Question

Draw a diagram of a male gametophyte of an angiosperm. Label any four parts. Why is sporopollenin considered the most resistant organic material?

Answer 1

Male gametophyte of an Angiosperms.

Explanation:

Male Gametophyte: It is also known as microgametophyte which is formed within the anther.

• The male gametophyte of angiosperms possess two haploid nuclei that is the germ nucleus and the tube nucleus. These nuclei are present within the exine of the Pollen grain or Microspore.

• Sporopollenin is considered as the most resistant organic material because sporopollenin is chemically a stable compound. It can withstand high temperature, alkaline and acidic conditions as well as enzymes.

Answer 2

Explanation:

is correct answer 1) male gametophyte