Question

Identify ‘a’ and ‘b’ in the image given below

• A. a - vegetative cell, b - generative cell
• B. a - generative cell, b - vegetative cell
• C. a - generative cell, b - nucleus
• D. a - nucleus, b - vegetative cell

Answer 1

The correct option is A a - vegetative cell, b - generative cell

Mature pollen grain contains two cells, the vegetative cell and generative cell. The vegetative cell is bigger in size than the generative cell. The generative cell floats in the cytoplasm of vegetative cell.
Vegetative cell has an irregularly shaped nucleus. It has a large amount of food reserve.
Generative cell is spindle in shape and has a dense cytoplasm and a nucleus. It divides mitotically to form 2 male gametes.