Assertion: Analogous organs have different origins but similar functions
Reason: Analogous structures show divergent evolution

Both the assertion and reason are true and the reason is a correct explanation of the assertion

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Both assertion and reason are true but the reason is not the correct explanation of the assertion

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Assertion is true but the reason is false

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Both assertion and reason are false

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Solution

The correct option is C Assertion is true but the reason is false

Analogous organs evolved when similar evolutionary pressure resulted in the selection of similar adaptive features in different groups of organisms but leading towards the same function. Thus these structures show convergent evolution. So the assertion is true but the reason is false.

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Similar questions

Q. Assertion :Analogous organs are a result of divergent evolution. Reason: Eyes of octopus and mammals depict divergent evolution.

Q. The analogous organs have similar functions but have .......... structures.

Q. Assertion :

Homologous organs have common ancestry and similar function.

Reason: Analogous organs have unlike origin and dissimilar function.

Choose the correct statement(s) with reference to organic evolution.
I. Flippers of whales and wings of bats exhibit analogy.
II. Wings of butterflies and wings of birds exhibit homology.
III. Organs with dissimilar structures, performing similar functions are called analogous organs.
IV. Organs with similar structure and origin are called homologous organs.

Q. The organs which perform similar functions but have different basic structure are called :
(a) asymmetric organs
(b) analogous organs
(c) homologous organs
(d) homophonic organs

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Cell Theory

Standard XII Biology

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Assertion: Analogous organs have different origins but similar functions Reason: Analogous structures show divergent evolution

Assertion: Analogous organs have different origins but similar functions
Reason: Analogous structures show divergent evolution