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Human Reproduction · Question 55

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

Which of the following cells during gametogenesis is normally diploid?

  1. Spermatogonia
  2. Secondary polar body
  3. Primary polar body
  4. Spermatid

Answer

(1) Spermatogonia

Solution

As per NCERT, the spermatogonia (sperm mother cells) are diploid and contain 46 chromosomes; they multiply by mitosis.

The primary polar body and the secondary polar body are formed after meiosis and are haploid; spermatids are also haploid.

∴ Spermatogonia are normally diploid.

Answer: (1)

AIPMT 2015 (Cancelled)

Keep practising — Human Reproduction

2

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)
3

Hysterectomy is surgical removal of

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

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)
5

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
6

The main function of mammalian corpus luteum is to produce

  1. estrogen only
  2. progesterone
  3. human chorionic gonadotropin
  4. relaxin only
AIPMT 2014
7

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
8

What is the correct sequence of sperm formation?

  1. Spermatogonia, spermatozoa, spermatocytes, spermatids
  2. Spermatogonia, spermatocytes, spermatids, spermatozoa
  3. Spermatids, spermatocytes, spermatogonia, spermatozoa
  4. Spermatogonia, spermatocytes, spermatozoa, spermatids
NEET 2013
9

Which of the following is not the function of placenta?

  1. Facilitates supply of oxygen and nutrients to embryo
  2. Secretes estrogen
  3. Facilitates removal of carbon dioxide and waste material from embryo
  4. Secretes oxytocin during parturition
NEET 2013
10

Menstrual flow occurs due to lack of :

  1. Progesterone
  2. FSH
  3. Oxytocin
  4. Vasopressin
NEET 2013
11

The foetal ejection reflex in humans triggers the release of

  1. oxytocin from foetal pituitary
  2. human chorionic gonadotropin (hCG) from placenta
  3. oxytocin from maternal pituitary
  4. human placental lactogen (hPL) from placenta
NEET 2013 (Karnataka)

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