Approximate diameter of pollen grain is

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) Pollen grains are generally $25-50 \mu m$ in diameter.Pollen grains have two main layers:$(i)$ Outer Layer: It is also called exine. It is made up

Vedclass · Accepted Answer

$25-50 \mu m$

Vedclass · Answer

(A) Pollen grains are generally $25-50 \mu m$ in diameter.Pollen grains have two main layers:$(i)$ Outer Layer: It is also called exine. It is made up of sporopollenin. It is hard and protective in nature. Due to sporopollenin,pollen can withstand extreme temperatures.(ii) Inner layer: It is also called intine. It is made up of cellulose and pectin. It is very thin as compared to the outer layer.

Similar Questions

The saccus of $Pinus$ pollen is a modification of:

What does '$X$' represent in the given figure?

Where is sporopollenin found?

In anther culture,the androgenic haploid plants are obtained from

Statement-$I$ : Flowers are the sites of sexual reproduction in angiosperms.
Statement-$II$ : $A$ typical anther is a bilobed,dithecous,and tetragonal structure.

Vedclass Test Series

Exam Paper Generator

Online Exam Module