Question

When pollen tube enters through micropyle, the process is called _______________.

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

Answer 1

Answer: (A)

Porogamy

A. Porogamy : the fertilization of a seed plant involving passage of the pollen tube into the ovule by the micropyle.

B. Chalazogamy : process of fertilization in which the pollen tube penetrates to the embryo sac through the tissue of the chalaza.

C. Mesogamy : When pollen tube enters the ovule through integument, the condition is described as mesogamy

D. Apogamy : It is an asexual method of reproduction in plants where the gametophyte develops from the sporophyte. It is also an asexual method of reproduction where sporophyte develops from the gametophyte.

So, the correct answer is 'Porogamy'