Deck #1378
Front: What is the fundamental contractile unit of a myofibril, defined as the repeating segment between two successive Z-lines?
Back: The Sarcomere The Engine: This tiny segment physically shortens during a muscle contraction. Millions of them shortening at once causes the whole muscle to pull
Biology · MCQ #47 Question Bank ID #22854
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which ion is responsible for the attachment of tropomyosin with the head of myosin during cross bridge?
Verified Key (B): Ca++ ions
BeambePrep Pulse Deck Study Card
Deck: Biology XII 03. Support & Movement Support & Movement (Main)
Card ID #102602 Card 189 of 246 in deck Deck #1378
Front: What term describes the formation when the "cocked" Myosin head binds directly to the exposed site on the Actin filament?
Back: A Cross-Bridge Mechanism: The thick and thin filaments are now physically locked together.
Biology · MCQ #48 Question Bank ID #22855
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] During muscle contraction which type of events occurs respectively?
Verified Key (C): I band shorten -> H-zone disappears
BeambePrep Pulse Deck Study Card
Deck: Biology XII 03. Support & Movement Support & Movement (Main)
Card ID #102594 Card 181 of 246 in deck Deck #1378
Front: During a massive muscle contraction, what happens to the H-Zone (the central gap)?
Back: It disappears completely (or becomes narrower) Why? The Actin filaments are pulled all the way into the center, completely overlapping the Myosin and erasing th
Biology · MCQ #49 Question Bank ID #22856
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which one of the following organism is responsible for transforming nitrogen gas into ammonium?
Verified Key (C): Rhizobium
BeambePrep Pulse Deck Study Card
Deck: Biology XI 04. Bio-Energetics
Card ID #5957 Card 180 of 274 in deck Deck #54
Front: During glycolysis, the enzyme Aldolase is responsible for which specific action?
Back: Splitting Fructose-1,6-bisphosphate into G3P and DHAP The "Lysis" in Glycolysis: This is the exact moment the 6-carbon sugar is physically cracked in half.
Biology · MCQ #50 Question Bank ID #22857
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Identify one of the following chemo-therapeutic agent used to control bacterial infections:
Verified Key (A): Nitrofurans
BeambePrep Pulse Deck Study Card
Deck: Biology XII 01. Respiration
Card ID #1670 Card 131 of 167 in deck Deck #10
Front: Name the primary bacterial agent of Pneumonia.
Back: Streptococcus pneumoniae
Biology · MCQ #51 Question Bank ID #22858
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Why male gonads are present outside the body?
Verified Key (C): They need 2ºC temperature less than human body
BeambePrep Pulse Deck Study Card
Deck: Biology XII 04. Nervous Coordination
Card ID #101871 Card 206 of 367 in deck Deck #1368
Front: In the human body, are Pain Receptors more or less abundant than cold receptors?
Back: More abundant (Nearly 27 times more) Evolutionary Logic: Detecting tissue damage is a higher immediate survival priority than detecting a drop in temperature.
Biology · MCQ #52 Question Bank ID #22859
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which set of events will occur if fusion of gametes does NOT take place?
Verified Key (D): Corpus luteum degenerate, LH decline, progesterone decline
BeambePrep Pulse Deck Study Card
Deck: Biology XII 02. Homeostasis
Card ID #4482 Card 214 of 305 in deck Deck #36
Front: Which hormone maintains the Corpus Luteum ?
Back: LH (Luteinizing Hormone) Result: The Corpus Luteum secretes Progesterone .
Biology · MCQ #53 Question Bank ID #22860
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following is correct order of the transport of bicarbonate from blood to lungs?
Verified Key (D): Red blood cells -> Capillaries -> Alveoli
BeambePrep Pulse Deck Study Card
Deck: Biology XII 02. Homeostasis
Card ID #4323 Card 55 of 305 in deck Deck #36
Front: Which blood vessel takes blood AWAY from the Glomerulus?
Back: Efferent Arteriole Fate: Breaks down into the Peritubular Capillaries surrounding the nephron.
Biology · MCQ #54 Question Bank ID #22861
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which set of digestive enzymes play a vital role in breakdown of protein?
Verified Key (C): Pepsin, trypsin, erepsin
BeambePrep Pulse Deck Study Card
Deck: Biology XI 03. Enzymes
Card ID #694 Card 119 of 280 in deck Deck #6
Front: Which digestive enzymes are secreted as Zymogens ?
Back: Proteases (Pepsin, Trypsin)
Biology · MCQ #55 Question Bank ID #22862
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Gene of one allele which inhibits the effect of other allele at different locus is called as:
Verified Key (D): Epistatic gene
BeambePrep Pulse Deck Study Card
Deck: Biology XII 07. Variation & Genetics
Card ID #105578 Card 185 of 294 in deck Deck #1436
Front: In epistasis, the gene that suppresses or masks the effect of another gene is called the [?] gene .
Back: Epistatic Contrast: The gene being masked is the Hypostatic gene.
Chemistry · MCQ #1 Question Bank ID #22863
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following is equal to 1 mole of Na+?
Verified Key (B): 6.02 x 10^23 ions
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 01. Stoichiometry
Card ID #2641 Card 3 of 35 in deck Deck #16
Front: What is Molar Mass (M) and its units?
Back: Mass of 1 mole (g/mol) The Bridge: Molar mass is numerically equal to the atomic mass (amu), but expressed in grams . It allows us to weigh out specific numbers
Chemistry · MCQ #2 Question Bank ID #22864
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The e/m value for positive rays depends upon nature of gas used because:
Verified Key (D): Number of electrons and protons
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 02. Atomic Structure
Card ID #3159 Card 12 of 115 in deck Deck #22
Front: How does the \(e/m\) of Canal Rays compare to Cathode Rays?
Back: Magnitude: ALWAYS smaller than electrons. Consistency: Variable (depends on the gas used). Reason: Positive ions are much heavier than electrons, and different
Chemistry · MCQ #3 Question Bank ID #22865
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Select the correct increasing energy order of orbitals?
