Class 10 Science Chapter 6 Practice Question Answers - Control and Coordination

Ture or False : 

1. Thyroid gland is the largest endocrine gland of the body.

2. Endocrine part of pancreas is called islets of Langerhans.

3. Progesterone is also known as birth hormone.

4. Follicle stimulating hormone stimulates formation of corpus luteum.

5. Function of Melanocyte Stimulating Hormone in human is not known.

6. Neurohypophysis is associated with Growth Hormone (GH).

7. ADH helps in re-absorption of water from nephron.

8. Thyroid gland regulates the BMR of body.

9. Secretion of exocrine glands is known as hormone.

10. Hypothalamus regulates the secretion of pituitary hormones.

 Fill in the blanks :-

1. Element ........................ is essential for the synthesis of thyroxine.

2. A ........................ mechanism regulates the action of the hormones.

3. Secretion of ductless gland is called .......................

4. Deficiency of insulin hormone causes ........................

5. Deficiency of ........................ causes cretinism in children.

6. Parathormone is also called ........................

7. Pancreas is the type of ........................ gland.

8. ........................ hormone regulates growth and development of the body.

9. ........................ is the only hormone which stored in our body.

10. Spermatogenesis in males and oogenesis in females are stimulated by ........................ hormone.

11. Hyposecretion of ........................ causes diabetes insipidus.

12. ........................ hormone causes ovulation.

13. Insulin is secreted by ........................ and the glucagon by the ........................ of islets of Langerhans.

14. Secretion of milk is stimulated by ........................ while ejection of milk is stimulated by ........................

15. The hormone which controls secondary sexual characters in male is ........................

16. Oxytocin hormone is released by ........................ and help in ........................

17. Anterier lobe of pituitary is also called ........................ while posterior lobe is also termed ........................

18. Hyposecretion of thyroid hormones causes ........................in infants and ........................ in adults.

19. The master gland in human body is ........................

20. Hormones are ........................ substances secreted in ........................ quantities by ........................

Match the column :-

Column A                     Column B

(i) Ovary                        (a) Anti-abortion hormone

(ii) Vasopressin              (b) Testosterone

(iii) Master gland            (c) Throne of Immunity

(iv) Emergency hormone (d) Diabetes mellitus

(v) Insulin                       (e) Diabetes insipidus

(vi) Testes                      (f) Pituitary

(vii) Oxytocin                 (g) Adrenaline

(viii) Parathormone         (h) Birth hormone

(ix) Progesterone           (i) Collip's hormone

(x) Thymosin                 (j) Estrogen

ANSWER KEY

True Or False : 

1. T    2. T   3. F   4. F   5. T

6. F    7. T   8. T   9. F   10. T

Fill In The Blanks :

1. Iodine  2. Feed back  3. Hormone  4. Diabetes mellitus

5. Thyroxine 6. Collip's hormone  7. Heterocrine  8. Growth

9. Thyroxine 10. Follicle stimulating  11. Vasopressin  12. Luteininsing

13. b-cells ; a-cells 14. Prolactin, oxytocin  15. Testosterone

16. Posterior pituitary ; Child birth  17. Adenohypophysis ; Neurohypophysis

18. Cretinism ; myxoedema  19. Pituitary

20. Chemical ; small; endocrine gland

Match The Column : 

Ans. (i) - j, (ii) - e, (iii) - f, (iv) - g, (v) - d, (vi) - b, (vii) - h, (viii) - i, (ix) - a, (x) - c