KCET · BIOLOGY · STD 12 - 1. Sexual Reproduction in Flowering Plants
When pollen grain is shed at 3-celled stage, name the cells it contains.
- A 1 vegetative cell and 2 male gametes
- B 2 vegetative cells and 1 male gamete
- C 2 generative cells and I male gamete
- D 2 male gametes and 1 generative cell
Answer & Solution
Correct Answer
(A) 1 vegetative cell and 2 male gametes
Step-by-step Solution
Detailed explanation
(A) 1 vegetative cell and 2 male gametes,
When a pollen grain is shed it may have two cells or three cells. At three celled stage it has the following cells: One large vegetative cell and two male gametes.
When a pollen grain is shed it may have two cells or three cells. At three celled stage it has the following cells: One large vegetative cell and two male gametes.
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