Question

Pollen grain has ______ nucleus/nuclei.

• A. one
• B. two
• C. three
• D. four

Answer 1

The correct option is B

Explanation of the correct option:

1. A pollen grain has two nuclei - a generative nucleus and tube nucleus.
2. The generative nucleus divides in the pollen tube to form two male gametes.
3. The tube nucleus eventually disintegrates.

Explanation of the incorrect option:

Option A,C and D didnot satisfy the appropriate explanation of the given question.

Final answer: Pollen grain has two nucleus/nuclei.