Verified Key (A): 4s < 3d < 4p < 5s
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 10. Chemical Bonding
Card ID #135946 Card 157 of 252 in deck Deck #1715
Front: In the Molecular Orbital energy sequence for \(O_2\) and \(F_2\) , which orbital is filled first (has lower energy): \(\sigma 2p_x\) or \(\pi 2p_y\)?
Back: \(\sigma 2p_x\) Normal Order: The head-on sigma orbital is lower in energy (more stable) than the sideways pi orbitals.
Chemistry · MCQ #4 Question Bank ID #22866
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following expressions represent Boyle's law?
Verified Key (D): P1V1 = P2V2
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 10. Chemical Bonding
Card ID #136032 Card 243 of 252 in deck Deck #1715
Front: Which of the following bonds is likely the most polar ? C-Cl, Si-F, or Se-F?
Back: Si-F Why? Fluorine is the most electronegative element. Silicon is further to the left (less electronegative) than Carbon or Selenium, creating the greatest ele
Chemistry · MCQ #5 Question Bank ID #22867
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which Celsius temperature represents zero kelvin or absolute zero?
Verified Key (C): -273.16ºC
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 03. Gases
Card ID #2814 Card 5 of 170 in deck Deck #18
Front: What is the mathematical expression for Charles's Law ?
Back: \(\frac{V_1}{T_1} = \frac{V_2}{T_2}\) Critical Note: Temperature MUST be in Kelvin. If you use Celsius, the math breaks (dividing by zero at 0°C is bad).
Chemistry · MCQ #6 Question Bank ID #22868
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] An egg takes 5 minutes to boil at sea level while 10 minutes at Murree hills because of:
Verified Key (D): Low external pressure
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 03. Gases
Card ID #2944 Card 134 of 170 in deck Deck #18
Front: Why does water boil at lower temp on a mountain?
Back: Lower Atmospheric Pressure Result: It takes less heat to make vapor pressure match the lower atmospheric pressure.
Chemistry · MCQ #7 Question Bank ID #22869
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Fluorine is a gas and Iodine is a solid at room temperature due to:
Verified Key (C): High polarizability
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 01. S & P Block Elements
Card ID #114916 Card 32 of 112 in deck Deck #1550
Front: Why is CO 2 a gas at room temperature while SiO 2 is a high-melting solid?
Back: CO 2 forms discrete linear molecules, SiO 2 forms a giant continuous covalent network Molecular Level: Carbon is small enough to form \(C=O\) double bonds. Sili
Chemistry · MCQ #8 Question Bank ID #22870
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Ionic solids are bad conductors of heat and electricity because:
Verified Key (C): Ions can only vibrate about their fixed position
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 10. Chemical Bonding
Card ID #135983 Card 194 of 252 in deck Deck #1715
Front: In chemical kinetics, why do reactions between Ionic compounds in aqueous solutions occur almost instantaneously?
Back: Because no covalent bonds need to be broken Explanation: The ions are already dissociated and free-floating in the water. They simply collide and immediately fo
Chemistry · MCQ #9 Question Bank ID #22871
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] If 10% urea is present in aqueous solution of sodium chloride, what will be the shape of crystals obtained?
Verified Key (A): Octahedral
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 08. Thermochemistry
Card ID #138719 Card 140 of 151 in deck Deck #1739
Front: When a solute completely dissolves in a solvent, the overall measured heat change is known as the Enthalpy of what?
Back: Solution (\(\Delta H^{\circ}_{sol}\)) Context: It can be either endothermic (ammonium chloride) or exothermic (sodium carbonate).
Chemistry · MCQ #10 Question Bank ID #22872
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Kc = Kp when delta n is equal to:
Verified Key (A): Zero
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 08. Thermochemistry
Card ID #138634 Card 55 of 151 in deck Deck #1739
Front: Is the Standard Enthalpy of Formation \(\Delta H^{\circ}_{f}\) for Diamond equal to zero?
Back: No Why? Only the most stable allotrope (Graphite) is assigned a value of zero. Diamond has a slightly positive \(\Delta H^{\circ}_{f}\) (+1.90 kJ/mol) because i
Chemistry · MCQ #11 Question Bank ID #22873
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The pH of human blood is maintained at:
Verified Key (D): 7.35
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 07. Acids, Bases & Salts
Card ID #4914 Card 64 of 92 in deck Deck #40
Front: What is the normal pH of Human Blood ?
Back: 7.35 to 7.45 Biological Context: Maintained by the Bicarbonate buffer system. Other fluids: Tears (7.4), Milk (6.7-6.8).
Chemistry · MCQ #12 Question Bank ID #22874
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The unit of rate constant is same as the rate of reaction in:
Verified Key (D): Zero order reaction
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 07. Reaction Kinetics
Card ID #138501 Card 53 of 131 in deck Deck #1738
Front: If a reaction has a rate constant k = \(3.5 \times 10^{-4} \text{ s}^{-1}\) , what is the Order of the reaction?
Back: First Order Hack: Look only at the units! The unit s -1 is the exclusive fingerprint of a First Order reaction.
Chemistry · MCQ #13 Question Bank ID #22875
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following represents Arrhenius constant expression?
Verified Key (B): K = Ae^(-Ea/RT)
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 07. Reaction Kinetics
Card ID #138533 Card 85 of 131 in deck Deck #1738
Front: What is the Arrhenius Equation , which mathematically relates the rate constant of a reaction to temperature?
Back: \(k = A e^{-E_a/RT}\) Variables: k = Rate constant A = Arrhenius constant (frequency factor) E a = Activation energy R = Universal gas constant T = Temperature
Chemistry · MCQ #14 Question Bank ID #22876
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which expression is according to the Hess's law?
