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Question

Ancestors of seed-bearing plants exhibit

A
vascular bundles
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B
seed habit
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C
heterospory
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D
heterotrichous
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Solution

The correct option is C heterospory
Seed habit is an evolutionary step seen in angiosperms leading to the formation of the protective integument around the female gametophyte leading to the formation of the seed.

Heterospory is the formation of two types of gametes - the male spore or the microspore and the female gamete or the megaspore. This is what the present day seed bearing plants exhibit along with other features such as vascular bundles, erect stem etc.

Vascular bundles refer to the xylem and phloem which are the conducting tissues.

Heterotrichous condition is where a plant shows both erect and prostrate forms as seen in some lower forms.

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