Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilisation.
1. Insulin 
2. Glucagon 
3. Secretin 
4. Gastrin 

Subtopic:  Pancreas: I | Pancreas |
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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:  Gonadotropin & Gonadal Hormones |
 75%
NEET - 2016
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The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are 

1. cristae

2. grana

3. stroma lamellae

4. stroma

Subtopic:  Plastids |
 83%
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NEET - 2015
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Fight or flight reactions cause activation of 

1. the parathyroid glands, leading to increased metabolic rate

2. the kidney, leading to suppression of reninangiotensin-aldosterone pathway

3. the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine

4. the pancreas leading to a reduction in the blood sugar levels

Subtopic:  Adrenal Medulla |
 92%
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NEET - 2014
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Select the answer which correctly matches the endocrine gland with the hormone it

secretes and its function/deficiency symptom

__________________________________________________________________
       Endocrine gland       Hormone                 Function/deficiency symptoms
__________________________________________________________________
1. Anterior pituitary        Oxytocin                 Stimulates uterus contraction during
                                                                    child birth

2. Posterior pituitary       Growth                    Oversecretion stimulates abnormal
                                      Hormone(GH)            growth

3. Thyroid gland             Thyroxine                 Lack of iodine in diet results in goitre

4. Corpus Luteum            Testosterone             Stimulates spermatogenesis
_____________________________________________________________________

Subtopic:  Thyroid Gland Part I |
 86%
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NEET - 2013
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Which one of the following pairs of hormones are the examples of those that can easily

pass through the cell membrane of the target cell and bind to a receptor inside it (mostly

in the nucleus)?

1. Insulin and glucagon

2. Thyroxin and insulin

3. Somatostatin and oxytocin

4. Cortisol and testosterone

Subtopic:  Mechanism of Hormone Action |
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NEET - 2012
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Given ahead is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B and C.

Gland

Secretion

Effect on body

A

 

Alpha cells of islets of     Langerhans

Anterior pituitary

Oestrogen

 

B


C

Maintenance of secondary sexual characters

Raises blood sugar level

Over secretion leads to gigantism

Options :

      A                B                 C

1. Placenta  Insulin         Vasopressin
2. Ovary     Insulin         Calcitonin      
3. Placenta  Glucagon     Calcitonin
4. Ovary     Glucagon     Growth hormone

Subtopic:  Human Growth Hormone | Gonadotropin & Gonadal Hormones | Pancreas: I | Pancreas |
 88%
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NEET - 2011
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Low Ca2+ in the body fluid may be the cause of 

1. tetany

2. anaemia

3. angina pectoris

4. gout

Subtopic:  Parathyroid |
 82%
NEET - 2010
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Which one of the following pairs is incorrectly matched?

1. Glucagon - Beta cells (source)

2. Somatostatin - Delta cells (source)

3. Corpus luteum - Relaxin (secretion)

4. Insulin - Diabetes mellitus (disease)

Subtopic:  Pancreas: I | Pancreas |
 75%
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NEET - 2010
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In human adult females, oxytocin

1. is secreted by anterior pitutiary

2. Stimulates growth of mammary glands

3. Stimulates pitutary to secrete vasopressin 

4. causes strong uterine contractions during parturition 

Subtopic:  Prolactin & Posterior Pituitary |
 87%
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NEET - 2008
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