Verified Key (A): \sum \Delta H (\text{cycle}) = 0
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 08. Thermochemistry
Card ID #138662 Card 83 of 151 in deck Deck #1739
Front: According to Hess's Law, what is the exact algebraic sum of all enthalpy changes (\(\Sigma \Delta H\)) in a completely closed chemical cycle ?
Back: Zero (\(0\)) Math representation: \(\Sigma \Delta H_{(cycle)} = 0\)
Chemistry · MCQ #15 Question Bank ID #22877
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following represents the expression of internal energy?
Verified Key (B): \Delta E = q + w
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 07. Reaction Kinetics
Card ID #138542 Card 94 of 131 in deck Deck #1738
Front: Is the following statement True or False? "Enzymes are capable of altering the thermodynamic equilibrium of a biochemical reaction."
Back: False Why? Like all catalysts, enzymes only speed up the rate at which equilibrium is reached (kinetics) by lowering activation energy. They cannot change therm
Chemistry · MCQ #16 Question Bank ID #22878
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which is added in the product side to balance equation? $$\text{H}_2\text{SO}_3 + \text{H}_2\text{O} \rightarrow \text{HSO}_4^-$$
Verified Key (B): 2e-, 3H+
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 07. Acids, Bases & Salts
Card ID #4912 Card 62 of 92 in deck Deck #40
Front: Mechanism: If strong acid (\(H^+\)) is added to a buffer, which component neutralizes it?
Back: The Conjugate Base (Salt) Example: \(CH_3COO^- + H^+ \rightarrow CH_3COOH\) The strong acid is converted into a weak acid, minimizing pH change.
Chemistry · MCQ #17 Question Bank ID #22879
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The oxidation state of Mn in KMnO4 is:
Verified Key (C): +7
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 03. Hydrocarbons
Card ID #2738 Card 63 of 259 in deck Deck #17
Front: Oxidation of Ethyne with alkaline KMnO4 yields?
Back: Oxalic Acid Intermediate: Glyoxal (\(CHO-CHO\)) is formed first, which further oxidizes to Oxalic Acid (\(COOH-COOH\)).
Chemistry · MCQ #18 Question Bank ID #22880
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] When atoms approaches each other for chemical bond formation, it leads to:
Verified Key (A): Decrease in energy
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 08. Thermochemistry
Card ID #138614 Card 35 of 151 in deck Deck #1739
Front: Because atoms drop to a lower, more stable energy state when they link together, the formation of a chemical bond is strictly an [ ... ] process.
Back: Exothermic Context: The "leftover" energy they no longer need to stay separated is violently ejected into the surroundings as heat.
Chemistry · MCQ #19 Question Bank ID #22881
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The number of bonds in oxygen molecules are:
Verified Key (C): One sigma one pi bond
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 06. Aldehydes & Ketones
Card ID #138919 Card 41 of 125 in deck Deck #1741
Front: Can aldehydes and ketones form hydrogen bonds with water molecules?
Back: True (Yes) Mechanism: The carbonyl oxygen acts as a hydrogen bond acceptor for the hydrogen atoms of water. This makes lower members soluble.
Chemistry · MCQ #20 Question Bank ID #22882
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The decreasing order of ionization energy is:
Verified Key (B): F > Cl > Br
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 02. Atomic Structure
Card ID #3209 Card 62 of 115 in deck Deck #22
Front: Define Ionization Energy (IE) .
Back: Energy to Remove an Electron Condition: From 1 mole of gaseous atoms .
Chemistry · MCQ #21 Question Bank ID #22883
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The size of Ar is larger than Cl due to:
Verified Key (B): Inter-electronic repulsion
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 05. Alcohols, Phenols & Ethers
Card ID #3293 Card 31 of 119 in deck Deck #23
Front: Describe the C-O-H bond angle in Methanol .
Back: \(108.9^\circ\) Comparison: Slightly less than the tetrahedral angle (\(109.5^\circ\)) but larger than water (\(104.5^\circ\)) due to the bulky methyl group rep
Chemistry · MCQ #22 Question Bank ID #22884
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which element is lighter than water?
Verified Key (D): K
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 04. Alkyl Halides
Card ID #138751 Card 21 of 148 in deck Deck #1740
Front: Which two classes of alkyl halides are generally lighter (less dense) than water?
Back: Alkyl fluorides and Alkyl chlorides Laboratory Implication: In a separatory funnel, the water layer will be on the bottom, and the R-F or R-Cl layer will float
Chemistry · MCQ #23 Question Bank ID #22885
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following decreases as we move from top to bottom in Group IA or IIA?
Verified Key (A): Metallic bond strength
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 08. Thermochemistry
Card ID #138679 Card 100 of 151 in deck Deck #1739
Front: As you move down Group 1 of the periodic table from LiF to CsF, what happens to the magnitude of the Lattice Energy ?
Back: It Decreases Why? The ionic radius gets larger as you go down the group. Larger ions cannot pack as closely together, weakening the electrostatic attraction.
Chemistry · MCQ #24 Question Bank ID #22886
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which one of the following is the correct order of electronegativity of group II A elements?
Verified Key (C): Ba < Sr < Ca < Mg < Be
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 01. S & P Block Elements
Card ID #114893 Card 9 of 112 in deck Deck #1550
Front: Across short periods, why do melting points peak at Group IVA ?
Back: Maximum number of binding electrons (4) Context: Elements like Carbon and Silicon form strong, 3D giant covalent networks (like diamond), which require immense
Chemistry · MCQ #25 Question Bank ID #22887
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which one of the following is heteroatom?
Verified Key (A): Pyrrole
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 10. Chemical Bonding
Card ID #136032 Card 243 of 252 in deck Deck #1715
Front: Which of the following bonds is likely the most polar ? C-Cl, Si-F, or Se-F?
