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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
49 / 55 (89.1%)
35 Direct · 6 Gaps
Chemistry
33 / 40 (82.5%)
23 Direct · 7 Gaps
Physics
39 / 40 (97.5%)
21 Direct · 1 Gaps
Biology · MCQ #1 Question Bank ID #22801
Direct Hit
NUMS 2026 Examination Question
Identify the type of glycoprotein, responsible for cell fusion process in HIV cycle:
Verified Key (B): gp 41
BeambePrep Pulse Deck Study Card
Card ID #1185 Card 59 of 181 in deck Deck #8
Front:
Which HIV glycoprotein is responsible for Cell Fusion?
Back:
gp41
(Transmembrane protein)
Biology · MCQ #2 Question Bank ID #22802
Direct Hit
NUMS 2026 Examination Question
Which of the following enzymes converts mRNA to complementary DNA (cDNA)?
Verified Key (B): Reverse transcriptase
BeambePrep Pulse Deck Study Card
Card ID #155306 Card 366 of 514 in deck Deck #1820
Front:
Which viral enzyme synthesizes complementary DNA (cDNA) from an RNA template?
Back:
Reverse transcriptase (RNA-dependent DNA polymerase)

Explanation:
Retroviruses like HIV utilize reverse transcriptase to transcribe their genomic RNA into double-stranded viral DNA for integration into host chromosomes.
Biology · MCQ #3 Question Bank ID #22803
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #149685 Card 106 of 151 in deck Deck #1792
Front:
Who developed the first vaccine against smallpox?
Back:
Edward Jenner

Method:
Inoculated a boy with cowpox virus to confer immunity against smallpox.
Biology · MCQ #4 Question Bank ID #22804
Direct Hit
NUMS 2026 Examination Question
Adenovirus are classified as:
Verified Key (B): Polyhedral capsid
BeambePrep Pulse Deck Study Card
Card ID #148378 Card 39 of 384 in deck Deck #1789
Front:
The shape of Adenovirus is:
Back:
Polyhedron shape

Explanation
Adenoviruses exhibit an icosahedral (polyhedral) capsid geometry characterized by 20 triangular faces.
Biology · MCQ #5 Question Bank ID #22805
Conceptual Hit
NUMS 2026 Examination Question
If a person is doing strenuous exercise, how many ATPs are produced by cellular respiration?
Verified Key (A): 2 ATPs
BeambePrep Pulse Deck
Card ID #6035 Deck #54
Front:
During Anaerobic Respiration (Fermentation), the cell relies entirely on which specific metabolic pathway to produce ATP?
Back:
Glycolysis

The Limitation:
Because the Krebs Cycle and ETC are shut down without oxygen, the cell can only extract the meager 2 ATP produced during glycolysis.
Biology · MCQ #6 Question Bank ID #22806
Direct Hit
NUMS 2026 Examination Question
The end product of non-cyclic electron pathway is:
Verified Key (A): ATP and NADPH
BeambePrep Pulse Deck Study Card
Card ID #154541 Card 85 of 249 in deck Deck #1822
Front:
What are the two energy-rich chemical end products generated by the light-dependent reactions of photosynthesis?
Back:
ATP and NADPH

Explanation:
Non-cyclic photophosphorylation utilizes light energy to generate ATP and NADPH, which are consumed in the Calvin cycle.
Biology · MCQ #7 Question Bank ID #22807
Direct Hit
NUMS 2026 Examination Question
Pyruvic acid is converted into acetaldehyde through which step?
Verified Key (A): Decarboxylation
BeambePrep Pulse Deck Study Card
Card ID #5863 Card 23 of 153 in deck Deck #54
Front:
In Alcoholic Fermentation, Pyruvate is first decarboxylated (loses CO2) into what 2-carbon intermediate?
Back:
Acetaldehyde

Yeast Magic:
This released CO2 is what makes bread dough rise and gives beer its carbonation.
Biology · MCQ #8 Question Bank ID #22808
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #5970 Deck #54
Front:
Identify the specific cytochromes present within Complex III of the respiratory ETC.
Back:
  • 1. Cytochrome b
  • 2. Cytochrome c1

Alias:
This is why it is also formally called the Cytochrome bc1 Complex. It also contains FeS clusters.
Biology · MCQ #9 Question Bank ID #22809
Direct Hit
NUMS 2026 Examination Question
Pumping movement of protons occur from:
Verified Key (B): Matrix of mitochondria and mitochondrial intermembrane space
BeambePrep Pulse Deck Study Card
Card ID #5917 Card 58 of 153 in deck Deck #54
Front:
During respiratory chemiosmosis, the ETC pumps protons (H+) from the Mitochondrial Matrix into the [?].
Back:
Intermembrane Space

The Battery:
This creates a massive electrochemical gradient. The protons want to rush back into the matrix, but they can only do so by passing through the turbine of ATP Synthase.
Biology · MCQ #10 Question Bank ID #22810
Direct Hit
NUMS 2026 Examination Question
Net product of Krebs cycle is:
Verified Key (C): 4CO2, 2ATP, 6NADH, 2FADH2
BeambePrep Pulse Deck
Card ID #5991 Deck #54
Front:
Calculate the Total Yield of NADH, FADH2, and ATP produced purely from the Krebs cycle per exactly ONE molecule of Glucose.
Back:
  • 6 NADH
  • 2 FADH2
  • 2 ATP

The Multiplier:
Remember that one glucose splits into TWO pyruvates. Therefore, the Krebs cycle turns TWICE for every one glucose molecule.
Biology · MCQ #11 Question Bank ID #22811
Direct Hit
NUMS 2026 Examination Question
The electron carrier of mitochondria are found in:
Verified Key (D): Inner mitochondrial membrane
BeambePrep Pulse Deck Study Card
Card ID #5903 Card 44 of 153 in deck Deck #54
Front:
Where exactly in the cell does the respiratory Electron Transport Chain (ETC) reside?
Back:
Inner Mitochondrial Membrane (Cristae)

Structure to Function:
The heavy folding of the cristae provides massive surface area to pack in as many ETC complexes and ATP Synthase molecules as possible.
Biology · MCQ #12 Question Bank ID #22812
Direct Hit
NUMS 2026 Examination Question
Which one of the following is a monosaccharide?
Verified Key (D): Fructose
BeambePrep Pulse Deck Study Card
Card ID #155080 Card 142 of 514 in deck Deck #1820
Front:
Which hexose carbohydrate is classified as a monosaccharide, not a disaccharide?
Back:
Fructose (or Glucose / Galactose)

Explanation:
Fructose is a single-unit ketohexose monosaccharide, whereas maltose, lactose, and sucrose are two-unit disaccharides.
Biology · MCQ #13 Question Bank ID #22813
Direct Hit
NUMS 2026 Examination Question
What is percentage of water in brain cells?
Verified Key (C): 85%
BeambePrep Pulse Deck
Card ID #154784 Deck #1821
Front:
Approximately what percentage of total body mass in living organisms is comprised of water?
Back:
70% to 90%

