- 1(current)
Q. No.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 |
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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.
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I. The glands located in the region A play a very important role in calcium homeostasis.
II. The gland B increases in size from puberty to adulthood and then decreases in size in old age.
III. C is both an endocrine and an exocrine gland.
IV. D is kidney and does not produce any hormone.
1. I and III only
2. II and IV only
3. I, II and III only
4. II, III and IV only
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In the given diagram, A and B respectively are:
| A | B | |
| 1. | Anterior pituitary | Posterior pituitary |
| 2. | Superior colliculus | Inferior colliculus |
| 3. | Pineal gland | Pituitary gland |
| 4. | Broca’s area | Sella turcica |
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The diagram shows the connection between hypothalamus and pituitary. Identify the correct statements based on the given diagram:
I. A are hypothalamic neurons that produce ADH and Oxytocin
II. B is the infundibulum or pituitary stalk
III. C is a portal vein
IV. D is pars distalis
V. E is pars nervosa
| 1. I and II only | 2. I, II and III only |
| 3. I and III only | 4. II and III only |
| Statement I: | Hormones act on all the cells in the human body. |
| Statement II: | Hormones are intercellular chemical messengers transported by blood throughout the body. |
| 1. | Both Statement I and Statement II are correct |
| 2. | Both Statement I and Statement II are incorrect |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
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- 1(current)
Q. No.
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