Back: Si-F Why? Fluorine is the most electronegative element. Silicon is further to the left (less electronegative) than Carbon or Selenium, creating the greatest ele
Chemistry · MCQ #26 Question Bank ID #22888
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The function group of acid amide is:
Verified Key (C): \(-\text{C}(=\text{O})-\text{NH}_2\)
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 08. Macromolecules/Bio-Chemistry
Card ID #130536 Card 20 of 145 in deck Deck #1686
Front: What type of covalent bond connects amino acids to form a Polypeptide ?
Back: Peptide Bond (Amide Linkage) The Connection: It forms via a condensation reaction between the carboxyl group of one amino acid and the amino group of another, r
Chemistry · MCQ #27 Question Bank ID #22889
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] When an alcohol is heated at 170ºC in the presence of sulphuric acid, a water molecule is eliminated resulting in the formation of:
Verified Key (C): Alkene
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 07. Carboxylic Acids
Card ID #139071 Card 68 of 172 in deck Deck #1742
Front: What is the name of the reaction where a carboxylic acid is heated with an alcohol in the presence of concentrated H 2 SO 4 to form an ester ?
Back: Fischer Esterification Reversibility: This acid-catalyzed equilibrium reaction is highly reversible. You must add excess alcohol or remove water to drive it for
Chemistry · MCQ #28 Question Bank ID #22890
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The IUPAC name of following compound is: $$\text{CH}_3-\text{CH}=\text{CH}-(\text{CH}_2)_2-\text{CH}_3$$
Verified Key (A): Hex-2-ene
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 03. Hydrocarbons
Card ID #139234 Card 193 of 259 in deck Deck #17
Front: What three metal oxide catalysts are used to convert n-hexane into benzene at \(500^\circ\text{C}\)?
Back: \(\ce{Cr2O3}\), \(\ce{Al2O3}\), and \(\ce{SiO2}\) Process Name: This conversion is an example of Aromatization (or reforming).
Chemistry · MCQ #29 Question Bank ID #22891
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Most of the reactions shown by alkenes are:
Verified Key (D): Addition reactions
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 07. Carboxylic Acids
Card ID #139066 Card 63 of 172 in deck Deck #1742
Front: Unlike aldehydes and ketones, carboxylic acids typically do not undergo nucleophilic addition reactions. Instead, they commonly undergo what type of reaction?
Back: Nucleophilic Acyl Substitution Mechanism: One nucleophile replaces another on the acyl (\(\ce{C=O}\)) carbon atom, forming acid derivatives (e.g., swapping \(\c
Chemistry · MCQ #30 Question Bank ID #22892
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] What are the conditions required for polymerization of ethene to polyethene?
Verified Key (A): 400ºC and 1000 atm
BeambePrep Pulse Deck Study Card
Deck: Chemistry XI 02. Atomic Structure
Card ID #3151 Card 4 of 115 in deck Deck #22
Front: What are the required conditions (Pressure &amp; Voltage) to produce Cathode Rays ?
Back: Pressure: Very Low (~0.01 mmHg) Voltage: Very High (5,000 - 10,000 V) Why? Low pressure reduces collisions so rays can travel; high voltage rips the electrons l
Chemistry · MCQ #31 Question Bank ID #22893
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The reactivity order of alkyl halide is:
Verified Key (D): R - I > R - Br > R - Cl > R - F
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 05. Alcohols, Phenols & Ethers
Card ID #3304 Card 42 of 119 in deck Deck #23
Front: Reactivity Order of Alcohols when the O-H Bond breaks?
Back: 1° &gt; 2° &gt; 3° Reason: Alkyl groups are electron-donating (+I). More alkyl groups (in 3°) increase electron density on Oxygen, making the O-H bond stronger
Chemistry · MCQ #32 Question Bank ID #22894
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] (CH3)3C-OH is an example of:
Verified Key (C): Tertiary alcohol
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 05. Alcohols, Phenols & Ethers
Card ID #3267 Card 5 of 119 in deck Deck #23
Front: Define a Tertiary Alcohol (3°).
Back: -OH attached to a 3° Carbon Check: The carbon holding the -OH is attached to three other alkyl groups. Example: tert-Butyl alcohol (2-Methyl-2-propanol).
Chemistry · MCQ #33 Question Bank ID #22895
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which one of the following is used in the manufacturing of plastics?
Verified Key (D): Phenol
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 02. Transition Elements
Card ID #115095 Card 99 of 121 in deck Deck #1551
Front: Which transition metal compound is used as a catalyst in the polymerization of ethene to polythene?
Back: Titanium tetrachloride (TiCl 4 ) Context: This is a key component of the famous Ziegler-Natta catalyst system used in modern plastics manufacturing.
Chemistry · MCQ #34 Question Bank ID #22896
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following will give formic acid as one of the product of oxidation?
Verified Key (B): Propanone
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 06. Aldehydes & Ketones
Card ID #138933 Card 55 of 125 in deck Deck #1741
Front: The controlled oxidation of a Primary Alcohol yields which class of carbonyl compound?
Back: Aldehyde Next Step Trap: If a strong oxidizer is used, the aldehyde will further oxidize into a carboxylic acid.
Chemistry · MCQ #35 Question Bank ID #22897
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] What will be the IUPAC name of the given compound? $$\begin{matrix} & \text{CH}_3 & \text{O} \\ & | & || \\ \text{CH}_3-\text{CH}_2- & \text{CH}-\text{CH}- & \text{C}-\text{H} \\ & | & \\ & \text{CH}_2-\text{CH}_3 & \end{matrix}$$
Verified Key (B): 2 - Ethyl - 3 - methyl pentanal
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 06. Aldehydes & Ketones
Card ID #138893 Card 15 of 125 in deck Deck #1741
Front: What is the IUPAC name for the common ketone Ethyl methyl ketone ?
