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Double Fertilisation

Ulothrix bein...

Question

Ulothrix being a thallophyte, Riccia, a bryophyte and fern, a pteridophyte require water for fertilization (fusion of male and female gamete).

A

Dominant gametophyte

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B

Unicellular gametangia

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C

Absence of vascular tissues

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D

Need of water for fertilization

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Solution

The correct option is D Need of water for fertilization
All the 3 need water for fertilization.

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Q. Choose the incorrect statement(s) from the following statements.
1. Several organisms belonging to fungi, algae and bryophytes have diploid bodies.
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4. In a majority of organisms, male gamete is motile and the female gamete is stationary.

___ is a mode of reproduction that involves fusion of female gamete and male gamete.

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