Several hormones like hCG, hPL, oestrogen, progesterone are produced by:

1. ovary 2. placenta
3. fallopian tube 4. pituitary

Subtopic:  Embryonic Development till Gastrulation |
 91%
From NCERT
NEET - 2016
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Changes in GnRH pulse frequency in females is controlled by circulating levels of:
1. estrogen and inhibin
2. progesterone only
3. progesterone and inhibin
4. estrogen and progesterone
Subtopic:  Introduction to Menstrual Cycle |
 73%
NEET - 2016
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Select the incorrect statement:
1. LH and FSH triggers ovulation in ovary
2. LH and FSH decrease gradually during the follicular phase
3. LH triggers the secretion of androgens from the Leydig cells.
4. FSH stimulates the sertoli cells which help in spermiogenesis
Subtopic:  Introduction to Menstrual Cycle: 2 | Menstrual Cycle: Pre Ovulatory Phase | Introduction to Menstrual Cycle |
 78%
From NCERT
NEET - 2016
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Fertilisation in humans is practically feasible only if?
1. the ovum and sperms are transported simultaneously to the ampullary-isthmic junction of the fallopian tube
2. the ovum and sperms are transported simultaneously to the ampullary-isthmic junction of the cervix
3. the sperms are transported into the cervix within 48 hrs of the release of the ovum in the uterus
4.  the sperms are transported into the vagina just after the release of the ovum in the fallopian tube
Subtopic:  Fertilization: Part 1 | Fertilization: Part 2 | Fertilization |
 88%
From NCERT
NEET - 2016
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Which of the following events is not associated with ovulation in human females?

1. Decrease in Oestradiol

2. Full development of Graafian follicle

3. Release of secondary oocyte

4. LH Surge

Subtopic:  Menstrual Cycle: Luteal Phase |
 81%
From NCERT
NEET - 2015
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In human females, meiosis-II is not completed until?

1. Puberty 2. Fertilization
3. Uterine implantation 4. Birth
Subtopic:  Ovary |
 84%
From NCERT
NEET - 2015
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Which of these is not an important component of the initiation of parturition in humans?
1. Increase in oestrogen and progesterone ratio
2. Synthesis of prostaglandins
3. Release of oxytocin
4. Release of prolactin
Subtopic:  Fetal Development & Parturition |
 56%
NEET - 2015
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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 |
 73%
From NCERT
AIPMT - 2013
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