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Human Reproduction · Question 47

NEET 2016 (Phase 1)MCQMedium📈 Topic in 75% papers+4−1
1

Identify the correct statement on 'inhibin'.

  1. Is produced by granulosa cells in ovary and inhibits the secretion of LH
  2. Is produced by nurse cells in testes and inhibits the secretion of LH
  3. Inhibits the secretion of LH, FSH and prolactin
  4. Is produced by granulosa cells in ovary and inhibits the secretion of FSH

Answer

(4) Is produced by granulosa cells in ovary and inhibits the secretion of FSH

Solution

Inhibin is a glycoprotein hormone secreted by the granulosa cells of the ovary (and by the Sertoli cells of the testis).

⇒ It acts on the anterior pituitary and selectively inhibits the secretion of FSH.

∴ It does not inhibit LH or prolactin, so (1), (2) and (3) are wrong.

Answer: (4)

NEET 2016 (Phase 1)

Keep practising — Human Reproduction

2

Which of the following depicts the correct pathway of transport of sperms?

  1. Rete testis Efferent ductules Epididymis Vas deferens
  2. Rete testis Epididymis Efferent ductules Vas deferens
  3. Rete testis Vas deferens Efferent ductules Epididymis
  4. Efferent ductules Rete testis Vas deferens Epididymis
NEET 2016 (Phase 2)
3

Match column I with column II and select the correct option using the codes given below.

  1. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
  2. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  3. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
  4. (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
NEET 2016 (Phase 2)
4

Several hormones like hCG, hPL, estrogen, progesterone are produced by

  1. ovary
  2. placenta
  3. Fallopian tube
  4. pituitary.
NEET 2016 (Phase 2)
5

In human females, meiosis-II is not completed until

  1. uterine implantation
  2. birth
  3. puberty
  4. fertilisation
AIPMT 2015
6

Which of the following layers in an antral follicle is acellular?

  1. Stroma
  2. Zona pellucida
  3. Granulosa
  4. Theca interna
AIPMT 2015
7

Which of the following events is not associated with ovulation in human life?

  1. Release of secondary oocyte
  2. LH surge
  3. Decrease in estradiol
  4. Full development of Graafian follicle
AIPMT 2015
8

Ectopic pregnancies are referred to as

  1. implantation of defective embryo in the uterus
  2. pregnancies terminated due to hormonal imbalance
  3. pregnancies with genetic abnormality
  4. implantation of embryo at site other than uterus.
AIPMT 2015
9

Which of the following cells during gametogenesis is normally diploid?

  1. Spermatogonia
  2. Secondary polar body
  3. Primary polar body
  4. Spermatid
AIPMT 2015 (Cancelled)
10

Capacitation refers to changes in the

  1. ovum after fertilisation
  2. sperm after fertilisation
  3. sperm before fertilisation
  4. ovum before fertilisation
AIPMT 2015 (Cancelled)
11

Hysterectomy is surgical removal of

  1. vas deferens
  2. mammary glands
  3. uterus
  4. prostate gland
AIPMT 2015 (Cancelled)

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