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Human Reproduction · Question 51

AIPMT 2015MCQEasy📈 Topic in 75% papers+4−1
1

In human females, meiosis-II is not completed until

  1. uterine implantation
  2. birth
  3. puberty
  4. fertilisation

Answer

(4) fertilisation

Solution

As per NCERT, the primary oocyte completes meiosis I within the tertiary follicle to form the secondary oocyte, which is released at ovulation.

⇒ The entry of sperm into the secondary oocyte induces the completion of its meiotic (meiosis-II) division, forming the ovum and the second polar body.

∴ Meiosis-II is not completed until fertilisation.

Answer: (4)

AIPMT 2015

Keep practising — Human Reproduction

2

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

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

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
4

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
5

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)
6

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)
7

Hysterectomy is surgical removal of

  1. vas deferens
  2. mammary glands
  3. uterus
  4. prostate gland
AIPMT 2015 (Cancelled)
8

Which of these is not an important component of initiation of parturition in humans?

  1. Release of oxytocin
  2. Release of prolactin
  3. Increase in estrogen and progesterone ratio
  4. Synthesis of prostaglandins
AIPMT 2015 (Cancelled)
9

The shared terminal duct of the reproductive and urinary system in the human male is

  1. urethra
  2. ureter
  3. vas deferens
  4. vasa efferentia
AIPMT 2014
10

The main function of mammalian corpus luteum is to produce

  1. estrogen only
  2. progesterone
  3. human chorionic gonadotropin
  4. relaxin only
AIPMT 2014
11

Select the correct option describing gonadotropin activity in a normal pregnant female.

  1. High level of FSH and LH stimulates the thickening of endometrium.
  2. High level of FSH and LH facilitates implantation of the embryo.
  3. High level of hCG stimulates the synthesis of estrogen and progesterone.
  4. High level of hCG stimulates the thickening of endometrium.
AIPMT 2014

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