Multiple choice

Which of the following statements are false? P. Male gametophyte of angiosperms is shed as four celled pollen grain. Q. Perisperm is disintegrated secondary nucleus. R. Microspores develop into male gametophytes. S. The embryo sac is the female gametophyte of angiosperms. Select the correct answer using codes given below:

  1. P and Q

  2. P and R

  3. P and S

  4. Q and R

  5. Q and S
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In 60% of angiosperms, pollen grains are shed at this 2-celled stage. In others, the generative cell divides mitotically to form two male gametes before pollen grains are shed (3-celled stage). Microspores develop into male gametophytes and are usually smaller than megaspores.

Keep practicing — related questions