Question

Sperm enters the egg from

• A. Vegetal pole
• B. Megapyle
• C. Animal pole
  
• D. Micropyle

Answer 1

The correct option is C Animal pole


Ovum
Ovum is the mature female gamete. It possess two poles as follows:

• Animal pole
• Vegetal pole

Animal pole
Animal pole is the region of egg containing the most cytoplasm and least yolk. The ovum nucleus is present towards the animal pole. Thus, sperm enters into the ovum through an animal pole, after dissolving the egg membranes.

Vegetal pole
The vegetable pole is present opposite to the animal pole. It is rich in yolk.

Micropyle
Micropyle is the small opening present towards the animal pole in the ovum through which sperms enter for fertilisation.

Final answer
(A) Animal pole