Genetics and Evolution MCQ Quiz: GKFix - Bridge of Knowledge

Question 1

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What is the main reason for the diversification of Darwin’s finches?

Geographic isolation alone
Climate fluctuations
Predator avoidance
Availability of different food sources

Question 2

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What is the main factor determining whether a mutation becomes widespread in a population?

How old the mutation is
How many other mutations exist
Whether it increases fitness
Where it originated geographically

Question 3

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What is the function of mutations in evolution?

Ensure uniformity in traits
Cause population bottlenecks
Introduce new genetic variation into populations
Increase gene flow between species

Question 4

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What defines eukaryotic cells compared to prokaryotes?

Ability to perform photosynthesis
Lack of DNA
Smaller cell size
Presence of a nucleus and membrane-bound organelles

Question 5

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Which hypothesis suggests RNA molecules were precursors to life?

Primordial Soup Theory
Miller-Urey Experiment
DNA First Hypothesis
RNA World Hypothesis