Class 12th Complete Biology - Class 12 UP Board Botany

Biology: Key Concepts and Revision for Class 12

Sexual Reproduction in Flowering Plants Sexual reproduction in flowering plants involves the fusion of male and female gametes, resulting in the formation of a zygote that develops into an embryo and ultimately a new individual. Angiosperms exhibit a unique process...

What is the viability period of pollen grains in rice and wheat?

30 minutes

Which material makes the exine layer of pollen grains highly resistant?

Sporopollenin

What is the viability period of pollen grains in rice and wheat?

30 minutes

Which material makes the exine layer of pollen grains highly resistant?

Sporopollenin