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Question

Name the process of entry of pollen tube through micropyle.


A

Porogamy

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B

Mesogamy

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C

Chalazogamy

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D

Pseudogamy

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Solution

The correct option is A

Porogamy


The correct option is A.

Explanation for correct option:

  1. Porogamy is the type of fertilization.
  2. The entrance of a pollen tube in a seed-bearing plant through the micropyle to the ovule.

Explanation for incorrect options:

Option B:

  1. Mesogamy is fertilization.
  2. The pollen tube enters the ovule through its middle part or through the integument of the ovule.

Option C:

  1. Chalazogamy is a type of fertilization.
  2. The pollen tube enters the embryo sac through the chalaza tissue.

Option D:

  1. Pseudogamy is a form of apomixis.
  2. The embryo develops from the female gamete due to stimulation of pollination but fertilization does not occur.

Final answer: The process of entry of pollen tube through micropyle is known as porogamy.


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