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Pollen Pistil Interaction

Which of the ...

Question

Which of the following is not a pre-fertilization event in flowering plants?

A

Porogamy

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B

Formation of the primary endosperm nucleus

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C

Formation of the secondary nucleus

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D

Meiosis in the megaspore mother cell

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Solution

The correct option is B Formation of the primary endosperm nucleus
The primary endosperm nucleus is formed when a male gamete fuses with the secondary nucleus during fertilization.

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Q. Very short answer type :
Arrange the following in chronological order in the life-cycle of an angiosperm . (a) flower, (b) sporophytic plant, (c) seed, (d) fertilization, (e) megaspore-microspore, (f) endosperm-embryo, (g) megaspore mother cell-microspore mother cell, (h) female gametophyte with egg-male gametophyte with sperm nuclei.

Q. Trace the development of megaspore mother cell upto the formation of a mature embryo sac in a flowering plant.

Q. Which of the following is not a pre-fertilization event in higher organisms?

Q. Which of the following is not a pre-fertilisation event in flowering plants?

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