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प्रश्न
Define the following:
Hormone
उत्तर
Hormone is a molecule that is created and secreted in very minute quantities into the blood stream by an endocrine gland or a specialized nerve cell that governs the growth or functioning of a specific tissue organ in a distant area of the body, e.g., insulin
संबंधित प्रश्न
What is the difference between an exocrine gland and an endocrine gland?
Match the items of column I with those of column II
| Column I | Column II | ||
| 1 | β (beta) cells of islets of Langerhans |
a | condition due to undersecretion of thyroxine in adults |
| 2 | Thyroid | b | Glucocorticoids |
| 3 | Cretinism | c | Exophthalmic goitre |
| 4 | Addison's disease | d | Increases heart beat |
| 5 | Hypothyroidism | e | Thyroxine |
| 6 | Myxoedema | f | Adrenal cortex |
| 7 | Adrenaline Under secretion of thyroxine in a child |
h | Under secretion of thyroxine in a child |
Define the following:
Endocrine gland
Complete the following:
| Gland/Organ | Hormone | Function |
| (i) Stomach | __________ | __________ |
| (ii) Parathyroid | __________ | __________ |
| (iii) __________ | __________ | Lowers blood sugar level. |
| (iv) Adrenal medulla | __________ | __________ |
| (v) Pancreas (Alpha cells) | __________ | __________ |
| (vi) Testes | __________ | __________ |
Give the Technical Term: Name the glands which secrete the following hormone: Testosterone
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).
State the Function
Oestradiol
Vasopressin is concerned with:
Which of the following hormone is not secreted under the influence of pituitary gland?
Choose the odd one out from series and write the category of the remaining terms:
