Consider the following statement.
(A) The wings of birds and insects are homologous structures
(B) The wings of insects and bats are analogous structures
(C) The wings of bats and birds are homologous structures
(D) The wings of birds and insects are analogous structures

Choose the option which includes only the correct statements.

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Solution

Analogous structures are anatomically different structures though they perform similar functions. The wings of birds, bats, and insects are analogous structures; they serve the same function of flight but their structure and origin are different from each other.

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Similar questions

Q. Study the following statements
I. Wings of birds and wings of bats are homologous organs.
II. Wings of birds and wings of insects are modified forelimbs.
III. Wings of birds and wings of insects are analogous organs.
IV. Wings of birds and forelimbs of horse are homologous organs.
The correct statements are

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. Study the different conclusions drawn by students of a class on the basis of observations of preserved/available specimens of plants and animals.
I. Potato and sweet potato are analogous organs in plants.
II. Wings of insects and wings of birds are homologous organs in animals.
III. Wings of insects and wings of bats are analogous organs in animals.
IV. Thorns of citrus and tendrils of Cucurbita are analogous organs in plants.
The correct conclusions are

Q. Out of the wing of a bird, wing of an insect and the wing of a bat :
(a) which two are homologous organs?
(b) which two are analogous organs?

Q. Choose the correct statements with reference to organic evolution
(a) Flippers of Whale and wings of bat exhibit analogy
(b) Wings of Butterfly and wings of Bird exhibit homology
(c) Organs with dissimilar structure are called analogous organs
(d) Organs with similar structure and origin are called homologous organs

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Evolutionary Evidence- Fossils

Standard VIII Biology

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