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NEET UG BIOLOGY MCQ: HUMAN REPRODUCTION
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During fertilization, a sperm comes in contact with the layer of the ovum and induces changes in the membrane that the entry of additional sperms.
Select the correct option for and respectively.
Select the correct option for and respectively.
View answer and explanation
Correct option: A
Zona pellucida and block
Option A (Zona pellucida and block) is correct because the sperm first contacts the zona pellucida, and the cortical reaction blocks polyspermy.
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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?