MCQ on Homology and Analogy with Answers

Homology and analogy are key concepts in evolutionary biology that describe the relationship between structures in different organisms. Both terms refer to similarities, but the origins and functions of the structures differ.

Homology refers to traits that are similar due to shared ancestry. These structures may not necessarily perform the same function in different species but share a common evolutionary origin. Homologous structures result from divergent evolution.

Analogy refers to traits that are similar due to similar environmental pressures or ecological functions, not because of a common ancestor. These structures arise from convergent evolution, where unrelated species independently evolve similar traits.

This is an MCQ on Homology and Analogy with Answers to learn about structure and features of homologous and analogous structures in organisms.

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1. 
Which of the following pairs of structures are homologous?

2. 
Which of the following is an example of analogous structures?

3. 
Homologous structures are evidence of:

4. 
Which of the following is a characteristic of analogous structures?

5. 
Which of the following is NOT an example of a homologous structure?

6. 
Homology suggests that two species share a:

7. 
The forelimbs of humans, cats, and whales are considered homologous because they:

8. 
Which of the following is an example of convergent evolution leading to analogous structures?

9. 
Which of the following best distinguishes homologous from analogous structures?

10. 
The wings of birds and the wings of bats are considered:

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