Question

why do you think the exine shud be hard? what is the function of germ pore? how will we answer this if asked for 3 marks?

Answer 1

Exine should be hard coz :- 
1.It protects pollen grains during unfavourable conditions.
2.It safeguards the pollengrains.

Germ pore helps in the formation of pollen tube and the release of male gamete in during the fertilization..

Answer 2

the Exine is a part of the Pollen Grain which helps in maintenance of the function of the polynomial.

Explanation:

• The Exine gives mechanical support to the Pollen Grain and prevents the the degeneration of the pollen grains.

• In addition to this it also helps in in protecting the pollen grain Harsh environmental condition.
• The two functions are growth of the Pollen tube and release of the male gamut by the process of which fertilization takes place.

To know more about germ pore,

What is the function of the germ pore?

https://brainly.in/question/240650