Zoology-Natural Selection
NEET Zoology Natural Selection MCQ Question
Type: MCQ-diagram based-Hard-Class 12
Consider a diagram illustrating a population of beetles with varying coloration, where green beetles are more frequently preyed upon due to their visibility against the grass, leading to an increase in brown beetles over generations. Which principle of natural selection is most directly demonstrated by this scenario?
A
Differential survival due to environmental pressures
B
Random mutation occurrence
C
Genetic drift in small populations
D
Stable allele frequencies in a population
Correct Answer
Option A
Detailed Explanation
The scenario describes how the environment (grass) exerts a selective pressure on beetle coloration, favoring brown beetles, which exemplifies differential survival due to environmental pressures as part of natural selection.
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