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Double Fertilisation

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Question

Give reason: Number of male gametes produced is much more than the female gametes produced.

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Solution

Male gametes need to be transported to female gamete for fertilization. A large number of them are destroyed or lose their viability until they reach female gamete. To compensate for the loss of male gametes during transport, a large number of male gametes are produced.

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The number of male gametes produced is much more than the number of female gametes in most organisms. The reason is that

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Q. [A]: The ratio between the number of male gametes in male gametophyte to number of female gametes in female gametophyte is 1 : 2
[R]: A female gametophyte has more gametes than male gametophyte

Q. Choose the incorrect statement(s) from the following statements.
1. Several organisms belonging to fungi, algae and bryophytes have diploid bodies.
2. The number of female gametes produced is several thousand times more than the number of male gametes produced.
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