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प्रश्न
Give the special function of the following:
Corpus luteum
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उत्तर
The corpus luteum secretes progesterone, which is essential for maintaining the uterine lining (endometrium) and supporting early pregnancy.
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संबंधित प्रश्न
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 |
Mention any two differences between a hormone and an enzyme.
Compare the hormonal response with the nervous response with respect to their speed, transmission and the general nature of changes brought about.
What is the chemical nature of hormone?
Differentiate: Nervous control and Hormonal control.
Differentiate: Gigantism and Acromegaly.
Name the Following: Hormone secreted by corpus luteum.
Choose the Odd One Out
Choose the Odd One Out
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column A | Column B |
| (i) Pituitary | (a) produces male sex characteristics |
| (ii) Ovaries | (b) decreases blood sugar level |
| (iii) Thyroid | (c) increases heart and breathing rate raises blood pressure |
| (iv) Thymus | (d) produces female sex characteristics |
| (v) Adrenals | (e) is known as emergency hormone |
| (vi) Hypothalamus | (f) regulates the level of calcium and phosphorus |
| (vii) Pancreas | (g) increases the rate of metabolism |
| (viii) Testes | (h) maintains the level of calcium |
| (ix) Parathyroid | regulates the amount of water excreted in the urine. |
| (x) Cretinism | (j) simulates skeletal growth |
| (xi) Diabetes mellitus | (k) regulates the activities of other glands |
| (xii) Insulin shock | (l) stimulates the development of male and female sex organs |
| (xiii) Gigantism | (m) Shortage of glucose in the blood. |
| (xiv) Enlargement of breasts in adult males | (n) Over-secretion of growth hormone |
| (xv) Exophthalmic goiter | (o) Excess of glucose in the blood |
| (xvi) Acromegaly | (p) Over-secretion of thyroxin |
| (xvii) Addison’s disease | (q) Dwarfism and mental retardation |
| (xviii)Cretinism | (r) Over-secretion of cortical hormones |
| (xix) Dwarfism | (s) Under-secretion of the adrenal cortex |
| (xx) Adrenalin | (t) Under-secretion of thyroxin in children |
| (xxi) Vasopressin | (u) Over-secretion of growth hormones in adults |
