Question

Name the process of entry of pollen tube through micropyle.

• A. Porogamy
• B. Mesogamy
• C. Chalazogamy
• D. Pseudogamy

Answer 1

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.