Advertisements
Advertisements
प्रश्न
Name the layers of adrenal cortex and mention their secretions.
Advertisements
उत्तर
The adrenal cortex has three layers namely Zona glomerulosa, Zona fasciculate and Zona reticulate.
- Zona glomerulosa which constitutes 15% of cortex is a thin outer layer that secretes minerals corticoids
- Zona fasciculate the middle widest layer constitutes 75% cortex and secretes glucocorticosteroids such as cortisol, corticosterone and small amount of adrenal androgen and oestrogen.
- Zona reticulate an inner layer of adrenal cortex constitute about 19% of the cortex and secretes adrenal androgen and small amount of estrogen and glucocorticoids.
संबंधित प्रश्न
| Hormones | Target gland |
| Melanotrophin (MSH | ______ |
In the table given below, fill in the blanks by naming endocrine glands, the hormones they secrete, and the function they perform, in a normal person.
| S.No. | Name of the gland | produced | Function |
| 1. | Thyroid | ||
| 2. | Insulin | ||
| 3. | Preparing the body for action | ||
| 4. | (i) Growth hormone (ii) Thyroid-stimulating hormone |
What would a child suffer from if there was hyposecretion from his thyroid?
Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer.
Harmones ‘obey’ the commands like ‘enough, slow down or ‘two little, speed up’
Name the hormone responsible for the following function:
Increased reabsorption of water in the kidneys
Choose the correct answer:
Excess secretion of growth hormone causes ____________
What is the chemical nature of hormone?
Complete the table given below by filling in the blanks numbered 1 to 8.
| Gland | Hormone Secreted | Effect on Body |
| 1 | 2 | Regulates basal metabolism |
| Pancreas (β-cells) | 3 | 4 |
| 5 | 6 | Increases heart beat |
| 7 | Thyroid stimulating hormone | 8 |
The release of progesterone in the urine is an indication of pregnancy. Explain.
Give the Technical Term: Name two hormones secreted by the alimentary canal.
Given alongside are the diagrammatic sketches of some endocrine glands. Observe the figures and answer the following questions:
(i) Label the parts numbered 1 to 5.
(ii) Name the hormones secreted by (2) and (5).
(iii) Which chemicals in our body are greatly affected by hormones?
(iv) What is the chemical nature of hormones?
(v) Name the elements related to the functioning of hormones secreted by the structure (2) and (5).
The sketch below shows a certain condition in an individual:
(i) Name the condition.
(ii) What is the underlying cause of this condition?
(iii) Name two other conditions that could have resulted due to a similar cause.
(iv) Which hormone is required for iodine synthesis?
(v) Where is the thyroid gland located?
(vi) The hormone secreted by the thyroid gland is controlled from which hormone?
State the Function
Testosterone
Choose the Odd One Out
Choose the Odd One Out.
Leydig cells are meant for:
Why do we hiccup and cough sometimes when we swallow food?
Iodised salt is essential to prevent ______.
Comment on homeostasis.
