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 function of endothecium is

In wheat and rice, how long does the pollen grain remain viable after being released?

$A$ typical anther in most of the angiosperms is . . . . . . .

Assertion $A$: Pollen grains are found in the form of fossils.
Reason $R$: Sporopollenin is seen in its outer layer.

Which structure of the stamen is long and slender?

Vedclass Test Series

Exam Paper Generator

Online Exam Module