Male GametophyteÂ

Q.

What is the function of a germ pore in a pollen grain?

Q.

Sporopollenin can protect pollen grains from adverse environmental conditions and also maintain their viability over several years.

1. True

2. False

Q.

Which among the following substances is exine of pollen grain made up of?

1. Pectin

2. Sporopollenin

3. Suberin

4. Cellulose

Q.

The germ pores in the pollen grain are the regions

1. that can withstand high temperature and strong acids and alkalies

2. through which sperms are released into the female gametophyte

3. which are made up of lignin and suberin

4. which lack sporopollenin

Q.

Technically stamens are called microsporophyll. True or false?

1. True

2. False

Q.

Parthenium came to India as a seed contaminant along with

1. Rice

2. Maize

3. Wheat

4. None of the above

Q.

Sporopollenin is one of the most resistant organic material.

1. True

2. False