Control and Coordination class 10 Important MCQ

 

Control and Coordination class 10 Important MCQ

1. Control and coordination in animals is carried out by

A. Muscular system
B. Nervous system only
C. Endocrine system only
D. Nervous system and endocrine system
Answer: D

2. Which part of the brain controls voluntary actions?

A. Cerebellum
B. Medulla
C. Cerebrum
D. Hypothalamus
Answer:

3. The reflex actions in human beings are controlled by

A. Brain
B. Cerebellum
C. Spinal cord
D. Medulla
Answer: C

4. The functional unit of nervous system is

A. Nerve
B. Neuron
C. Axon
D. Dendrite
Answer: B

5. Which gland is known as the master gland?

A. Thyroid
B. Pituitary
C. Adrenal
D. Pancreas
Answer: B

6. Which hormone prepares the body for emergency situations?

A. Insulin
B. Thyroxine
C. Adrenaline
D. Estrogen
Answer: C

7. Which part of the brain controls balance and posture?

A. Cerebrum
B. Medulla
C. Cerebellum
D. Pons
Answer: C

8. Which hormone regulates metabolism in the body?

A. Insulin
B. Growth hormone
C. Thyroxine
D. Adrenaline
Answer: C

9. The gap between two neurons is called

A. Axon
B. Dendrite
C. Synapse
D. Nerve fibre
Answer: C

10. Diabetes is caused due to deficiency of

A. Thyroxine
B. Growth hormone
C. Insulin
D. Adrenaline
Answer: C

11. Which plant hormone promotes cell elongation?

A. Cytokinin
B. Auxin
C. Ethylene
D. Abscisic acid
Answer: B

12. Bending of plant shoot towards light is called

A. Geotropism
B. Hydrotropism
C. Phototropism
D. Thigmotropism
Answer: C

13. Which hormone is responsible for ripening of fruits?

A. Auxin
B. Gibberellin
C. Ethylene
D. Cytokinin
Answer: C

14. Involuntary actions like heartbeat are controlled by

A. Cerebrum
B. Cerebellum
C. Medulla
D. Spinal cord
Answer: C

15. Hormones are directly released into

A. Nerves
B. Organs
C. Bloodstream
D. Ducts
Answer: C

16. Which gland secretes insulin?

A. Thyroid
B. Pituitary
C. Pancreas
D. Adrenal
Answer: C

17. Nastic movements in plants occur due to

A. Growth
B. Direction of stimulus
C. Change in turgor pressure
D. Gravity
Answer: C

18. Which hormone promotes growth of stem and seeds?

A. Auxin
B. Cytokinin
C. Gibberellin
D. Ethylene
Answer: C

19. Endocrine glands are also called

A. Exocrine glands
B. Duct glands
C. Ductless glands
D. Mixed glands
Answer: C

20. Which plant hormone inhibits growth?

A. Auxin
B. Cytokinin
C. Gibberellin
D. Abscisic acid
Answer: D

21. Which hormone controls blood sugar level?

A. Thyroxine
B. Adrenaline
C. Insulin
D. Growth hormone
Answer: C

22. The part of neuron that receives impulses is

A. Axon
B. Cyton
C. Dendrite
D. Synapse
Answer: C

23. Which hormone is secreted by adrenal gland?

A. Insulin
B. Thyroxine
C. Adrenaline
D. Estrogen
Answer: C

24. Which system provides quick response in animals?

A. Endocrine system
B. Muscular system
C. Nervous system
D. Digestive system
Answer: C

25. The coordination in plants is mainly through

A. Nervous system
B. Hormones
C. Muscles
D. Brain
Answer: B

26. Which movement in plants depends on direction of stimulus?

A. Nastic movement

B. Growth movement
C. Tropic movement
D. Passive movement
Answer: C

27. Which hormone is secreted by thyroid gland?

A. Insulin
B. Thyroxine
C. Adrenaline
D. Progesterone
Answer: B

28. Which part of brain connects brain with spinal cord?

A. Cerebrum
B. Cerebellum
C. Medulla
D. Hypothalamus
Answer: C

29. Which hormone promotes lateral bud growth?

A. Auxin
B. Cytokinin
C. Ethylene
D. Gibberellin
Answer: B

30. The pathway followed by nerve impulse in reflex action is called

A. Synapse
B. Reflex arc
C. Neuron
D. Axon
Answer: B

31. Which hormone delays ageing in plants?

A. Auxin
B. Ethylene
C. Cytokinin
D. Abscisic acid
Answer: C

32. Sweating and salivation are controlled by

A. Cerebrum
B. Cerebellum
C. Medulla
D. Pituitary
Answer: C

33. Which gland regulates growth and development?