Back: Butanone IUPAC Rule: No number is needed (e.g., 2-butanone is redundant) because there is only one valid internal position for the carbonyl group in a 4-carbon
Chemistry · MCQ #36 Question Bank ID #22898
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] What is the common name of following compound? COOH COOH
Verified Key (C): Phthalic acid
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 02. Transition Elements
Card ID #115068 Card 72 of 121 in deck Deck #1551
Front: When Alkaline Potassium Manganate(VII) / KMnO 4 oxidizes an aromatic hydrocarbon side chain (e.g., a methyl or ethyl group on a benzene ring), what specific com
Back: Benzoic Acid Rule: Regardless of the length of the side chain, prolonged heating oxidizes the entire chain back to a single -COOH group directly attached to the
Chemistry · MCQ #37 Question Bank ID #22899
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Acetic anhydride can be prepared when two molecules of carboxylic acids are dehydrated on heating strongly in the presence of:
Verified Key (B): P2O5
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 07. Carboxylic Acids
Card ID #139070 Card 67 of 172 in deck Deck #1742
Front: What chemical compound acts as a strong dehydrating agent to convert two molecules of a carboxylic acid into an Acid Anhydride upon strong heating?
Back: Phosphorus Pentoxide (P 2 O 5 ) Mechanism: \(\ce{P2O5}\) strips a water molecule (\(\ce{H2O}\)) away from the two acids, fusing them into a diacyl oxide (anhydr
Chemistry · MCQ #38 Question Bank ID #22900
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Carboxylic acid react with metals to form salt with the evolution of which gas?
Verified Key (C): H2
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 05. Alcohols, Phenols & Ethers
Card ID #3334 Card 72 of 119 in deck Deck #23
Front: Ester Formation from Phenol requires what specific reagent?
Back: Acetyl Chloride + Base Difference: Unlike alcohols, Phenols react slowly with Carboxylic Acids. Acid Chlorides/Anhydrides are preferred.
Chemistry · MCQ #39 Question Bank ID #22901
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which protein helps in muscles contractions and relaxation in our body?
Verified Key (A): Myosin
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 08. Macromolecules/Bio-Chemistry
Card ID #130572 Card 56 of 145 in deck Deck #1686
Front: Lactose intolerance is caused by a deficiency in which specific enzyme?
Back: Lactase Consequence: Without it, the body cannot split lactose into glucose and galactose, leading to bacterial fermentation in the gut (cramps, gas, diarrhea).
Chemistry · MCQ #40 Question Bank ID #22902
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Various polypeptide chains in haemoglobin remain intact due to:
Verified Key (C): Salt bridges
BeambePrep Pulse Deck Study Card
Deck: Chemistry XII 08. Macromolecules/Bio-Chemistry
Card ID #130540 Card 24 of 145 in deck Deck #1686
Front: What defines the Tertiary Structure of a protein?
Back: The overall 3D twisting and folding of the chain Structural Fact: This level makes the protein rounded and functional. It is held together by various side-chain
Physics · MCQ #1 Question Bank ID #22903
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The vertical height and horizontal range of projectiles are equal at angle:
Verified Key (C): 76º
BeambePrep Pulse Deck Study Card
Deck: Physics XI 03. Motion & Force
Card ID #3782 Card 47 of 64 in deck Deck #28
Front: Effect of Air Resistance on Projectiles?
Back: Reduces Range. Reduces Max Height. Path is not a perfect parabola.
Physics · MCQ #2 Question Bank ID #22904
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Range of projectile is maximum at:
Verified Key (B): 45º
BeambePrep Pulse Deck Study Card
Deck: Physics XI 03. Motion & Force
Card ID #3799 Card 59 of 64 in deck Deck #28
Front: Projectile Range is maximum at angle [?] .
Back: 45°
Physics · MCQ #3 Question Bank ID #22905
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] A ball is thrown vertically upward, the ball descends towards earth after achieving a certain height because:
Verified Key (C): The earth possesses more inertia
BeambePrep Pulse Deck Study Card
Deck: Physics XI 03. Motion & Force
Card ID #3758 Card 23 of 64 in deck Deck #28
Front: Define Inertia .
Back: Resistance to Change in Motion Analogy: It's harder to push a stalled truck than a bicycle because the truck has more inertia.
Physics · MCQ #4 Question Bank ID #22906
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] A bomb is exploded into two fragments A and B moving in opposite direction. They conserve:
Verified Key (C): Momentum
BeambePrep Pulse Deck Study Card
Deck: Physics XII 01. Electrostatics
Card ID #4952 Card 10 of 120 in deck Deck #42
Front: Identify the relation: \(\vec{F}_{12}\) vs \(\vec{F}_{21}\)
Back: \(\vec{F}_{12} = -\vec{F}_{21}\) Newton's Third Law: Electrostatic forces form an action-reaction pair. They are equal in magnitude but opposite in direction.
Physics · MCQ #5 Question Bank ID #22907
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Work done is negative, when the angle between F and S is:
Verified Key (D): 180º
BeambePrep Pulse Deck Study Card
Deck: Physics XI 04. Work & Energy
Card ID #3849 Card 3 of 60 in deck Deck #29
Front: Calculate Work when there is an angle \(\theta\) between Force and Displacement.
Back: \(W = Fd \cos \theta\) Why Cosine? \(F \cos \theta\) represents the component of the force that is actually pushing the object along its path. The perpendicular
Physics · MCQ #6 Question Bank ID #22908
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] When the speed of the car is doubled, what will be its kinetic energy?
Verified Key (D): Four times
BeambePrep Pulse Deck Study Card
Deck: Physics XII 04. Electromagnetic Induction
Card ID #100450 Card 122 of 136 in deck Deck #1367
Front: If the rotational speed (\(\omega\)) of an AC generator's coil is doubled , what happens to the maximum induced EMF (\(\varepsilon_0\))?
Back: It doubles The Formula: \(\varepsilon_0 = N \omega AB\). Because \(\varepsilon_0\) is directly proportional to \(\omega\), a \(2\times\) speed increase results
Physics · MCQ #7 Question Bank ID #22909
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The work efficiency of a dry cell battery is:
Verified Key (D): 90%
BeambePrep Pulse Deck Study Card
Deck: Physics XI 04. Work & Energy
Card ID #3892 Card 46 of 60 in deck Deck #29
Front: Formula for Efficiency of a machine?
Back: \(\eta = \frac{\text{Work Output}}{\text{Work Input}} \times 100\%\)
Physics · MCQ #8 Question Bank ID #22910
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] When distance r increases than gravitational P.E becomes:
Verified Key (C): Less negative
BeambePrep Pulse Deck Study Card
Deck: Physics XI 07. Waves
Card ID #118178 Card 27 of 52 in deck Deck #1577
Front: Does sound travel faster in moist air or dry air ?
Back: Moist Air Why? Moist air contains \(H_2O\) vapor, which is less dense than the \(N_2\) and \(O_2\) it replaces. Since density (\(\rho\)) decreases, speed (\(v\)
Physics · MCQ #9 Question Bank ID #22911
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] How many Joules are there in 3KWh?
Verified Key (B): 10.8MJ
BeambePrep Pulse Deck Study Card
Deck: Physics XI 04. Work & Energy
Card ID #3871 Card 25 of 60 in deck Deck #29
Front: How many Joules in 1 kWh ?
Back: 3.6 MegaJoules (MJ) Calculation: 1000 W × 3600 s = 3,600,000 J.
Physics · MCQ #10 Question Bank ID #22912
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] A car moving on a more steeply banked curves will require:
Verified Key (B): Large speed and small radii
BeambePrep Pulse Deck Study Card
Deck: Physics XI 04. Work & Energy
Card ID #3867 Card 21 of 60 in deck Deck #29
Front: Express Power in terms of Velocity.
Back: \(P = \vec{F} \cdot \vec{v}\) Scalar Form: \(P = Fv \cos \theta\) Useful for engines moving objects at constant speed.
Physics · MCQ #11 Question Bank ID #22913
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] In a body angular acceleration is produced by:
Verified Key (D): Net torque
BeambePrep Pulse Deck Study Card
Deck: Physics XI 02. Vectors & Equilibrium
Card ID #3957 Card 26 of 63 in deck Deck #30
Front: Define the state of Equilibrium .
Back: Zero Acceleration Implication: Object is either at rest or moving with constant velocity (Linear &amp; Angular).
Physics · MCQ #12 Question Bank ID #22914
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The analogue of force in circular / angular motion is:
Verified Key (B): Torque
BeambePrep Pulse Deck Study Card
Deck: Physics XII 03. Electromagnetism
Card ID #5235 Card 95 of 95 in deck Deck #44
Front: Will a charged particle moving exactly parallel to a uniform magnetic field undergo circular motion?
Back: No Logic Check: Because \(\theta = 0^\circ\), the magnetic force is zero. The particle will continue coasting in a perfectly straight line undeviated.
Physics · MCQ #13 Question Bank ID #22915
Novel / Unmatched
NUMS 2026 Examination Question
[NUMS 2026] 1º is equals to:
Verified Key (B): \pi/180 radians
BeambePrep Pulse Deck
Standard conversion formula.
Physics · MCQ #14 Question Bank ID #22916
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] In uniform circular motion, the angle between centripetal acceleration and linear velocity of a particle is:
Verified Key (A): \pi/2
BeambePrep Pulse Deck Study Card
Deck: Physics XI 08. Oscillations
Card ID #119157 Card 10 of 37 in deck Deck #1587
Front: What is the relationship between SHM and Uniform Circular Motion (UCM)?
Back: The projection (shadow) of an object in UCM onto a diameter executes perfect SHM Derivation Cheat Code: By projecting the circular vectors (radius, velocity, ce
Physics · MCQ #15 Question Bank ID #22917
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The distance between two consecutive nodes are:
Verified Key (B): \lambda/2
BeambePrep Pulse Deck Study Card
Deck: Physics XI 07. Waves
Card ID #118203 Card 52 of 52 in deck Deck #1577
Front: What is the precise distance between two consecutive Nodes ?
Back: \(\frac{\lambda}{2}\) Context: This forms one single "loop" on a stationary wave.
Physics · MCQ #16 Question Bank ID #22918
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] If a sound waves moves from air to water, there is NO change in:
Verified Key (B): Frequency
BeambePrep Pulse Deck Study Card
Deck: Physics XII 05. Alternating Current
Card ID #103221 Card 107 of 118 in deck Deck #1394
Front: List the regions of the Electromagnetic Spectrum in order from Lowest Frequency to Highest Frequency.
Back: Radio Waves Microwaves Infrared Visible Light Ultraviolet X-Rays Gamma Rays Relationship: Since \(c = f\lambda\), this is also the order of Longest wavelength t
Physics · MCQ #17 Question Bank ID #22919
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The star moving closer to earth will experience:
Verified Key (A): Blue shift
BeambePrep Pulse Deck Study Card
Deck: Physics XI 07. Waves
Card ID #118199 Card 48 of 52 in deck Deck #1577
Front: In Astronomy, what does a Blue Shift indicate about a star's movement relative to Earth?
Back: The star is Approaching Mnemonic: B lue = B umping into you (Approaching). Moving closer increases the frequency (compressing wavelength), shifting light toward
Physics · MCQ #18 Question Bank ID #22920
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] If the amplitude of a wave is doubled, its intensity is:
Verified Key (C): Quadrupled
BeambePrep Pulse Deck Study Card
Deck: Physics XI 07. Waves
Card ID #118163 Card 12 of 52 in deck Deck #1577
Front: In a Stationary Wave , how does the amplitude vary among particles?
Back: It varies from 0 (Nodes) to Maximum (Antinodes) Contrast: In a Progressive wave, every single particle eventually reaches the exact same maximum amplitude as th
Physics · MCQ #19 Question Bank ID #22921
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following is an example of first law of thermodynamics?
