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4 marks (−1)

Which one of the following statements is wrong?

  1. A
    Intine is made up of cellulose and pectin.
  2. B
    When pollen is shed at two-celled stage, double fertilization does not take place.
  3. C
    Vegetative cell is larger than generative cell.
  4. D
    Pollen grains in some plants remain viable for months.

Solution & Step-by-step Explanation

Even if pollen is shed at the -celled stage, the generative cell divides into two male gametes after the pollen tube starts growing. Therefore, double fertilization does take place. Statement B is wrong.

Practice this question

Try it yourself before checking the explanation above.

Which one of the following statements is wrong?
A
Intine is made up of cellulose and pectin.
B
When pollen is shed at two-celled stage, double fertilization does not take place.
C
Vegetative cell is larger than generative cell.
D
Pollen grains in some plants remain viable for months.

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