Explanation:
Water is the universal biological solvent, constituting \(70\%\text{ to }90\%\) of cellular weight in typical active organisms (e.g., \(85\%\) in human brain cells, \(20\%\) in bone cells).
Biology · MCQ #14 Question Bank ID #22814
Conceptual Hit
NUMS 2026 Examination Question
Proportion of carbohydrate in bacterial and mammalian cell is:
Verified Key (B): 3%, 4%
BeambePrep Pulse Deck
Card ID #344 Deck #4
Front:
Mnemonic for Cell Components Abundance:
Back:
Water Proof New Car Li
(Water, Protein, Nucleic, Carb, Lipid, Ions)
Biology · MCQ #15 Question Bank ID #22815
Direct Hit
NUMS 2026 Examination Question
Water has very high heat capacity due to its:
Verified Key (B): Hydrogen bonding
BeambePrep Pulse Deck Study Card
Card ID #148683 Card 3 of 384 in deck Deck #1789
Front:
The high specific heat capacity of water is primarily due to what type of interaction?
Back:
Hydrogen bonding

Biochemistry
Extensive network of hydrogen bonds between water molecules absorbs significant thermal energy before breaking, regulating temperature changes.
Biology · MCQ #16 Question Bank ID #22816
Direct Hit
NUMS 2026 Examination Question
Which one of the following biomolecule is involved in the transport of oxygen?
Verified Key (A): Protein
BeambePrep Pulse Deck Study Card
Card ID #155070 Card 132 of 514 in deck Deck #1820
Front:
Which structural protein category provides mechanical support rather than oxygen transport?
Back:
Fibrous proteins (e.g., collagen, keratin)

Explanation:
Fibrous proteins provide structural tensile strength (collagen) and protection (keratin), whereas globular proteins (hemoglobin) perform dynamic transport.
Biology · MCQ #17 Question Bank ID #22817
Direct Hit
NUMS 2026 Examination Question
Which is the second most abundant organic molecule on earth?
Verified Key (D): Chitin
BeambePrep Pulse Deck Study Card
Card ID #120 Card 118 of 338 in deck Deck #4
Front:
What is the second most abundant carbohydrate?
Back:
Chitin

Biology · MCQ #18 Question Bank ID #22818
Direct Hit
NUMS 2026 Examination Question
Glycerol reacts with fatty acids to produce:
Verified Key (C): Acyl glycerol
BeambePrep Pulse Deck Study Card
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 #22819
Direct Hit
NUMS 2026 Examination Question
During cell wall formation absence of magnesium results in:
Verified Key (C): Lack of middle lamella
BeambePrep Pulse Deck Study Card
Card ID #149196 Card 445 of 505 in deck Deck #1790
Front:
What specific chemical compounds primarily compose the middle lamella of plant cell walls?
Back:
Pectins (specifically calcium and magnesium pectates)

Explanation
The middle lamella is the outermost layer of the cell wall that acts as a glue to cement adjacent plant cells together.
Biology · MCQ #20 Question Bank ID #22820
Conceptual Hit
NUMS 2026 Examination Question
Identify the mismatch in the following:
Verified Key (C): Mitochondria - deamination
BeambePrep Pulse Deck
Card ID #471 Deck #5
Front:
What is the primary function of Mitochondria?
Back:
Cellular Respiration (ATP)

Biology · MCQ #21 Question Bank ID #22821
Direct Hit
NUMS 2026 Examination Question
Which organelle will increase in number, in muscles of athlete?
Verified Key (A): Mitochondria
BeambePrep Pulse Deck Study Card
Card ID #148611 Card 260 of 384 in deck Deck #1789
Front:
An active athlete has increased running stamina. Which cellular organelle has greatly increased in number within the athlete's muscle cells?
Back:
Mitochondria

Explanation
Endurance training stimulates mitochondrial biogenesis, meaning more mitochondria are available to produce ATP through aerobic respiration.
Biology · MCQ #22 Question Bank ID #22822
Direct Hit
NUMS 2026 Examination Question
In secretory cells which pathway is followed for the transport of material?
Verified Key (C): RER -> SER -> golgi complex
BeambePrep Pulse Deck Study Card
Card ID #148999 Card 248 of 505 in deck Deck #1790
Front:
What is the precise intracellular secretory pathway that the inactive digestive proenzyme pepsinogen follows, starting from its synthesis to its final exocytosis from the zymogen chief cell?
Back:
  • Rough Endoplasmic Reticulum (RER)
  • Smooth Endoplasmic Reticulum (SER)
  • Golgi complex
  • Secretory vesicles

Explanation
Pepsinogen is translated by ribosomes on the RER, transported through the SER to the Golgi for modification and packaging, and finally stored in zymogen granules (vesicles) until a nervous/hormonal signal triggers exocytosis.
Biology · MCQ #23 Question Bank ID #22823
Coverage Gap
NUMS 2026 Examination Question
How many number of chromosomes are present in onion?
Verified Key (A): 16
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (16).
Allium cepa (onion) chromosome count 2n=16
Biology · MCQ #24 Question Bank ID #22824
Direct Hit
NUMS 2026 Examination Question
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
Card ID #154951 Card 13 of 514 in deck Deck #1820
Front:
What is the primary post-translational function of the Golgi apparatus?
Back:
Modification of proteins and lipids

Explanation:
The Golgi apparatus chemically modifies molecules by glycosylation to form glycoproteins and glycolipids, followed by packaging and sorting.
Biology · MCQ #25 Question Bank ID #22825
Direct Hit
NUMS 2026 Examination Question
Where modification and packaging occur in secretary cells?
Verified Key (A): Golgi apparatus
BeambePrep Pulse Deck Study Card
Card ID #149256 Card 505 of 505 in deck Deck #1790
Front:
What is the primary cellular function of the Golgi complex?
Back:
The modification, processing, and packaging of cell secretions.

Explanation
It receives transport vesicles from the Endoplasmic Reticulum, modifies their protein and lipid contents (e.g., via glycosylation), and dispatches them in secretory vesicles.
Biology · MCQ #26 Question Bank ID #22826
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #101486 Card 54 of 231 in deck Deck #1369
Front:
Where are the specific osmoreceptors that monitor blood solute concentration located?
Back:
In the Hypothalamus

Action:
When they detect high solute concentration (water loss), they trigger nerve impulses to the posterior pituitary to release ADH.
Biology · MCQ #27 Question Bank ID #22827
Direct Hit
NUMS 2026 Examination Question
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
Card ID #148575 Card 224 of 384 in deck Deck #1789
Front:
Which part of the brain contains central chemoreceptors that monitor CO2 levels in the blood?
Back:
Medulla oblongata

Explanation
The medulla oblongata contains the respiratory center, which adjusts breathing rate by detecting changes in blood pH caused by varying CO2 levels.
Biology · MCQ #28 Question Bank ID #22828
Direct Hit
NUMS 2026 Examination Question
The cerebrospinal fluid (CSF) is present between:
Verified Key (B): Arachnoid matter & Pia matter
BeambePrep Pulse Deck Study Card
Card ID #101781 Card 108 of 297 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 #22829
Conceptual Hit
NUMS 2026 Examination Question
What is the role of growth hormone after adolescence?
Verified Key (A): Promotes protein synthesis
BeambePrep Pulse Deck Study Card
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 and skeleton growth.
Biology · MCQ #30 Question Bank ID #22830
Direct Hit
NUMS 2026 Examination Question
Which of the following is correct function of calcitonin?
Verified Key (B): Inhibits Ca+2 absorption by intestine
BeambePrep Pulse Deck Study Card
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 Ca2+ absorption.
  • 2. Kidneys: Decreases Ca2+ reabsorption (allowing excretion in urine).

