Question

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H. Give biological reasons for:

1. Cross-pollination is not always certain.

2. There is no wastage of pollen grains in self-pollination.

3. Testes are present inside scrotal sacs.

4. The fully developed human embryo is called foetus.

5. Bulb of onion is a condensed shoot.
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PLEASE..............
GIVE...........
THE..........
ANSWER..........
AS..........
SOON ...........
AS..........
POSSIBLE.....

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Answer 1

Answer:

Here is your answer

1.It is not always certain as a pollinating agent is always required, and it may or may not be available at the suitable time. Pollen grains have to be produced in abundance to ensure chances of pollination. This results in lot of wastage of pollen