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प्रश्न
State the Function of Relaxin.
Give the role of the hormone Relaxin.
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उत्तर
- It relaxes pelvic ligaments and softens the cervix during childbirth.
- It helps in preparing the birth canal for delivery.
संबंधित प्रश्न
| Hormones | Target gland |
| Gonadotrophins (LH, FSH) | ______ |
Describe the T. S. of thyroid gland
_______ maintains basic metabolic rate.
(A) Thyroxine
(B) ADH
(C) GH
(D) Oxytocin
Draw an outline figure of the human body and show the location of different endocrine glands.
Name the following:
The largest endocrine gland.
State whether the following statement is true or false. If false, rewrite changing the word.
The pituitary gland is both exocrine and endocrine in function.
Which gland is responsible for the following disease?
Goitre
Name the hormone responsible for the following function:
Regulates the functioning of the male and female reproductive organs.
Which parts of the alimentary canal produce hormones?
Is the following gland an exocrine or an endocrine gland?
Salivary gland
Organs like the stomach and intestine are also endocrine glands. Why?
Differentiate: Hormones and Enzyme.
Differentiate: Insulin and Glucagon.
Differentiate: Gigantism and Acromegaly.
Give the Technical Term: The structure which controls the master gland.
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).
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 |
Comment on Acini of thyroid gland.
Growth hormone is important for normal growth. Justify the statement.
