The wall of pollen tube is made up of A) Cellulose and Pectin B) Only sporopollenin C) Lignin and Pectin D) Pectin and Sporopollenin

Correct option:(A)Cellulose and Pectin

Solution:

• Pollen tube is formed by the germination of the vegetative nucleus.
• It has the wall made up of cellulose and pectin only.
• Exine is the outer covering of pollen grain which is highly sculptured with sporopollenin.