Dual Action:
Alongside promoting calcium deposition into bones, it aggressively blocks calcium from entering the bloodstream from food or kidney filtrate.
Biology · MCQ #31 Question Bank ID #22831
Direct Hit
NUMS 2026 Examination Question
What is secreted when the levels of blood glucose get too low?
Verified Key (B): Glucagon
BeambePrep Pulse Deck Study Card
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 #22832
Direct Hit
NUMS 2026 Examination Question
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
Card ID #148704 Card 330 of 384 in deck Deck #1789
Front:
What is the correct sequential pathway of a neural impulse traveling through a standard reflex arc?
Back:
Receptor → sensory neuron → associative neuron → motor neuron → effector

Neurology
A stimulus is detected by a receptor, sent via a sensory neuron to the CNS (associative neuron), and then relayed via a motor neuron to an effector (muscle or gland).
Biology · MCQ #33 Question Bank ID #22833
Coverage Gap
NUMS 2026 Examination Question
Identify the animals having both mammalian and reptilian features:
Verified Key (B): Spiny ant eater
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (Spiny ant eater).
Spiny anteater (Echidna) prototherian monotreme transition
Biology · MCQ #34 Question Bank ID #22834
Direct Hit
NUMS 2026 Examination Question
An enzyme which requires a cofactor to become active is called:
Verified Key (A): Apoenzyme
BeambePrep Pulse Deck Study Card
Card ID #155082 Card 144 of 514 in deck Deck #1820
Front:
What is the inactive protein-only portion of an enzyme lacking its cofactor called?
Back:
Apoenzyme

Explanation:
An apoenzyme is the catalytically inactive polypeptide chain that requires binding of its specific cofactor or coenzyme to form the active holoenzyme.
Biology · MCQ #35 Question Bank ID #22835
Conceptual Hit
NUMS 2026 Examination Question
Which statement best describes competitive inhibitors?
Verified Key (C): Prevent enzyme product complex
BeambePrep Pulse Deck
Card ID #629 Deck #6
Front:
Describe Competitive Inhibition.
Back:
Inhibitor mimics Substrate

Mechanism:

Binds to the Active Site, competing with the substrate.
Biology · MCQ #36 Question Bank ID #22836
Coverage Gap
NUMS 2026 Examination Question
Due to snake bite a person's heart stops working. Which type of venom will be found in his body?
Verified Key (A): Hemotoxic
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (Hemotoxic).
Hemotoxic vs neurotoxic snake venom classification
Biology · MCQ #37 Question Bank ID #22837
Direct Hit
NUMS 2026 Examination Question
Identify the enzyme which shows absolute specificity:
Verified Key (C): Urease
BeambePrep Pulse Deck Study Card
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 #22838
Coverage Gap
NUMS 2026 Examination Question
Some industries are continuously polluting aquatic bodies. This can affect metabolic pathway of plants by changing their pH:
Verified Key (B): More acidic
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (More acidic).
Aquatic pollution plant pH shift to more acidic
Biology · MCQ #39 Question Bank ID #22839
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #5645 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 plan modified for different environments).
Biology · MCQ #40 Question Bank ID #22840
Conceptual Hit
NUMS 2026 Examination Question
Barriers which effect geographical distribution of life are:
Verified Key (D): Physical, Ecological or Environmental
BeambePrep Pulse Deck
Card ID #5637 Deck #53
Front:
What evolutionary evidence involves the study of the geographical distribution of species?
Back:
Biogeography

The Island Rule:
Islands often have endemic species that are closely related to the species on the nearest mainland (e.g., Galapagos Finches related to South American Finches).
Biology · MCQ #41 Question Bank ID #22841
Direct Hit
NUMS 2026 Examination Question
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
Card ID #105527 Card 126 of 277 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 #22842
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #5735 Deck #53
Front:
What evolutionary phenomenon occurs when a population's size is severely and suddenly reduced (e.g., by a disaster), causing drastic changes in gene frequencies?
Back:
The Bottleneck Effect

The Consequence:
It is a severe form of Genetic Drift. The survivors' genes may not represent the original population, leading to distinct, rapid evolutionary changes if they recover.
Biology · MCQ #43 Question Bank ID #22843
Conceptual Hit
NUMS 2026 Examination Question
Which of these correctly order the structure of arteries?
Verified Key (A): Connective tissues -> Smooth muscle -> Elastic tissue -> Endothelium
BeambePrep Pulse Deck
Card ID #1810 Deck #12
Front:
List the 3 layers (Tunics) of a blood vessel from Outer to Inner.
Back:
1. Tunica Adventitia (Externa)
2. Tunica Media
3. Tunica Intima

Biology · MCQ #44 Question Bank ID #22844
Coverage Gap
NUMS 2026 Examination Question
Epidermis is outer most layer of the skin, which is composed of:
Verified Key (B): Tightly packed cells
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (Tightly packed cells).
Specific histological feature of epidermis (tightly packed cells) not indexed
Biology · MCQ #45 Question Bank ID #22845
Direct Hit
NUMS 2026 Examination Question
Which type of muscle controls the movement of substance through hollow organs?
Verified Key (B): Smooth muscles
BeambePrep Pulse Deck Study Card
Card ID #102560 Card 108 of 184 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 internal tubes.
Biology · MCQ #46 Question Bank ID #22846
Direct Hit
NUMS 2026 Examination Question
Smallest contractile unit of muscle fibers present between two lines is known as:
Verified Key (C): Sarcomere
BeambePrep Pulse Deck Study Card
Card ID #102580 Card 128 of 184 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 #22847
Direct Hit
NUMS 2026 Examination Question
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
Card ID #102597 Card 145 of 184 in deck Deck #1378
Front:
To initiate a contraction, what specific ion floods into the sarcoplasm to unlock the binding sites?
Back:
Calcium Ions (\(Ca^{2+}\))

The Trigger:
Calcium acts as the key to unlock the Tropomyosin blockade.
Biology · MCQ #48 Question Bank ID #22848
Direct Hit
NUMS 2026 Examination Question
During muscle contraction which type of events occurs respectively?
Verified Key (C): I band shorten -> H-zone disappears
BeambePrep Pulse Deck Study Card
Card ID #148824 Card 73 of 505 in deck Deck #1790
Front:
According to the sliding filament model, what physically happens to the Z-lines, I-bands, and H-zones of a sarcomere during a full skeletal muscle contraction?
Back:
  • Z-lines: Move closer together
  • I-bands: Shorten (narrow)
  • H-zones: Completely disappear

Explanation
The A-band (myosin thick filaments) remains exactly the same length during contraction, while the actin filaments slide inward, effectively closing the H-zone and shrinking the I-band.
Biology · MCQ #49 Question Bank ID #22849
Coverage Gap
NUMS 2026 Examination Question
Which one of the following organism is responsible for transforming nitrogen gas into ammonium?
Verified Key (C): Rhizobium
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (Rhizobium).
Rhizobium nitrogen fixation to ammonium conversion specific bacteria
Biology · MCQ #50 Question Bank ID #22850
Conceptual Hit
NUMS 2026 Examination Question
Identify one of the following chemo-therapeutic agent used to control bacterial infections:
Verified Key (A): Nitrofurans
BeambePrep Pulse Deck
Card ID #154954 Deck #1820
Front:
What is the medical classification of penicillin?
Back:
Antibacterial chemotherapeutic agent

