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Human Reproduction · Question 100

AIPMT 2006MCQEasy📈 Topic in 75% papers+4−1
1

Sertoli cells are regulated by the pituitary hormone known as-

  1. LH
  2. FSH
  3. GH
  4. Prolactin

Answer

(2) FSH

Solution

As per NCERT, at puberty GnRH from the hypothalamus stimulates the anterior pituitary to secrete LH and FSH.

⇒ LH acts on the Leydig cells and stimulates synthesis and secretion of androgens.

⇒ FSH acts on the Sertoli cells and stimulates secretion of some factors which help in spermiogenesis.

∴ Sertoli cells are regulated by FSH.

Answer: (2)

AIPMT 2006

Keep practising — Human Reproduction

2

Withdrawal of which of the following hormones is the immediate cause of menstruation?

  1. Progesterone
  2. FSH
  3. FSH-RH
  4. Estrogen
AIPMT 2006
3

Grey crescent is the area -

  1. Just opposite to the site of entry of sperm into ovum
  2. At the point of entry of sperm into ovum
  3. At the vegetal pole
  4. At the animal pole
AIPMT 2005
4

If mammalian ovum fails to get fertilized, which one of the following is unlikely?

  1. Corpus luteum will disintegrate
  2. Estrogen secretion further decreases
  3. Primary follicle starts developing
  4. Progesterone secretion rapidly declines
AIPMT 2005
5

Ovulation in the human female normally takes place during the menstrual cycle

  1. At the beginning of the proliferative phase
  2. At the mid secretory phase
  3. Just before the end of the secretory cycle
  4. At the end of the proliferative phase
AIPMT 2004
6

Which of the following hormones is not a secretion product of human placenta?

  1. Estrogen
  2. Progesterone
  3. Prolactin
  4. Human chorionic gonadotropin
AIPMT 2004
7

Bartholin's glands are situated

  1. on the sides of the head of some amphibians
  2. at the reduced tail end of birds
  3. on either side of vagina in humans
  4. on either side of vas deferens in humans.
AIPMT 2003
8

During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called:

  1. Organizer phenomena
  2. Pattern formation
  3. Axis formation
  4. Anamorphosis
AIPMT 2003
9

Mainly which type of hormones control the menstrual cycle in human beings?

  1. FSH
  2. LH
  3. FSH, LH, estrogen
  4. progesterone
AIPMT 2002
10

What is true for cleavage?

  1. Size of embryo decreases
  2. Size of embryo increases
  3. Size of cells increases
  4. Size of cells decreases
AIPMT 2002
11

Which set is similar?

  1. Corpus luteum – Graafian follicles
  2. Sebum – Sweat
  3. Bundle of His – Pacemaker
  4. Vitamin B7 – Niacin
AIPMT 2001

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