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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

 

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

1. What is the role of the nervous system in control and coordination?
Ans. The nervous system plays a crucial role in control and coordination. It receives and transmits signals within the body, allowing different parts to communicate and coordinate their functions. The brain and spinal cord are the main components of the nervous system, controlling voluntary and involuntary actions.
2. How do hormones contribute to control and coordination in the body?
Ans. Hormones are chemical messengers produced by endocrine glands that help regulate various bodily functions. They play a vital role in control and coordination by transmitting signals between different organs and tissues. Hormones travel through the bloodstream and target specific cells or organs to elicit a response or maintain homeostasis.
3. What are the differences between the nervous system and the endocrine system in control and coordination?
Ans. The nervous system and the endocrine system are two major systems involved in control and coordination. The nervous system uses electrical impulses for rapid communication, while the endocrine system uses hormones for slower, long-term regulation. The nervous system is localized, while the endocrine system acts globally. Additionally, the nervous system is responsible for voluntary actions, while the endocrine system controls involuntary actions.
4. How does the brain coordinate the body's movements?
Ans. The brain coordinates the body's movements through a complex network of neurons. It receives sensory information from different parts of the body and sends appropriate signals to the muscles to initiate specific movements. The cerebellum, located at the back of the brain, plays a crucial role in fine-tuning and coordinating movements, ensuring smooth and precise execution.
5. How does the sense of touch contribute to control and coordination?
Ans. The sense of touch is an important sensory input that contributes to control and coordination. It helps us gather information about our environment and react accordingly. When we touch an object, sensory receptors in the skin detect the pressure, temperature, and texture, sending signals to the brain. The brain processes these signals and coordinates the appropriate motor response, allowing us to interact with our surroundings effectively.
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