Home
Class 12
BIOLOGY
The hard outer layer of pollen is compos...

The hard outer layer of pollen is composed of
Exine
Intine
Integument
Sporopollenin

A

Exine

B

Intine

C

Integument

D

Sporopollenin

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Identify the pair of wrong statements. I. Intine of pollen grains is made up of sporopollenin II. Pollen grains are well preserved as fossils because of the presence of sporopollenin III. Enzymes can degrade the organic material of the pollen grain exine IV. Sporopollenin can withstand high temperature, strong acids and alkali

The innermost wall layer of pollen sac is tapetum. Its function is in

Observe the relationship between the first two terms and fill in the blanks. Exine: Sporopollenin, Intine : …….

Read the features of cell layers in the wall of human intestine. * It consists of circular and longitudinal smooth muscles. *Outer thin layer formed of mesothelium. *A layer formed of loose connective tissue and nerves. *Epithelium with goblet cells to secrete muscus. Identify the cell layers and arrange them from inside to outside as seen in the section of intestine.