8. The major function of cortical granules in cytoplasm of egg is to (1) Early block to polyspermy (2) Late block to polyspermy (3) Allowing meiosis to complete (4) Helping […]
Tag: CSIR NET Life Science Free Test on Gametogenesis and Fertilization
Tag: CSIR NET Life Science Free Test on Gametogenesis and Fertilization
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Understanding Capacitation and Fertilization: Identifying the Incorrect Statement About Calcium’s Role in Mammalian Egg Activation
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- November 8, 2025
- 20 Comments
7. Which one of the following statements is INCORRECT? (1) Transient rise in Ca2+ is necessary for egg activation in mammals. (2) Sperm induces egg activation and does not involve […]
Understanding Capacitation: The Maturation Process of Mammalian Sperm in the Female Reproductive Tract
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- November 8, 2025
- 23 Comments
Which statement is correct for capacitation? (1) is the maturation of mammalian spermatozoa after entering into oviduct of female. (2) Meiotic division in egg after penetration of sperm (3) Maturation […]
Biggest Disadvantage of Sexual Reproduction Compared to Asexual Reproduction
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- November 8, 2025
- 25 Comments
The biggest disadvantage of sexual reproduction against the asexual reproduction is (1) Only half of genetic material is passed to offspring from each parent (2) Lot of energy and time […]
Fertilization Explained: How Membrane Fusion of Sperm and Egg Leads to Zygote Formation
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- November 8, 2025
- 27 Comments
Fertilization happens when a sperm cell successfully meets an egg cell in the fallopian tube. Zygote formation by sperm and egg is result of – (1) membrane fusion (2) exocytosis […]
Sequence of Events After Sea Urchin Sperm Binds to Egg: What Happens Last?
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- November 8, 2025
- 22 Comments
3. Which of the following is the last to occur after the binding of a sea urchin sperm to an egg? (1) Initiation of mRNA synthesis (2) Increase in cytosolic […]
CSIR NET Life Science Free Test on Gametogenesis and Fertilization
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- July 20, 2025
- No Comments
CSIR NET Life Science Free Test on Gametogenesis and Fertilization by Let’s Talk Academy Master Gametogenesis & Fertilization with Free Online Tests Preparing for the CSIR NET Life Science exam? […]