Verified Key (B): Metabolism
BeambePrep Pulse Deck Study Card
Deck: Physics XI 09. Thermodynamics
Card ID #4029 Card 15 of 83 in deck Deck #31
Front: State the First Law of Thermodynamics.
Back: Heat Added = ΔInternal Energy + Work Done The Concept: Energy you put in (\(\Delta Q\)) is either stored (\(\Delta U\)) or used to push against the world (\(\De
Physics · MCQ #20 Question Bank ID #22922
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Thermos flask containing tea as a system is shaken vigorously then there will be:
Verified Key (C): Increase in temperature & kinetic energy
BeambePrep Pulse Deck Study Card
Deck: Physics XI 04. Work & Energy
Card ID #3852 Card 6 of 60 in deck Deck #29
Front: When is Work considered Positive ?
Back: Force helps Motion Condition: \(0^\circ \le \theta &lt; 90^\circ\). Example: Pushing a lawnmower forward. This increases the system's kinetic energy.
Physics · MCQ #21 Question Bank ID #22923
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] Difference between molar specific heat at constant pressure and molar specific heat at constant volume is equal to:
Verified Key (B): Universal gas constant
BeambePrep Pulse Deck Study Card
Deck: Physics XII 02. Current Electricity
Card ID #5079 Card 17 of 78 in deck Deck #43
Front: What specific type of energy does a Thermocouple convert into electrical energy?
Back: Heat Energy Mechanism: It relies on the Seebeck Effect , where a temperature difference between two dissimilar metals generates an EMF.
Physics · MCQ #22 Question Bank ID #22924
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Coulomb's law of electrostatic induction is valid for:
Verified Key (C): Stationary & point charges
BeambePrep Pulse Deck Study Card
Deck: Physics XII 01. Electrostatics
Card ID #4946 Card 4 of 120 in deck Deck #42
Front: State the mathematical form of Coulomb's Law (Scalar).
Back: \(F = k \frac{q_1 q_2}{r^2}\) Components: \(k\): Coulomb's constant \(q_1, q_2\): Magnitudes of charges \(r\): Distance between centers
Physics · MCQ #23 Question Bank ID #22925
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] If the positive charge is placed in a uniform electric field, the charge will move in the:
Verified Key (B): Direction of electric field
BeambePrep Pulse Deck Study Card
Deck: Physics XII 01. Electrostatics
Card ID #5046 Card 104 of 120 in deck Deck #42
Front: Trajectory of a charge moving Perpendicular to a uniform Electric Field?
Back: Parabolic Dynamics: Similar to projectile motion. Constant velocity in horizontal (x) direction, constant acceleration in vertical (y) direction due to \(F=qE\)
Physics · MCQ #24 Question Bank ID #22926
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] For each element, value of half-life is:
Verified Key (B): Constant
BeambePrep Pulse Deck Study Card
Deck: Physics XII 09. Nuclear Physics
Card ID #139812 Card 56 of 140 in deck Deck #1746
Front: Define the Half-life (T 1/2 ) of a radioactive element.
Back: The time period in which exactly half of the radioactive atoms in a sample decay Context: Because decay is random, we cannot predict the life of a single atom,
Physics · MCQ #25 Question Bank ID #22927
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] The unit of RC is:
Verified Key (C): Second
BeambePrep Pulse Deck Study Card
Deck: Physics XII 01. Electrostatics
Card ID #5020 Card 78 of 120 in deck Deck #42
Front: What is the equivalent unit of \(1 \Omega \times 1 \text{ F}\) ?
Back: 1 Second Proof: Ohm \(= V/I\), Farad \(= Q/V\) \(RC = (V/I) \times (Q/V) = Q/I = t\) (Seconds).
Physics · MCQ #26 Question Bank ID #22928
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The fractional change in resistance per kelvin is known as the temperature coefficient of:
Verified Key (B): Resistance
BeambePrep Pulse Deck Study Card
Deck: Physics XII 02. Current Electricity
Card ID #5100 Card 38 of 78 in deck Deck #43
Front: What physical parameter is defined as the fractional change in resistance per Kelvin ?
Back: Temperature Coefficient of Resistance (α) Formula: \(\alpha = \frac{R_t - R_0}{R_0 \Delta t}\)
Physics · MCQ #27 Question Bank ID #22929
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following is an example of Ohmic in nature?
Verified Key (D): Conductor
BeambePrep Pulse Deck Study Card
Deck: Physics XI 09. Thermodynamics
Card ID #4014 Card 3 of 83 in deck Deck #31
Front: In which direction does Thermal Energy naturally spontaneously transfer?
Back: High Temp → Low Temp Nature's Gradient: Heat always flows "downhill" from the hotter body to the colder body until equilibrium is reached.
Physics · MCQ #28 Question Bank ID #22930
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The material whose resistance decreases with increase in temperature have:
Verified Key (B): Negative temperature coefficient
BeambePrep Pulse Deck Study Card
Deck: Physics XII 02. Current Electricity
Card ID #5099 Card 37 of 78 in deck Deck #43
Front: As temperature rises, does the resistance of Semiconductors and Electrolytes increase or decrease?
Back: Decreases Coefficient: They have a negative temperature coefficient .
Physics · MCQ #29 Question Bank ID #22931
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The number of magnetic field lines passing through unit area is called:
Verified Key (C): Magnetic flux density
BeambePrep Pulse Deck Study Card
Deck: Physics XII 03. Electromagnetism
Card ID #5161 Card 21 of 95 in deck Deck #44
Front: Define Magnetic Flux Density (B) in terms of force on a conductor.
Back: It is the force acting on one metre length of conductor Placed at right angles to the magnetic field When 1 Ampere of current is passing through it. Math Deriva
Physics · MCQ #30 Question Bank ID #22932
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The magnetic force of a charged particle moving in a uniform magnetic fields depends on:
Verified Key (D): Velocity, magnetic field & charge
BeambePrep Pulse Deck Study Card
Deck: Physics XII 03. Electromagnetism
Card ID #5186 Card 46 of 95 in deck Deck #44
Front: When a charged particle is shot perpendicularly into a uniform magnetic field, what shape does its trajectory take?