Explanation:
Penicillin is a beta-lactam antibiotic that selectively blocks bacterial peptidoglycan cell wall synthesis.
Exam Trap:
Phenol and alcohol are general antiseptics/disinfectants, not selective internal chemotherapeutics.
Biology · MCQ #51 Question Bank ID #22851
Direct Hit
NUMS 2026 Examination Question
Why male gonads are present outside the body?
Verified Key (C): They need 2ºC temperature less than human body
BeambePrep Pulse Deck Study Card
Card ID #148398 Card 57 of 384 in deck Deck #1789
Front:
Which part of the male reproductive system maintains the proper temperature for sperm production?
Back:
Scrotum

Explanation
The scrotum suspends the testes outside the body cavity, keeping them slightly cooler than core body temperature, which is essential for viable spermatogenesis.
Biology · MCQ #52 Question Bank ID #22852
Direct Hit
NUMS 2026 Examination Question
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
Card ID #4632 Card 27 of 118 in deck Deck #37
Front:
What is the direct cause of Menstruation (bleeding)?
Back:
Drop in Progesterone

Chain Reaction:
No fertilization -> Corpus Luteum degenerates -> Progesterone falls -> Endometrium breaks down.
Biology · MCQ #53 Question Bank ID #22853
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #1649 Deck #10
Front:
What is the Chloride Shift?
Back:
HCO3- out, Cl- in
(To maintain electrical neutrality in RBC)
Biology · MCQ #54 Question Bank ID #22854
Direct Hit
NUMS 2026 Examination Question
Which set of digestive enzymes play a vital role in breakdown of protein?
Verified Key (C): Pepsin, trypsin, erepsin
BeambePrep Pulse Deck
Card ID #149012 Deck #1790
Front:
While zymogens like pepsinogen and trypsinogen require strict enzymatic cleavage to become active, which specialized brush-border enzyme of the small intestine functions immediately without needing a separate regulatory activation step?
Back:
Erepsin (a mixture of peptidases)

Explanation
Erepsin is secreted by the intestinal mucosa in its fully active form to perform the final stages of protein digestion, cleanly breaking down small peptides into individual, absorbable amino acids.
Biology · MCQ #55 Question Bank ID #22855
Direct Hit
NUMS 2026 Examination Question
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
Card ID #105577 Card 174 of 277 in deck Deck #1436
Front:
In epistasis, the gene that is suppressed or masked is called the [?] gene.
Back:
Hypostatic

Contrast:
The gene that does the masking is the Epistatic gene.
Chemistry · MCQ #1 Question Bank ID #22856
Direct Hit
NUMS 2026 Examination Question
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
Card ID #2640 Card 2 of 35 in deck Deck #16
Front:
What is the numerical value of Avogadro's Number (\(N_A\))?
Back:
\(6.022 \times 10^{23}\) particles/mol

Scale Perspective:
This number is incredibly huge. If you had a mole of marbles, they would cover the entire Earth to a depth of several miles. It bridges the gap between the atomic scale and the human scale.
Chemistry · MCQ #2 Question Bank ID #22857
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #3222 Card 5 of 105 in deck Deck #22
Front:
Canal Rays e/m ratio is dependent on the [?].
Back:
Gas used
Chemistry · MCQ #3 Question Bank ID #22858
Conceptual Hit
NUMS 2026 Examination Question
Select the correct increasing energy order of orbitals?
Verified Key (A): 4s < 3d < 4p < 5s
BeambePrep Pulse Deck Study Card
Card ID #3193 Card 54 of 105 in deck Deck #22
Front:
What is the (n+l) Rule?
Back:
Energy Ranking

Logic:
1. Lower (n+l) = Lower Energy.
2. If (n+l) is equal, lower n = Lower Energy.
Chemistry · MCQ #4 Question Bank ID #22859
Direct Hit
NUMS 2026 Examination Question
Which of the following expressions represent Boyle's law?
Verified Key (D): P1V1 = P2V2
BeambePrep Pulse Deck Study Card
Card ID #2811 Card 10 of 153 in deck Deck #18
Front:
What is the mathematical expression for Boyle's Law for a gas changing states?
Back:
\(P_1V_1 = P_2V_2\)

Meaning:
The product of Pressure and Volume is constant (\(PV = k\)). If one doubles, the other must halve.
Chemistry · MCQ #5 Question Bank ID #22860
Direct Hit
NUMS 2026 Examination Question
Which Celsius temperature represents zero kelvin or absolute zero?
Verified Key (C): -273.16ºC
BeambePrep Pulse Deck Study Card
Card ID #3030 Card 1 of 63 in deck Deck #19
Front:
Absolute Zero in F / C / K?
Back:
-459°F / -273.16°C / 0 K
Chemistry · MCQ #6 Question Bank ID #22861
Direct Hit
NUMS 2026 Examination Question
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
Card ID #3013 Card 30 of 63 in deck Deck #19
Front:
How does External Pressure affect Boiling Point?
Back:
Direct Relationship

Example:
High pressure (Pressure Cooker) = High BP.
Low pressure (Mount Everest) = Low BP.
Chemistry · MCQ #7 Question Bank ID #22862
Conceptual Hit
NUMS 2026 Examination Question
Fluorine is a gas and Iodine is a solid at room temperature due to:
Verified Key (C): High polarizability
BeambePrep Pulse Deck
Card ID #136026 Deck #1715
Front:
What is the relationship between atomic size and the strength of London Dispersion Forces (Induced Dipoles)?
Back:
Larger size = Stronger dispersion forces

Example:
This is why I2 is a solid at room temp while F2 is a gas. Iodine is massive, so its electron cloud "sloshes" around much more easily to create powerful induced dipoles.
Chemistry · MCQ #8 Question Bank ID #22863
Direct Hit
NUMS 2026 Examination Question
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
Card ID #3596 Card 44 of 74 in deck Deck #20
Front:
Properties of Ionic Solids?
Back:
  • Hard & Brittle.
  • High MP/BP.
  • Conductors only when molten/dissolved.
Chemistry · MCQ #9 Question Bank ID #22864
Coverage Gap
NUMS 2026 Examination Question
If 10% urea is present in aqueous solution of sodium chloride, what will be the shape of crystals obtained?
Verified Key (A): Octahedral
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (Octahedral).
PTB Chemistry Ch 4 Crystal Habit: Normal habit of NaCl is cubic; presence of 10% urea alters crystal habit to octahedral. Deck covers normal cubic habit (Card 3618) but lacks the 10% urea habit alteration.
Chemistry · MCQ #10 Question Bank ID #22865
Direct Hit
NUMS 2026 Examination Question
Kc = Kp when delta n is equal to:
Verified Key (A): Zero
BeambePrep Pulse Deck
Card ID #3085 Deck #21
Front:
When does Kp = Kc?
Back:
When \(\Delta n = 0\)

