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

True

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False

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Solution

The correct option is A True
Homology actually refers to a common origin or common ancestor. The function of homologous structures may be different, as per the requirement of the organisms but the basic structural plan will remain the same as they had a common ancestry. For example- phylloclade of Opuntia is modified for photosynthesis and tendril is meant to provide support to the weak stem, however, both the structures essentially belong to the shoot system.

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Similar questions

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.

Q. Amongst pea tendrils, Opuntia spines, lemon thorns and cucurbit tendrils, which ones are homologous structures? Give reason.

Q. Tendrils of Vitis (grapevine) are homologous to tendrils of Cucurbits but analogous to those of pea. Justify the above statement.

Q. Thorns of Bougainvillea and phylloclade of Opuntia are modified

Tendrils of grapevines are homologous to the tendril of pumpkins, but are analogous to that of pea. Justify the above statement.

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