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Human Reproduction · Question 54

AIPMT 2015MCQEasy📈 Topic in 25% papers+4−1
1

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.

Answer

(4) implantation of embryo at site other than uterus.

Solution

Normally the blastocyst gets embedded in the endometrium of the uterus; this is called implantation.

∵ In an ectopic pregnancy, the embryo gets implanted at a site other than the uterus, most commonly in the fallopian tube (tubal pregnancy).

∴ Ectopic pregnancy is the implantation of embryo at a site other than the uterus.

Answer: (4)

AIPMT 2015

Keep practising — Human Reproduction

2

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)
3

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)
4

Hysterectomy is surgical removal of

  1. vas deferens
  2. mammary glands
  3. uterus
  4. prostate gland
AIPMT 2015 (Cancelled)
5

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)
6

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
7

The main function of mammalian corpus luteum is to produce

  1. estrogen only
  2. progesterone
  3. human chorionic gonadotropin
  4. relaxin only
AIPMT 2014
8

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
9

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
10

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
11

Menstrual flow occurs due to lack of :

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

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