Question

Chalazogamy is characteristics of

• A. Casuarina
• B. Betula
• C. Cucurbita
• D. Both (A) and (B)

Answer 1

The correct option is D Both (A) and (B)

The entry of pollen tube into the ovule from the chalazal region is known as chalazogamy. Chalazogamy is found in Casuarina, Betula etc.

Pollen tube enters the ovule through the integuments is known as mesogamy. Mesogamy is found in Cucurbita.

So the correct answer is D.