Math Check:
If \(\Delta n = 0\), then \((RT)^0 = 1\).
So \(K_p = K_c \times 1\).
Chemistry · MCQ #11 Question Bank ID #22866
Direct Hit
NUMS 2026 Examination Question
The pH of human blood is maintained at:
Verified Key (D): 7.35
BeambePrep Pulse Deck Study Card
Card ID #4914 Card 58 of 86 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 #22867
Direct Hit
NUMS 2026 Examination Question
The unit of rate constant is same as the rate of reaction in:
Verified Key (D): Zero order reaction
BeambePrep Pulse Deck Study Card
Card ID #138497 Card 49 of 131 in deck Deck #1738
Front:
What are the units of the rate constant (\(k\)) for a Zero Order reaction?
Back:
mol dm-3 s-1

Why?
Since Rate = \(k[A]^0\), then Rate = \(k\). Therefore, the units of \(k\) are identical to the standard units for the rate of reaction.
Chemistry · MCQ #13 Question Bank ID #22868
Direct Hit
NUMS 2026 Examination Question
Which of the following represents Arrhenius constant expression?
Verified Key (B): K = Ae^(-Ea/RT)
BeambePrep Pulse Deck Study Card
Card ID #138568 Card 120 of 131 in deck Deck #1738
Front:
In the Arrhenius Equation \(k = A e^{-E_a/RT}\), what does the variable \(R\) represent?
Back:
The Universal Gas Constant

Value Context:
Typically used as 8.314 J K-1 mol-1 when Activation Energy (Ea) is measured in Joules.
Chemistry · MCQ #14 Question Bank ID #22869
Direct Hit
NUMS 2026 Examination Question
Which expression is according to the Hess's law?
Verified Key (A): \sum \Delta H (\text{cycle}) = 0
BeambePrep Pulse Deck Study Card
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 #22870
Direct Hit
NUMS 2026 Examination Question
Which of the following represents the expression of internal energy?
Verified Key (B): \Delta E = q + w
BeambePrep Pulse Deck Study Card
Card ID #138602 Card 23 of 151 in deck Deck #1739
Front:
Write the exact mathematical equation for the First Law of Thermodynamics relating Internal Energy (\(\Delta E\)), heat (\(q\)), and work (\(w\)).
Back:
\(\Delta E = q + w\)

Breakdown:
The change in a system's internal energy (\(\Delta E\)) is equal to the heat added to it (\(q\)) plus the work done on it (\(w\)).
Chemistry · MCQ #16 Question Bank ID #22871
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #3485 Deck #25
Front:
Balancing Redox (Acidic Medium): How do you balance Hydrogen atoms?
Back:
Add Protons (\(\ce{H^+}\))

Rule:
After balancing Oxygen with water, balance the resulting Hydrogen imbalance by adding \(\ce{H^+}\) ions to the opposite side.
Chemistry · MCQ #17 Question Bank ID #22872
Direct Hit
NUMS 2026 Examination Question
The oxidation state of Mn in KMnO4 is:
Verified Key (C): +7
BeambePrep Pulse Deck
Card ID #115047 Deck #1551
Front:
What is the oxidation state of Manganese (Mn) in \(\text{KMnO}_4\)?
Back:
+7

Context:
This is the maximum possible oxidation state for Manganese.
Chemistry · MCQ #18 Question Bank ID #22873
Direct Hit
NUMS 2026 Examination Question
When atoms approaches each other for chemical bond formation, it leads to:
Verified Key (A): Decrease in energy
BeambePrep Pulse Deck
Card ID #136003 Deck #1715
Front:
What happens to the energy of a system when two atoms successfully overlap their orbitals to form a covalent bond?
Back:
The energy decreases (reaches a minimum)

Significance:
This drop in energy is what makes the bonded state more stable than the independent atomic state.
Chemistry · MCQ #19 Question Bank ID #22874
Conceptual Hit
NUMS 2026 Examination Question
The number of bonds in oxygen molecules are:
Verified Key (C): One sigma one pi bond
BeambePrep Pulse Deck
Card ID #135853 Deck #1715
Front:
A double covalent bond consists of which specific types of bonds?
Back:
1 Sigma (\(\sigma\)) and 1 Pi (\(\pi\)) bond

Example:
The C=C bond in Ethene.
Chemistry · MCQ #20 Question Bank ID #22875
Conceptual Hit
NUMS 2026 Examination Question
The decreasing order of ionization energy is:
Verified Key (B): F > Cl > Br
BeambePrep Pulse Deck
Card ID #3239 Deck #22
Front:
Three factors affecting Ionization Energy?
Back:
  • Nuclear Charge (Z).
  • Atomic Radius (Distance).
  • Shielding Effect.
Chemistry · MCQ #21 Question Bank ID #22876
Coverage Gap
NUMS 2026 Examination Question
The size of Ar is larger than Cl due to:
Verified Key (B): Inter-electronic repulsion
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (Inter-electronic repulsion).
Noble gas atomic radius comparison: Ar larger than Cl due to electronic repulsion
Chemistry · MCQ #22 Question Bank ID #22877
Coverage Gap
NUMS 2026 Examination Question
Which element is lighter than water?
Verified Key (D): K
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (K).
Alkali metal density: Potassium (K) lighter than water (density < 1 g/cm3)
Chemistry · MCQ #23 Question Bank ID #22878
Direct Hit
NUMS 2026 Examination Question
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
Card ID #149343 Card 81 of 300 in deck Deck #1791
Front:
Among the alkali metals (Li, Na, K, Cs), which element has the lowest boiling point?
Back:
Cesium (Cs)

Explanation
Metallic bond strength decreases down Group 1 as atomic size increases, lowering boiling points.
Chemistry · MCQ #24 Question Bank ID #22879
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #149335 Deck #1791
Front:
Among the Group 2 alkaline earth metals (Be, Mg, Ca, Sr, Ba), which element has the largest atomic radius?
Back:
Barium (Ba)

Explanation
Atomic radius increases down a group in the periodic table due to the addition of principal electron shells. Barium resides furthest down among Group 2 elements.
Chemistry · MCQ #25 Question Bank ID #22880
Conceptual Hit
NUMS 2026 Examination Question
Which one of the following is heteroatom?
Verified Key (A): Pyrrole
BeambePrep Pulse Deck
Card ID #2715 Deck #17
Front:
What is a Heterocyclic Compound?
Back:
Ring containing non-carbon atom(s)

Examples:
Pyridine (N), Furan (O), Thiophene (S).
Contrast: Homocyclic rings contain only carbon.
Chemistry · MCQ #26 Question Bank ID #22881
Direct Hit
NUMS 2026 Examination Question
The function group of acid amide is:
Verified Key (C): \(-\text{C}(=\text{O})-\text{NH}_2\)
BeambePrep Pulse Deck Study Card
Card ID #139053 Card 44 of 127 in deck Deck #1742
Front:
What is the functional group of an Acid Amide?
Back:
\(\ce{-CONH2}\)

Structure:
The hydroxyl (\(\ce{-OH}\)) group of the carboxylic acid is replaced by an amino (\(\ce{-NH2}\)) group.
Chemistry · MCQ #27 Question Bank ID #22882
Direct Hit
NUMS 2026 Examination Question
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
Card ID #2719 Card 42 of 251 in deck Deck #17
Front:
Reagents for Dehydration of Alcohols?
Back:
Conc. \(H_2SO_4\) (at 170°C) or \(Al_2O_3\) (at 350°C)

