Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?

1. Foetus 

2. Uterus

3. Graafian follicle

4. Corpus luteum

Subtopic:  Fetal Development & Parturition |
NEET - 2021
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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

Subtopic:  Fetal Development & Parturition |
NEET - 2021
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NEET 2023 - Target Batch - Aryan Raj Singh
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Receptors for sperm binding in mammals are present on:

1. Perivitelline space  2. Zona pellucida
3. Corona Radiata 4. Vitelline membrane
Subtopic:  Fertilization |
 81%
NEET - 2021
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Which set is similar:
1.  Corpus luteum – Graafian follicles
2.  Sebum-sweat
3.  Bundle of his – Pacemaker
4.  Vita B7 - Niacin

Subtopic:  Menstrual Cycle: Luteal Phase |
 81%
From NCERT
AIPMT - 2001
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After ovulation, follicles convert into:
1.  Corpus luteum
2.  Corpus albicans
3.  Corpus cavernosa
4.  Corpus callosum

Subtopic:  Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
 92%
From NCERT
AIPMT - 1999
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Which of these induces the development of corpus Luteum:
1.  LH
2.  Oestrogen
3.  FSH
4.  LTH

Subtopic:  Menstrual Cycle: Luteal Phase |
 65%
From NCERT
AIPMT - 1999
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Ovulation in the human female normally takes place during which phase of the menstrual cycle:

1. Just before the end of the secretory cycle.

2. At the beginning of the proliferative phase.

3. At the end of the proliferative phase.

4. At the mid-secretory phase.

Subtopic:  Menstrual Cycle: Pre Ovulatory Phase |
 72%
From NCERT
AIPMT - 2004
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About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH-surge) normally occurs?
1. 11th day 

2. 14th day

3. 20th day 

4. 5th day

Subtopic:  Menstrual Cycle: Luteal Phase |
 95%
From NCERT
AIPMT - 2011
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What happens during fertilisation in humans after many sperms reach close to the ovum?

1. Only two sperms nearest the ovum penetrate zona pellucida
2. Secretions of acrosome help one sperm enter the cytoplasm of the ovum through zona pellucida
3. All sperms except the one nearest to the ovum lose their tails
4. Cells of corona radiata trap all the sperms except one
Subtopic:  Fertilization |
 83%
From NCERT
AIPMT - 2011
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Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of:

1. Oxytocin from maternal pituitary
2. Oxytocin from foetal pituitary
3. Relaxin from the placenta
4. Estrogen from placenta

Subtopic:  Fetal Development & Parturition |
 87%
From NCERT
AIPMT - 2010
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