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Daily Practice Paper DPP 5 – Fertilization & (Cleavage Part 1)

DPP 5                Topic: Fertilization & (Cleavage Part 1)               No. of Questions 126   What helps in the penetration of egg by the sperm (a) Fertilizin (b) Antifertilizin (c) Sperm lysin (d) Fertilization membrane   After a sperm has penetrated an ovum in the process of fertilization, entry of further sperms is prevented by   (a) […]