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प्रश्न
What are hormones?
उत्तर
Hormone is a secretion from some glandular part of the body, which is poured into the blood and acts on the target organs or cells of the same individual, Pituitary gland is known as the "master gland" because it seems to control practically all other endocrine glands.
APPEARS IN
संबंधित प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
In humans, increased thyroxine production results in :
Match the items in Column A with those in Column B. Column A Column B
| Column A | Column B |
| (a) Cretinism | (i) Pituitary gland |
| (b) Diabetes mellitus | (ii) Under the development of infant |
| (c) Increased metabolic rate | (iii) Oversecretion of thyroxine |
| (d) Simple goitre | (iv) Insufficient iodine in food |
| (e) Growth hormone | (v) Insufficient insulin in the blood. |
Multiple choice question. Tick (✓) the correct choice:
Chemical control in organisms is brought about by
- enzymes
- neurons
- hormones
- all the above.
Fill in the blank:
The hormone insulin is secreted by ____________.
State whether the following statement is true (T) or false (F):
For hormones to be effective in their actions, they are required in sufficiently large quantities.
Find the odd-one out, giving reason:
Pituitary, adrenal, thyroid, salivary gland
Identify the secondary messenger(s).
Dwarfism results due to deficiency of which hormone?
Iodine is necessary for the synthesis of which hormone?
Give the characteristics of hormones pertaining to manner of transportation.
