Question

Which of the following event mainly affected in the absence of generative cell within pollen-grain?

• A. Entry of pollen-tube inside the embryo sac
• B. Double fertilization
• C. Growth of pollen-tube inside the style
• D. All of the above

Answer 1

Answer: (B)

Double fertilization

• In the absence of generative cells within pollen grain, there will be no male gametes and fertilization can not take place.
• The function of the vegetative cell is to extend a pollen tube to tansport the two sperm cells to the embryo sac for fertilization.

So, option A is the correct option.