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Q. No.
Consider the given two statements:
Statement I: A hypothalamic hormone called Gonadotrophin releasing hormone (GnRH) stimulates the synthesis and release of gonadotrophins by gonads.
Statement II: Somatostatin from the hypothalamus stimulates the release of growth hormone from the pituitary.
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Gonadotropin & Gonadal Hormones |
From NCERT
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How many of the given statements are correct?
I: In males, LH stimulates the synthesis and secretion of hormones called androgens from testis.
II: In males, FSH and androgens regulate spermatogenesis.
III: In females, LH induces ovulation of fully mature follicles (graafian follicles) and maintains the corpus luteum, formed from the remnants of the graafian follicles after ovulation.
IV: FSH stimulates growth and development of the ovarian follicles in females.
 
1. 1 2. 2
3. 3 4. 4
Subtopic:  Gonadotropin & Gonadal Hormones |
 88%
From NCERT
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R): 
Assertion (A): Oxytocin helps in parturition and causes milk ejection from the mammary glands.
Reason (R): Oxytocin acts on the smooth muscles of our body and stimulates their contraction.
In the light of the above statements choose the correct answer from the options given below:
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Gonadotropin & Gonadal Hormones |
 79%
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In males, androgens like testosterone secreted by Leydig cells in testes do not:

1. regulate the development, maturation and functions of the male accessory sex organs
2. control the development and regulation of the secondary sexual characters
3. play a major stimulatory role in the process of spermatogenesis
4. produce catabolic effects on protein and carbohydrate metabolism
Subtopic:  Gonadotropin & Gonadal Hormones |
 82%
From NCERT
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Interstitial cells of Leydig in human testes produce a group of hormones called
1. Androgens 2. Estrogens
3. Aldosterone 4. Gonadotropins
Subtopic:  Gonadotropin & Gonadal Hormones |
 94%
From NCERT
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Androgens:
I: regulate the development, maturation and functions of the male accessory sex organs.
II: stimulate muscular growth, growth of facial and axillary hair, aggressiveness, low pitch of voice etc.
III: play a major stimulatory role in the process of spermatogenesis (formation of spermatozoa).
IV: act on the central neural system and influence the male sexual behaviour (libido).
V: produce anabolic (synthetic) effects on protein and carbohydrate metabolism.
1. Only I, II and III are correct
2. Only II, III and V are correct
3. Only III, IV and V are correct
4. I, II, III, IV and V are correct
Subtopic:  Gonadotropin & Gonadal Hormones |
 92%
From NCERT
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Consider the following regarding the actions of steroidal hormones produced by human ovary:

I: Estrogen is responsible for the development and maintenance of secondary sexual characters in females
II: Progesterone is a pregnancy hormone
III: Estrogen regulates female sexual behavior
IV: Progesterone stimulates the formation of alveoli in mammary glands

Select correct statements from above statements

1. I, II and III 2. I, II and IV
3. II, III and IV 4. I, II, III and IV
Subtopic:  Gonadotropin & Gonadal Hormones |
 73%
From NCERT
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Consider the given two statements:
Statement I: Estrogens stimulate growth and activities of female secondary sex organs, development of growing ovarian follicles, and appearance of female secondary sex characters.
Statement II: Progesterone supports pregnancy.
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Gonadotropin & Gonadal Hormones | Summary |
From NCERT
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Consider the given two statements:
Statement I: The estrogen is synthesised and secreted mainly by the growing ovarian follicles.
Statement II: After ovulation, the ruptured follicle is converted to a structure called corpus luteum, which secretes mainly progesterone.
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic:  Gonadotropin & Gonadal Hormones |
 93%
From NCERT
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