The definition of hormone describes them as having all the following features except:

1. non-nutrient chemicals 2. intra-cellular messengers
3. produced in trace amounts 4. act on distant target organs
Subtopic:  Intro to Hormones & Endocrine Glands |
 73%

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Consider the two statements:
Assertion (A): Apart from the organised endocrine glands, hormones are secreted by other parts of the human body as well.
Reason (R): Hormone is any non-nutrient chemical which acts as intercellular messenger and is produced in trace amounts.
1. Both (A) and (R) are correct and (R) explains the (A).
2. Both (A) and (R) are correct but (R) does not explain the (A).
3. (A) is correct and (R) is incorrect.
4. Both (A) and (R) are incorrect.
Subtopic:  Hormones: General Consideration | Intro to Hormones & Endocrine Glands |

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Somatostatin from the hypothalamus:
1. stimulates secretion of insulin and glucagon by pancreas
2. inhibits secretion of insulin and glucagon by pancreas
3. stimulates secretion of growth hormone from anterior pituitary
4. inhibits secretion of growth hormone from anterior pituitary

Subtopic:  Adenohypophysis & Hypothalamus |
 80%
From NCERT

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Identify the incorrectly matched pair:

1.

Hyposecretion of growth hormone in childhood

Dwarfism

2.

Hyposecretion of growth hormone in adulthood

Cretinism

3.

Hypersecretion of growth hormone in childhood

Gigantism

4.

Hypersecretion of growth hormone in adulthood

Acromegaly

Subtopic:  Adenohypophysis & Hypothalamus |
 87%
From NCERT

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The only hormone secreted by pars intermedia of hypophysis is:

1. MSH 2. GnRH
3. Vasopressin 4. Prolactin
Subtopic:  Adenohypophysis & Hypothalamus |
 91%
From NCERT

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Pars distalis is:
1. the posterior lobe of pituitary made of neural tissue
2. the well developed intermediate lobe of pituitary in humans
3. the major part of the adenohypophysis
4. the connection between anterior pituitary and hypothalamus

Subtopic:  Adenohypophysis & Hypothalamus |
 74%
From NCERT

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All the following hormones are produced by anterior pituitary except:

1. Gonadotropins 2. ACTH
3. Prolactin 4. Melatonin
Subtopic:  Adenohypophysis & Hypothalamus |
 81%
From NCERT

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ADH and oxytocin are synthesized by:

1. Anterior pituitary 2. Hypothalamus
3. Pars intermedia 4. Pars nervosa
Subtopic:  Adenohypophysis & Hypothalamus | Prolactin & Posterior Pituitary |
 64%
From NCERT

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The arrow shows an area of the brain with a number of important functions including linking the nervous system to the endocrine system via the pituitary gland. This area must be:
1. Hypophysis 2. Hypothalamus
3. Corpora quadrigemina 4. Mammillary body
Subtopic:  Adenohypophysis & Hypothalamus |
 85%

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Which of the following endocrine glands is under direct neural regulation of hypothalamus?

1. Pineal 2. Adrenal medulla
3. Posterior pituitary 4. Anterior pituitary
Subtopic:  Prolactin & Posterior Pituitary |
 86%
From NCERT

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