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Evolution
5 Class 12 Biology questions with answers and explanations.
Printable worksheet with answer key
All questions with answers
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The theory of natural selection was proposed by:
- 1 Pasteur
- 2 Lamarck
- 3 Darwin
- 4 Mendel
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Correct answer: Darwin
Charles Darwin and Alfred Russel Wallace.
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Fossils give evidence of:
- 1 Past life
- 2 Future species
- 3 Only climate
- 4 Only plants
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Correct answer: Past life
They record organisms that lived long ago.
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Similar bone structures in the arms of humans and the wings of bats are called:
- 1 Homologous structures
- 2 Analogous structures
- 3 Mutations
- 4 Vestigial structures
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Correct answer: Homologous structures
They share a common ancestry.
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A random change in DNA is a:
- 1 Selection
- 2 Migration
- 3 Adaptation
- 4 Mutation
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Correct answer: Mutation
Mutations are a source of new variation.
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Antibiotic resistance in bacteria is an example of:
- 1 Natural selection
- 2 Extinction
- 3 Fossil evidence
- 4 Artificial selection
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Correct answer: Natural selection
Resistant bacteria survive and multiply.
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