AIPMT PRELIMS2005Zoology-Developmental Biology
AIPMT PRELIMS 2005 Zoology Embryonic Development MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Grey crescent is the area:
A
at the point of entry of sperm into ovum
B
just opposite to the site of entry of sperm into ovum
C
at the animal pole
D
at the vegetal pole
Correct Answer
Option B
Detailed Explanation
The grey crescent forms opposite the point of sperm entry and is crucial for establishing the body axis in amphibian embryos.
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