Question

Which chemical is mainly present in cytoplasm of pollen grain?

Answer 1

Pollen grains are microscopic structures that carry the male reproductive cell of plants. The insideof the grain contains cytoplasm along with the tube cell (which becomes the pollen tube) and the generative cell (which releases the sperm nuclei). The outer shell is made of two layers.

Answer 2

1- major metabolites
2-carbohydrates
3-mineral content
4-callose
5-organic acids
6-ammino acids
7-pigments
8-vitamins
9-hormones and steroids
these are off I know please mark me a brain list