Question 13
Select the correct statement

(a) Tendril of a pea plant and phylloclade of Opuntia are homologous.
(b) Tendril of a pea plant and phylloclade of Opuntia are analogous.
(c) Wings of birds and limbs of lizards are analogous.
(d) Wings of birds and wings of bat are homologous.

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Solution

(a) Tendril of a pea plant and phylloclade of Opuntia are homologous.

Tendrils of pea’s plant and phylloclade of Opuntia are homologous because both of them have same origin i.e. they are modified shoots but perform different functions. Tendrils help in climbing while phylloclade helps in photosynthesis.

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Question 13
Select the correct statement

(a) Tendril of a pea plant and phylloclade of Opuntia are homologous.
(b) Tendril of a pea plant and phylloclade of Opuntia are analogous.
(c) Wings of birds and limbs of lizards are analogous.
(d) Wings of birds and wings of bat are homologous.

A tendril of a pea plant and phylloclade of Opuntia are homologous.

Q. 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.

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

Q. Explain whether the wings of birds and bats are analogous or homologous.

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