Q. What happens during fertilization in humans after many sperms reach close to the ovum : (a) Only two sperms nearest the ovum penetrate zona pellucida. (b)Secretions of acrosome help…
Q. About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called as LH-surge) normally occurs : (a) 20th day (b) 14th day (c) 20th day (d) 5th day…
Q. The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for : (a) Maintaining the scrotal temperature lower than the…
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