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NEET UG BIOLOGY MCQ: HUMAN REPRODUCTION
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The sperm and the egg make different contributions to zygote. Which of the following statements about their contributions are there?
i) Sperm contributes most of the mitochondria
ii) Egg contributes most of the cytoplasm
iii) Both sperm and egg contribute haploid nucleus
iv) Both sperm and egg contribute centrioles
i) Sperm contributes most of the mitochondria
ii) Egg contributes most of the cytoplasm
iii) Both sperm and egg contribute haploid nucleus
iv) Both sperm and egg contribute centrioles
View answer and explanation
Correct option: B
(ii) and (iii)
Option B ((ii) and (iii)) is correct because the egg contributes most of the cytoplasm and both sperm and egg contribute a haploid nucleus to form the diploid zygote.
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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?