1. If one pollen grain produces two male gametes, how many pollen grains are needed to fertilize \(10\) ovules?
The number of pollen grains needed to fertilize \(10\) ovules is:
2. In which part of the flower germination of pollen grains takes place?
The part where flower germination of pollen grains take place is:
3. Name two organisms which reproduce through budding.
Organisms which reproduce through budding:
4. Mention the function of endosperm.
The function of endosperm is:
5. Name the hormone responsible for the vigorous contractions of the uterine muscles.
The hormone responsible for the vigorous contractions of the uterine muscles is: