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Question

Fertilization is the process of


A

Transfer of male gamete to female gamete

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B

Fusion of nuclei of male and female gamete

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C

Adhesion of male and female reproductive organs

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D

The formation of gametes by a reproductive organ

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Solution

The correct option is B

Fusion of nuclei of male and female gamete


The correct option is B.

Explanation for the correct option:

  1. The haploid nucleus of the sperm and that of the ovum fuse during fertilization to form the zygote.
  2. Then the zygote divides into embryos, which develop into the fetus.
  3. The fertilization occurs in the fallopian tube.

Explanations for the incorrect options:

Option A:

  1. The deliberate introduction of sperm into a female animal or plant for the purpose of impregnating or fertilizing the female for sexual reproduction is known as insemination.
  2. The sperm is introduced into a mammal's uterus or an oviparous (egg-laying) animal's oviduct.

Option C:

  1. Adhesion of male and female reproductive organs is known as mating.

Option D:

  1. The formation of gametes by reproductive organs is known as gamete formation.

Final answer: Fertilization is the process of fusion of nuclei of male and female gametes.


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