Back: A Circle Why? The constant magnetic force is always perpendicular to velocity, providing a perfect centripetal force .
Physics · MCQ #31 Question Bank ID #22933
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] The magnetic force acting on a charged particle is maximum when the angle between \(\vec{v}\) and \(\vec{B}\) is:
Verified Key (C): 90º
BeambePrep Pulse Deck Study Card
Deck: Physics XII 03. Electromagnetism
Card ID #5184 Card 44 of 95 in deck Deck #44
Front: What is the Lorentz Force ?
Back: It is the total vector sum of the electric force and magnetic force acting on a moving charge. Context: Occurs when a particle moves through a region containing
Physics · MCQ #32 Question Bank ID #22934
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Generator effect is practical application of:
Verified Key (B): Dynamic e.m.f
BeambePrep Pulse Deck Study Card
Deck: Physics XII 04. Electromagnetic Induction
Card ID #100393 Card 65 of 136 in deck Deck #1367
Front: What physical principle does an Electric Generator rely on to function?
Back: Faraday's Law of Electromagnetic Induction Context: By rotating the coil, the magnetic flux through it constantly changes, inducing a dynamic EMF.
Physics · MCQ #33 Question Bank ID #22935
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] If number of turns of coil becomes double, the induced emf will be:
Verified Key (A): Double
BeambePrep Pulse Deck Study Card
Deck: Physics XII 04. Electromagnetic Induction
Card ID #100396 Card 68 of 136 in deck Deck #1367
Front: What is the formula for the induced EMF ε produced by an AC Generator at any instant of time `\(t\)`?
Back: \(\varepsilon = N \omega A B \sin(\omega t)\) Variables: `\(N\)` = Number of turns `\(\omega\)` = Angular velocity `\(A\)` = Area of coil `\(B\)` = Magnetic Fie
Physics · MCQ #34 Question Bank ID #22936
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Electromagnetic sensor in seismograph converts ground movement into:
Verified Key (B): Electric signals
BeambePrep Pulse Deck Study Card
Deck: Physics XII 04. Electromagnetic Induction
Card ID #100392 Card 64 of 136 in deck Deck #1367
Front: What is the primary function of an Electric Generator ?
Back: Converts mechanical energy into electrical energy Mechanism: You physically spin a coil inside a magnetic field (mechanical), which induces an EMF and creates a
Physics · MCQ #35 Question Bank ID #22937
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] A full wave bridge rectifier consists of:
Verified Key (B): Four diodes
BeambePrep Pulse Deck Study Card
Deck: Physics XII 06. Electronics
Card ID #139378 Card 77 of 157 in deck Deck #1743
Front: Do both diodes in a center-tap full-wave rectifier conduct simultaneously?
Back: No Correction: When diode D 1 is forward biased, diode D 2 is reverse biased. They take turns conducting on alternating half-cycles.
Physics · MCQ #36 Question Bank ID #22938
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] An electrical component used to convert AC into DC is:
Verified Key (C): Diode
BeambePrep Pulse Deck Study Card
Deck: Physics XII 02. Current Electricity
Card ID #5116 Card 54 of 78 in deck Deck #43
Front: What are the three main mathematical formulas used to calculate Electrical Power (\(P\)) dissipated in a resistor?
Back: \(P = VI\) \(P = I^2R\) \(P = \frac{V^2}{R}\) Origin: Derived by substituting \(V = IR\) and \(I = \frac{V}{R}\) into the base equation \(P = VI\).
Physics · MCQ #37 Question Bank ID #22939
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] A photon has:
Verified Key (C): Zero mass, finite momentum
BeambePrep Pulse Deck Study Card
Deck: Physics XI 03. Motion & Force
Card ID #3762 Card 27 of 64 in deck Deck #28
Front: Define Linear Momentum (p).
Back: \(p = mv\) Nature: Vector Quantity (Mass × Velocity).
Physics · MCQ #38 Question Bank ID #22940
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Photo-conductive devices like photo cells and solar cells are application of:
Verified Key (A): Photo electric effect
BeambePrep Pulse Deck Study Card
Deck: Physics XII 07. Modern Physics
Card ID #139545 Card 87 of 136 in deck Deck #1744
Front: Which experimental phenomenon definitively proved the corpuscular (particle) nature of light?
Back: The Photoelectric Effect The Breakthrough: It could only be explained by assuming light consists of indivisible discrete packets (photons) colliding like billia
Physics · MCQ #39 Question Bank ID #22941
Conceptual Hit
NUMS 2026 Examination Question
[NUMS 2026] Which of the following particle has smaller De Broglie wave length?
Verified Key (D): Alpha particle
BeambePrep Pulse Deck Study Card
Deck: Physics XII 05. Alternating Current
Card ID #103155 Card 41 of 118 in deck Deck #1394
Front: What does the projection of a rotating phasor onto the Y-axis represent?
Back: The instantaneous value of the sinusoidal wave Math Proof: If the phasor length is \(V_0\) and angle is \(\theta\), the vertical projection is exactly \(V_0 \si
Physics · MCQ #40 Question Bank ID #22942
Direct Hit
NUMS 2026 Examination Question
[NUMS 2026] In the spectrum of hydrogen atom which of the following series has smallest wavelength?
Verified Key (C): Lyman series
BeambePrep Pulse Deck Study Card
Deck: Physics XII 08. Atomic Spectra
Card ID #139610 Card 16 of 162 in deck Deck #1745
Front: In which region of the electromagnetic spectrum does the Lyman series lie?
Back: Ultraviolet (UV) Region Context: These transitions end at n=1, producing the highest energy (shortest wavelength) photons in hydrogen.
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