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Question

Which is not involved in the fertilization of ferns?

A
Water
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B
Archegonia
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C
Flagellated sperms
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D
Pollen tube
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Solution

The correct option is D Pollen tube
Ferns being pteridophytes require water for their fertilization process. The male gametes or sperm are flagellated and use water to swim to the female part or the archegonia where a sperm fuses with the egg to form a diploid oospore without the formation of a pollen tube.

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