Question

a) Why is fertilization not possible without pollination?
b) What are those organisms called which bear both the sex organs in the same
individual Give one example of such organism.
c) List two functions performed by testes in human beings.
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Answer 1

Explanation:

Fertilization is not possible without pollination in plants. Because if they don't pollinate than then pollen grains (male gamates) cannot travel through pollen tube. And don't fuse with egg to form zygote. Fusion of male gamate and female gamate is known as Fertilization

The organisms which bear both the sex organs are called hermaphrodites. Most of the invertebrates are hermaphrodites. It is a normal condition among this group of organisms enabling them to undergo a form of sexual reproduction where the partner can act either as male or female. The example is an earthworm

Two functions performed by testes are: (i) To produce the male sex cells (gametes) called sperms. (ii) To secrete the male sex hormone called testosterone which is responsible for secondary sexual changes in males

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Answer 2

Answer:

1)because pollen grain is male germ sale

2) bisexuals organism ,eg:- hibiscus

3) formation of aperm