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 organ

Subtopic:  Intro to Hormones & Endocrine Glands |
 74%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


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 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:  Hormones: General Consideration | Intro to Hormones & Endocrine Glands |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


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

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

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 |
 88%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The only hormone secreted by pars intermedia of hypophysis is:

1. MSH 2. GnRH
3. Vasopressin 4. Prolactin
Subtopic:  Adenohypophysis & Hypothalamus |
 92%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


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 |
 75%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

All the following hormones are produced by anterior pituitary except:

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

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


ADH and oxytocin are synthesized by:

1. Anterior pituitary 2. Hypothalamus
3. Pars intermedia 4. Pars nervosa
Subtopic:  Adenohypophysis & Hypothalamus | Prolactin & Posterior Pituitary |
 65%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.



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 |
 86%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

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 |
 87%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.