Biology Evolution DUHS 2022
PMDC Verified Question 36 of 47
Evolution is transformation of the form and mode of existence of an organism in such manner that the descendants differ from their ancestor, according to:
A
Weismann
B
Darwin
C
Lamarck
D
Mendel
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Darwin
Concept:

The core definition of evolution encompasses the gradual change of populations resulting in descendants that are distinct from their ancestors.

Solution:

  • Charles Darwin defined evolution fundamentally as "descent with modification."
  • This means that as lineages progress through time, they accumulate genetic and phenotypic changes, transforming their form and mode of existence so that modern descendants differ significantly from their ancient ancestors.


Why other options are incorrect:

  • Lamarck: Argued for inheritance of acquired characteristics, a specific incorrect mechanism.
  • Weismann: Famous for the germ-plasm theory, disproving Lamarckism.
  • Mendel: The father of genetics who discovered inheritance laws, not the broader theory of evolutionary transformation.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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