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Q. No.Thyroxine brings about effects on target cells by
1. Altering gene expression
2. Activating adenylate cyclase
3. Activating guanylate cyclase
4. Activating G-protein
Subtopic: Thyroid Gland Part I | Thyroid Gland Part II |
63%
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Which of the following works in association with cytoplasmic or nuclear receptors?
1. Insulin
2. Somatostatin
3. Oxytocin
4. Estrogen
1. Insulin
2. Somatostatin
3. Oxytocin
4. Estrogen
Subtopic: Mechanism of Hormone Action |
72%
From NCERT
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In which of the following glands tissue mass is differentiated into cortex and medulla?
1. Adrenal
2. Pituitary
3. Thymus
4. Both (1) and (3)
1. Adrenal
2. Pituitary
3. Thymus
4. Both (1) and (3)
Subtopic: Adrenal Medulla | Adrenal Cortex: Aldosterone |
From NCERT
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Which of the following hormones is/are responsible for inducing ovulation?
1. LH
2. Estrogen
3. hCG
4. Progesterone
1. LH
2. Estrogen
3. hCG
4. Progesterone
Subtopic: Adenohypophysis & Hypothalamus |
82%
From NCERT
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Which of the following hormones works from outside the cell?
1. Estrogen
2. Cortisol
3. Insulin
4. Thyroxine
1. Estrogen
2. Cortisol
3. Insulin
4. Thyroxine
Subtopic: Mechanism of Hormone Action |
74%
From NCERT
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Which of the following is/are correct about catecholamines?
(a) Water soluble
(b) Lipid soluble
(c) Work through seconds messengers
(d) Alter gene expression
1. (a) and (d)
2. (a) and (c)
3. (a), (c) and (d)
4. (b) and (d)
(a) Water soluble
(b) Lipid soluble
(c) Work through seconds messengers
(d) Alter gene expression
1. (a) and (d)
2. (a) and (c)
3. (a), (c) and (d)
4. (b) and (d)
Subtopic: Adrenal Medulla |
50%
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Hormonal action initiates an expanding cascade of responses. This is known as ________________.
1. Amplification
2. Synergistic effect
3. Antagonistic effect
4. Positive feed back
1. Amplification
2. Synergistic effect
3. Antagonistic effect
4. Positive feed back
Subtopic: Mechanism of Hormone Action |
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Male hypogonadism results in
1. Deficiency of androgens
2. Hypofunction of Sertoli cells
3. Hypofunction of Leydig cells
4. All of these
1. Deficiency of androgens
2. Hypofunction of Sertoli cells
3. Hypofunction of Leydig cells
4. All of these
Subtopic: Misc. Hormones |
84%
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Melatonin influences
1. Diurnal rhythm
2. Menstrual cycle
3. Defense capability
4. All of these
1. Diurnal rhythm
2. Menstrual cycle
3. Defense capability
4. All of these
Subtopic: Pineal Gland |
94%
From NCERT
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Action soluble hormone is executed through secondary messenger. All of the following are secondary messengers except
1. cAMP
2. cGMP
3. Ca2+
4.ATP
1. cAMP
2. cGMP
3. Ca2+
4.ATP
Subtopic: Mechanism of Hormone Action |
74%
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