Temperature Warning:
At lower temperatures (140°C), \(H_2SO_4\) produces Ethers instead of Alkenes.
Chemistry · MCQ #28 Question Bank ID #22883
Coverage Gap
NUMS 2026 Examination Question
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
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (Hex-2-ene).
Specific IUPAC systematic nomenclature of unbranched 2-alkenes
Chemistry · MCQ #29 Question Bank ID #22884
Direct Hit
NUMS 2026 Examination Question
Most of the reactions shown by alkenes are:
Verified Key (D): Addition reactions
BeambePrep Pulse Deck Study Card
Card ID #149305 Card 43 of 300 in deck Deck #1791
Front:
What is the characteristic type of reaction undergone by alkenes due to their electron-rich double bonds?
Back:
Electrophilic addition

Explanation
The \(\pi\)-electrons act as a nucleophile, attracting electrophiles to undergo electrophilic addition.
Chemistry · MCQ #30 Question Bank ID #22885
Coverage Gap
NUMS 2026 Examination Question
What are the conditions required for polymerization of ethene to polyethene?
Verified Key (A): 400ºC and 1000 atm
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (400ºC and 1000 atm).
High pressure industrial polymerization of ethene (400 deg C, 1000 atm)
Chemistry · MCQ #31 Question Bank ID #22886
Direct Hit
NUMS 2026 Examination Question
The reactivity order of alkyl halide is:
Verified Key (D): R - I > R - Br > R - Cl > R - F
BeambePrep Pulse Deck Study Card
Card ID #138766 Card 36 of 83 in deck Deck #1740
Front:
What is the overall order of reactivity for alkyl halides based on the halogen atom?
Back:
R-I > R-Br > R-Cl > R-F

Rule:
Reactivity is directly proportional to how easily the C-X bond breaks (Bond Energy).
Chemistry · MCQ #32 Question Bank ID #22887
Direct Hit
NUMS 2026 Examination Question
(CH3)3C-OH is an example of:
Verified Key (C): Tertiary alcohol
BeambePrep Pulse Deck Study Card
Card ID #3267 Card 5 of 101 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 #22888
Direct Hit
NUMS 2026 Examination Question
Which one of the following is used in the manufacturing of plastics?
Verified Key (D): Phenol
BeambePrep Pulse Deck Study Card
Card ID #3333 Card 71 of 101 in deck Deck #23
Front:
What is Bakelite?
Back:
Phenol-Formaldehyde Resin

Reaction:
Condensation polymerization of Phenol and Formaldehyde in the presence of acid/alkali.
Chemistry · MCQ #34 Question Bank ID #22889
Conceptual Hit
NUMS 2026 Examination Question
Which of the following will give formic acid as one of the product of oxidation?
Verified Key (B): Propanone
BeambePrep Pulse Deck
Card ID #138993 Deck #1741
Front:
When a Ketone is successfully oxidized by a strong agent, the resulting products contain [More/Fewer/The Same] number of carbon atoms compared to the parent ketone?
Back:
Fewer

Why?
Because the oxidation requires the literal breaking of the carbon backbone (a C-C bond), splitting the molecule into smaller carboxylic acids.
Chemistry · MCQ #35 Question Bank ID #22890
Coverage Gap
NUMS 2026 Examination Question
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
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (2 - Ethyl - 3 - methyl pentanal).
Complex branched aldehyde IUPAC naming (2-Ethyl-3-methyl pentanal)
Chemistry · MCQ #36 Question Bank ID #22891
Coverage Gap
NUMS 2026 Examination Question
What is the common name of following compound?

COOHCOOH
Verified Key (C): Phthalic acid
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (Phthalic acid).
Benzene-1,2-dicarboxylic acid common trivial name (Phthalic acid)
Chemistry · MCQ #37 Question Bank ID #22892
Direct Hit
NUMS 2026 Examination Question
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
Card ID #139070 Card 61 of 127 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 (P2O5)

Mechanism:
\(\ce{P2O5}\) strips a water molecule (\(\ce{H2O}\)) away from the two acids, fusing them into a diacyl oxide (anhydride).
Chemistry · MCQ #38 Question Bank ID #22893
Direct Hit
NUMS 2026 Examination Question
Carboxylic acid react with metals to form salt with the evolution of which gas?
Verified Key (C): H2
BeambePrep Pulse Deck Study Card
Card ID #139067 Card 58 of 127 in deck Deck #1742
Front:
What are the products when a carboxylic acid reacts with an active metal like Sodium (Na)?
Back:
  • Sodium Carboxylate Salt
  • Hydrogen Gas (\(\ce{H2}\))

Equation:
\(\ce{2CH3COOH + 2Na → 2CH3COONa + H2}\)
Chemistry · MCQ #39 Question Bank ID #22894
Direct Hit
NUMS 2026 Examination Question
Which protein helps in muscles contractions and relaxation in our body?
Verified Key (A): Myosin
BeambePrep Pulse Deck Study Card
Card ID #102586 Card 134 of 184 in deck Deck #1378
Front:
Myofilaments are composed of two types of threads. The Thick filament is entirely composed of which single protein?
Back:
Myosin

Mnemonic:
Myosin = Mota (Thick). It is about 16 nm in diameter.
Chemistry · MCQ #40 Question Bank ID #22895
Conceptual Hit
NUMS 2026 Examination Question
Various polypeptide chains in haemoglobin remain intact due to:
Verified Key (C): Salt bridges
BeambePrep Pulse Deck
Card ID #154797 Deck #1821
Front:
Why does exposure to high-energy ionizing radiation or ultraviolet light cause enzyme inactivation?
Back:
Denatures the 3D tertiary structure

Explanation:
High-energy radiation disrupts hydrogen bonding, ionic salt bridges, and disulfide linkages, destroying the specific 3D tertiary conformation of the active site.
Physics · MCQ #1 Question Bank ID #22896
Direct Hit
NUMS 2026 Examination Question
The vertical height and horizontal range of projectiles are equal at angle:
Verified Key (C): 76º
BeambePrep Pulse Deck Study Card
Card ID #3785 Card 48 of 64 in deck Deck #28
Front:
Angle where Max Height = Range?
Back:
76°

Derivation:
\(\tan\theta = 4 \to \theta = \tan^{-1}(4)\).
Physics · MCQ #2 Question Bank ID #22897
Direct Hit
NUMS 2026 Examination Question
Range of projectile is maximum at:
Verified Key (B): 45º
BeambePrep Pulse Deck Study Card
Card ID #3799 Card 57 of 64 in deck Deck #28
Front:
Projectile Range is maximum at angle [?].
Back:
45°
Physics · MCQ #3 Question Bank ID #22898
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #3759 Deck #28
Front:
What is the quantitative measure of Inertia?
Back:
Mass

Rule:
Greater Mass = Greater Inertia.
Physics · MCQ #4 Question Bank ID #22899
Direct Hit
NUMS 2026 Examination Question
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
Card ID #3765 Card 30 of 64 in deck Deck #28
Front:
State the Law of Conservation of Momentum.
Back:
Constant for Isolated System

