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Q.

Which one of the following statements is not valid for pteridophytes?

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a

The main plant body is a sporophyte with true roots, stems and leaves.

b

The gametophytes are multicellular vascularised and mostly photosynthetic.

c

Most of them are homosporous.

d

Water is essential for the transfer of male gametes towards female gamete..

answer is B.

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Detailed Solution

In pteridophytes, gametophytes do not possess vascular bundles. But sporophytes are well-differentiated into root, stem and leave that possess vascular bundles.

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