Receptors for sperm binding in mammals are present on:
1. | Perivitelline space | 2. | Zona pellucida |
3. | Corona Radiata | 4. | Vitelline membrane |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMeiotic division of the secondary oocyte is completed:
1. At the time of copulation
2. After zygote formation
3. At the time of fusion of a sperm with an ovum
4. Prior to ovulation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyExtrusion of the second polar body from the egg nucleus occurs:
1. | simultaneously with the first cleavage |
2. | after entry of sperm but before fertilization |
3. | after fertilization |
4. | before entry of sperm into the ovum |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology