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NEET UG BIOLOGY MCQ: HUMAN REPRODUCTION
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When the sperm reaches the ovum, it must first gain entry into the ovum by crossing its protective covering. Which hormone helps in degenerating the outer covering?
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Correct option: D
Hyaluronidase
Option D (Hyaluronidase) is correct because hyaluronidase, an enzyme present in the acrosome of the sperm, helps to break down the hyaluronic acid that holds the cells of the corona radiata together, allowing the sperm to penetrate the ovum.
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A regular cycling woman is not menstruating which one of the following is the most likely root cause of this?
Some important events in the human female reproductive cycle are given below. Arrange the events in proper sequence.
I.Secretion of FSH
II.Growth of cropus luteum
III.Growth of the follicle and oogenesis
IV.Ovulation
V.Sudden increase in the levels of LH
Which cells produce the enzymes that allow embryonic implantation? Find out the mismatch from the following homologous organs. In females, secondary oocyte completes meiosis II during Which type of immuno globin is/are abundantly found in foetus?
I.Secretion of FSH
II.Growth of cropus luteum
III.Growth of the follicle and oogenesis
IV.Ovulation
V.Sudden increase in the levels of LH
Which cells produce the enzymes that allow embryonic implantation? Find out the mismatch from the following homologous organs. In females, secondary oocyte completes meiosis II during Which type of immuno globin is/are abundantly found in foetus?