Condition:
No external net force acts on the system.
Physics · MCQ #5 Question Bank ID #22900
Direct Hit
NUMS 2026 Examination Question
Work done is negative, when the angle between F and S is:
Verified Key (D): 180º
BeambePrep Pulse Deck Study Card
Card ID #3851 Card 5 of 60 in deck Deck #29
Front:
Identify the conditions for Positive, Negative, and Zero Work based on angle \(\theta\).
Back:
  • Positive: Acute angle (\(0^\circ \le \theta < 90^\circ\)). Helps motion.
  • Zero: Perpendicular (\(\theta = 90^\circ\)). No effect on speed.
  • Negative: Obtuse angle (\(90^\circ < \theta \le 180^\circ\)). Hinders motion.
Physics · MCQ #6 Question Bank ID #22901
Conceptual Hit
NUMS 2026 Examination Question
When the speed of the car is doubled, what will be its kinetic energy?
Verified Key (D): Four times
BeambePrep Pulse Deck Study Card
Card ID #3909 Card 47 of 60 in deck Deck #29
Front:
Basic Formula for Kinetic Energy?
Back:
\(KE = \frac{1}{2}mv^2\)
Physics · MCQ #7 Question Bank ID #22902
Coverage Gap
NUMS 2026 Examination Question
The work efficiency of a dry cell battery is:
Verified Key (D): 90%
Unindexed Concept · Coverage Gap Honest Audit
No public Anki flashcard currently covers this specific fact (90%).
Dry cell battery energy conversion work efficiency percentage (90%)
Physics · MCQ #8 Question Bank ID #22903
Conceptual Hit
NUMS 2026 Examination Question
When distance r increases than gravitational P.E becomes:
Verified Key (C): Less negative
BeambePrep Pulse Deck
Card ID #3882 Deck #29
Front:
Formula for Absolute Gravitational PE (U)?
Back:
\(U = -\frac{GMm}{r}\)
Physics · MCQ #9 Question Bank ID #22904
Conceptual Hit
NUMS 2026 Examination Question
How many Joules are there in 3KWh?
Verified Key (B): 10.8MJ
BeambePrep Pulse Deck Study Card
Card ID #3871 Card 24 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 #22905
Conceptual Hit
NUMS 2026 Examination Question
A car moving on a more steeply banked curves will require:
Verified Key (B): Large speed and small radii
BeambePrep Pulse Deck
Card ID #4158 Deck #32
Front:
Formulas for Centripetal Acceleration (\(a_c\))?
Back:
\(a_c = \frac{v^2}{r} \quad \text{or} \quad a_c = r\omega^2\)
Physics · MCQ #11 Question Bank ID #22906
Conceptual Hit
NUMS 2026 Examination Question
In a body angular acceleration is produced by:
Verified Key (D): Net torque
BeambePrep Pulse Deck Study Card
Card ID #3955 Card 22 of 63 in deck Deck #30
Front:
Define Torque (\(\tau\)).
Back:
Turning Effect of Force

Type: Vector Quantity.
Action: Rotation about a pivot/axis.
Physics · MCQ #12 Question Bank ID #22907
Direct Hit
NUMS 2026 Examination Question
The analogue of force in circular / angular motion is:
Verified Key (B): Torque
BeambePrep Pulse Deck Study Card
Card ID #3955 Card 22 of 63 in deck Deck #30
Front:
Define Torque (\(\tau\)).
Back:
Turning Effect of Force

Type: Vector Quantity.
Action: Rotation about a pivot/axis.
Physics · MCQ #13 Question Bank ID #22908
Conceptual Hit
NUMS 2026 Examination Question
1º is equals to:
Verified Key (B): \pi/180 radians
BeambePrep Pulse Deck Study Card
Card ID #4138 Card 4 of 30 in deck Deck #32
Front:
Conversion factor: Radians to Degrees?
Back:
\(2\pi \text{ rad} = 360^\circ\)

Quick Approx:
1 radian \(\approx 57.3^\circ\).
Physics · MCQ #14 Question Bank ID #22909
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #4157 Card 23 of 30 in deck Deck #32
Front:
Define Centripetal Acceleration (\(a_c\)).
Back:
Acceleration toward Center

Role:
It is responsible solely for changing the direction of the velocity, not its magnitude.
Physics · MCQ #15 Question Bank ID #22910
Direct Hit
NUMS 2026 Examination Question
The distance between two consecutive nodes are:
Verified Key (B): \lambda/2
BeambePrep Pulse Deck Study Card
Card ID #118203 Card 51 of 51 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 #22911
Conceptual Hit
NUMS 2026 Examination Question
If a sound waves moves from air to water, there is NO change in:
Verified Key (B): Frequency
BeambePrep Pulse Deck
Card ID #118156 Deck #1577
Front:
What is the fundamental Wave Equation relating speed \(v\), frequency \(f\), and wavelength \(\lambda\)?
Back:
\(v = f\lambda\)

Alternative Form:
Since frequency is the inverse of period (\(f = \frac{1}{T}\)), it can also be written as \(v = \frac{\lambda}{T}\).
Physics · MCQ #17 Question Bank ID #22912
Direct Hit
NUMS 2026 Examination Question
The star moving closer to earth will experience:
Verified Key (A): Blue shift
BeambePrep Pulse Deck Study Card
Card ID #118199 Card 47 of 51 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:
Blue = Bumping into you (Approaching).
Moving closer increases the frequency (compressing wavelength), shifting light toward the blue end.
Physics · MCQ #18 Question Bank ID #22913
Conceptual Hit
NUMS 2026 Examination Question
If the amplitude of a wave is doubled, its intensity is:
Verified Key (C): Quadrupled
BeambePrep Pulse Deck
Card ID #119163 Deck #1587
Front:
What is the formula for Total Energy (TE) in an ideal SHM system?
Back:
\(TE = \frac{1}{2} k x_0^2\)

Conservation Rule:
The Total Energy is perfectly constant! It depends ONLY on the initial maximum amplitude (\(x_0\)), not on the instantaneous position (\(x\)).
Physics · MCQ #19 Question Bank ID #22914
Conceptual Hit
NUMS 2026 Examination Question
Which of the following is an example of first law of thermodynamics?
Verified Key (B): Metabolism
BeambePrep Pulse Deck
Card ID #4029 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 (\(\Delta W\)).
Physics · MCQ #20 Question Bank ID #22915
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #4016 Deck #31
Front:
How does a Rise in Temperature affect Internal Energy?
Back:
Increases Internal Energy

Mechanism:
Temperature is a measure of average kinetic energy. Higher T means the particles are moving/vibrating faster.
Physics · MCQ #21 Question Bank ID #22916
Conceptual Hit
NUMS 2026 Examination Question
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
Card ID #4044 Card 28 of 63 in deck Deck #31
Front:
Why is \(C_p > C_v\) for a gas?
Back:
Expansion Work

Comparison:
Cv (Volume): Heat only increases Internal Energy.
Cp (Pressure): Heat must increase Internal Energy PLUS do work to expand the gas.
Physics · MCQ #22 Question Bank ID #22917
Conceptual Hit
NUMS 2026 Examination Question
Coulomb's law of electrostatic induction is valid for:
Verified Key (C): Stationary & point charges
BeambePrep Pulse Deck
Card ID #4946 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 #22918
Direct Hit
NUMS 2026 Examination Question
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
Card ID #5000 Card 56 of 110 in deck Deck #42
Front:
Does Electric Potential Increase or Decrease in the direction of the Electric Field?
Back:
Decrease

