Which of the following cells during gametogenesis is normally diploid?

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

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 79%
From NCERT
NEET - 2015
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Menstrual flow occurs due to the lack of:
1. FSH
2. Oxytocin
3. Vasopressin
4. Progesterone
Subtopic:  Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
 83%
From NCERT
AIPMT - 2013
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What is the correct sequence of sperm formation?
1. spermatogonia, spermatocyte, spermatozoa, spermatid
2. Spermatogonia, spermatozoa, spermatocyte, spermatid
3. Spermatogonia, spermatocyte, spermatid, spermatozoa
4. Spermatid, spermatocyte, spermatogonia, spermatozoa
Subtopic:  Seminiferous Tubules & Spermatogenesis |
 72%
From NCERT
AIPMT - 2013
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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

Subtopic:  Male Reproductive System |
 82%
From NCERT
AIPMT - 2014
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The main function of mammalian corpus luteum is to produce:

1. Oestrogen only

2. progesterone

3. human chorionic gonadotropin

4. relaxin only

Subtopic:  Menstrual Cycle: Luteal Phase |
 87%
From NCERT
AIPMT - 2014
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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 facilitate implantation of the embryo
3. High level of hCG stimulates the synthesis if estrogen and progesterone
4. High level of hCG stimulates the thickening of the endometrium.

Subtopic:  Embryonic Development till Gastrulation |
 53%
AIPMT - 2014
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Which one of the following is not the function of placenta?

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

Subtopic:  Fetal Development & Parturition |
 71%
From NCERT
AIPMT - 2013
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Which one of the following statements is false in respect of viability of mammalian sperm?

1. Sperm is viable for only up to 24 hours
2. Survival of sperm depends on the pH of the medium and is more active in alkaline medium
3. Viability of sperm is determined by its motility
4. Sperms must be concentrated in a thick suspension

Subtopic:  Semen and Male Fertility |
 58%
AIPMT - 2012
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Signals for parturition originate from:

1. Both placenta as well as fully developed foetus

2. Oxytocin released from maternal pituitary

3. Placenta only

4. Fully developed foetus only

Subtopic:  Fetal Development & Parturition |
 85%
From NCERT
AIPMT - 2012
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In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was:

1. High level of circulating FSH and LH in the uterus to stimulate implantation of the embryo
2. High level of circulating HCG to stimulate endometrial thickening
3. High levels of FSH and LH in uterus to stimulate endometrial thickening
4. High level of circulating HCG to stimulate oestrogen and progesterone synthesis

Subtopic:  Embryonic Development till Gastrulation |
 67%
AIPMT - 2012
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