The Hill Analogy:
Electric field lines point "downhill." Positive charges naturally move from High Potential to Low Potential (with the field), losing potential energy.
Physics · MCQ #24 Question Bank ID #22919
Direct Hit
NUMS 2026 Examination Question
For each element, value of half-life is:
Verified Key (B): Constant
BeambePrep Pulse Deck Study Card
Card ID #139816 Card 40 of 66 in deck Deck #1746
Front:
What is the formula linking the Half-life (\(T_{1/2}\)) to the Decay Constant (\(\lambda\))?
Back:
\(T_{1/2} = \frac{0.693}{\lambda}\)

Inverse Relationship:
A large decay constant means the substance decays very rapidly, resulting in a short half-life.
Physics · MCQ #25 Question Bank ID #22920
Direct Hit
NUMS 2026 Examination Question
The unit of RC is:
Verified Key (C): Second
BeambePrep Pulse Deck Study Card
Card ID #5020 Card 73 of 110 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 #22921
Direct Hit
NUMS 2026 Examination Question
The fractional change in resistance per kelvin is known as the temperature coefficient of:
Verified Key (B): Resistance
BeambePrep Pulse Deck Study Card
Card ID #5100 Card 30 of 65 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 #22922
Direct Hit
NUMS 2026 Examination Question
Which of the following is an example of Ohmic in nature?
Verified Key (D): Conductor
BeambePrep Pulse Deck Study Card
Card ID #5086 Card 25 of 65 in deck Deck #43
Front:
Identify two common examples of Non-Ohmic Devices.
Back:
  • Filament Bulbs
  • Semiconductor Diodes

Definition:
Non-ohmic devices do not have a straight-line V-I graph.
Physics · MCQ #28 Question Bank ID #22923
Direct Hit
NUMS 2026 Examination Question
The material whose resistance decreases with increase in temperature have:
Verified Key (B): Negative temperature coefficient
BeambePrep Pulse Deck Study Card
Card ID #5099 Card 39 of 65 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 #22924
Direct Hit
NUMS 2026 Examination Question
The number of magnetic field lines passing through unit area is called:
Verified Key (C): Magnetic flux density
BeambePrep Pulse Deck Study Card
Card ID #5164 Card 24 of 61 in deck Deck #44
Front:
How is Magnetic Flux \(\Phi_B\) mathematically defined in relation to vectors B and A?
Back:
\(\Phi_B = \vec{B} \cdot \vec{A} = BA \cos\theta\)

Definition:
It is the scalar (dot) product of the magnetic field vector and the vector area.
Physics · MCQ #30 Question Bank ID #22925
Direct Hit
NUMS 2026 Examination Question
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
Card ID #5179 Card 39 of 61 in deck Deck #44
Front:
What is the scalar formula for the magnetic force \(F\) on a moving charge?
Back:
\(F = qvB \sin\theta\)

Variables:
q = Charge
v = Velocity
B = Magnetic field
θ = Angle between v and B
Physics · MCQ #31 Question Bank ID #22926
Direct Hit
NUMS 2026 Examination Question
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
Card ID #5179 Card 39 of 61 in deck Deck #44
Front:
What is the scalar formula for the magnetic force \(F\) on a moving charge?
Back:
\(F = qvB \sin\theta\)

Variables:
q = Charge
v = Velocity
B = Magnetic field
θ = Angle between v and B
Physics · MCQ #32 Question Bank ID #22927
Conceptual Hit
NUMS 2026 Examination Question
Generator effect is practical application of:
Verified Key (B): Dynamic e.m.f
BeambePrep Pulse Deck Study Card
Card ID #100446 Card 126 of 136 in deck Deck #1367
Front:
When an airplane flies horizontally in a region where the Earth's magnetic field points vertically downward, what electromagnetic phenomenon occurs across its metallic wings?
Back:
Motional EMF

The Giant Conductor:
The metallic wings act as a moving rod cutting through the Earth's magnetic field lines, causing a voltage difference between the wingtips.
Physics · MCQ #33 Question Bank ID #22928
Direct Hit
NUMS 2026 Examination Question
If number of turns of coil becomes double, the induced emf will be:
Verified Key (A): Double
BeambePrep Pulse Deck Study Card
Card ID #100396 Card 77 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 Field
Physics · MCQ #34 Question Bank ID #22929
Direct Hit
NUMS 2026 Examination Question
Electromagnetic sensor in seismograph converts ground movement into:
Verified Key (B): Electric signals
BeambePrep Pulse Deck Study Card
Card ID #100432 Card 113 of 136 in deck Deck #1367
Front:
What specific electromagnetic device is used by geologists to measure earthquakes and ground vibrations?
Back:
Electromagnetic Seismometer

Application:
It transforms received vibration energy into an electrical voltage using Faraday's Law.
Physics · MCQ #35 Question Bank ID #22930
Conceptual Hit
NUMS 2026 Examination Question
A full wave bridge rectifier consists of:
Verified Key (B): Four diodes
BeambePrep Pulse Deck
Card ID #139376 Deck #1743
Front:
Which type of rectifier circuit allows unidirectional current through the load during the entire cycle of the AC input?
Back:
Full-Wave Rectifier

Mechanism:
It uses both the positive and negative halves of the sine wave to produce a much smoother DC output.
Physics · MCQ #36 Question Bank ID #22931
Direct Hit
NUMS 2026 Examination Question
An electrical component used to convert AC into DC is:
Verified Key (C): Diode
BeambePrep Pulse Deck Study Card
Card ID #139368 Card 65 of 76 in deck Deck #1743
Front:
What is the generic name for a device used to perform rectification?
Back:
Rectifier

Components:
Semiconductor diodes act as excellent, compact rectifiers because they only allow current to flow in one direction.
Physics · MCQ #37 Question Bank ID #22932
Conceptual Hit
NUMS 2026 Examination Question
A photon has:
Verified Key (C): Zero mass, finite momentum
BeambePrep Pulse Deck Study Card
Card ID #139923 Card 15 of 48 in deck Deck #1747
Front:
What is the Rest mass of a photon?
Back:
Zero

Symbol:
\(m_o\)
Physics · MCQ #38 Question Bank ID #22933
Direct Hit
NUMS 2026 Examination Question
Photo-conductive devices like photo cells and solar cells are application of:
Verified Key (A): Photo electric effect
BeambePrep Pulse Deck Study Card
Card ID #139539 Card 26 of 40 in deck Deck #1744
Front:
What simple device is built entirely upon the principles of the photoelectric effect?
Back:
The Photocell

Function:
It consists of an evacuated glass bulb with a specific metal cathode that ejects electrons (creates current) when exposed to a specific type of light.
Physics · MCQ #39 Question Bank ID #22934
Conceptual Hit
NUMS 2026 Examination Question
Which of the following particle has smaller De Broglie wave length?
Verified Key (D): Alpha particle
BeambePrep Pulse Deck Study Card
Card ID #118161 Card 11 of 51 in deck Deck #1577
Front:
What type of waves are governed by wave-particle duality and are associated with moving particles?
Back:
Matter (de Broglie) Waves

Examples:
Electrons, protons, and other subatomic particles exhibiting wave-like behavior depending on their speed.
Physics · MCQ #40 Question Bank ID #22935
Direct Hit
NUMS 2026 Examination Question
In the spectrum of hydrogen atom which of the following series has smallest wavelength?
Verified Key (C): Lyman series
BeambePrep Pulse Deck Study Card
Card ID #139610 Card 16 of 85 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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