A. Thyroid
B. Pituitary
C. Pancreas
D. Adrenal
Answer: B

34. Which hormone causes closure of stomata during water stress?

A. Auxin
B. Cytokinin
C. Gibberellin
D. Abscisic acid
Answer: D

35. Which hormone is responsible for male secondary sexual characters?

A. Estrogen
B. Progesterone
C. Testosterone
D. Insulin
Answer: C

36. Which plant hormone is gaseous in nature?

A. Auxin
B. Cytokinin
C. Ethylene
D. Gibberellin
Answer: C

37. Which part of neuron contains nucleus?

A. Axon
B. Dendrite
C. Cyton
D. Synapse
Answer: C

38. Which hormone causes increase in heart rate?

A. Insulin
B. Adrenaline
C. Thyroxine
D. Estrogen
Answer: B

39. Which system works slowly but has long-lasting effects?

A. Nervous system
B. Endocrine system
C. Muscular system
D. Digestive system
Answer: B

40. Movement of plant roots towards water is called

A. Geotropism
B. Hydrotropism
C. Phototropism
D. Thigmotropism
 Answer: B

41. Which hormone stimulates flowering in plants?

A. Auxin
B. Cytokinin
C. Gibberellin
D. Ethylene
Answer: C

42. Which hormone deficiency causes goitre?

A. Insulin
B. Thyroxine
C. Growth hormone
D. Adrenaline
Answer: B

43. Which movement is not dependent on growth?

A. Tropic movement
B. Nastic movement
C. Phototropism
D. Geotropism
Answer: B

44. Which part of brain controls intelligence and memory?

A. Cerebellum
B. Medulla
C. Cerebrum
D. Pons
Answer: C

45. Which hormone regulates menstrual cycle?

A. Insulin
B. Testosterone
C. Estrogen
D. Thyroxine
Answer: C

46. The message transmitted in nervous system is in form of

A. Hormone
B. Chemical only
C. Electrical impulse
D. Heat energy
Answer: C

47. Which hormone causes dwarfism if deficient?

A. Thyroxine
B. Insulin
C. Growth hormone
D. Adrenaline
Answer: C

48. Which hormone inhibits seed germination?

A. Auxin
B. Cytokinin
C. Gibberellin
D. Abscisic acid
Answer: D

49. Which structure protects brain?

A. Vertebral column
B. Rib cage
C. Skull
D. Pelvic girdle
Answer: C

50. Which part connects sensory neuron to motor neuron?

A. Synapse
B. Interneuron
C. Axon
D. Dendrite
Answer: B

51. The nervous tissue is made up of

A. Nerves only
B. Nephrons
C. Neurons
D. Hormones
Answer: C

52. Which hormone is secreted in less quantity in diabetes?

A. Thyroxine
B. Insulin
C. Adrenaline
D. Growth hormone
Answer: B

53. Which gland is attached to brain?

A. Thyroid
B. Pancreas
C. Pituitary
D. Adrenal
Answer: C

54. Which movement occurs in Mimosa pudica?

A. Tropic
B. Growth
C. Nastic
D. Passive
Answer: C

55. Which hormone promotes apical dominance?

A. Auxin
B. Cytokinin
C. Ethylene
D. Gibberellin
Answer: A

56. The coordination in animals is faster than plants because

A. Animals have blood
B. Animals have hormones
C. Animals have nervous system
D. Animals have muscles
Answer: C

57. Which hormone is secreted by pancreas?

A. Insulin
B. Thyroxine
C. Adrenaline
D. Testosterone
Answer: A

58. Which hormone increases metabolic rate?

A. Insulin
B. Thyroxine
C. Adrenaline
D. Estrogen
Answer: B

59. Which part of neuron conducts impulse away from cell body?

A. Dendrite
B. Cyton
C. Axon
D. Synapse
Answer: C

60. Which hormone causes stomata to close?

A. Auxin
B. Cytokinin
C. Ethylene
D. Abscisic acid
Answer: D

61. Which hormone promotes root growth in plants?

A. Auxin
B. Cytokinin
C. Ethylene
D. Abscisic acid
Answer: A

 

62. Which hormone is responsible for female secondary sexual characters?

A. Testosterone
B. Insulin
C. Estrogen
D. Thyroxine
Answer: C

63. Which gland secretes growth hormone?

A. Thyroid
B. Pituitary
C. Pancreas
D. Adrenal
Answer: B

64. The movement of plants in response to touch is called

A. Phototropism
B. Thigmotropism
C. Hydrotropism
D. Geotropism
Answer: B

65. Which hormone causes ripening of fruits?

A. Auxin
B. Ethylene
C. Cytokinin
D. Gibberellin
Answer: B

66. Which part of brain controls breathing?

A. Cerebrum
B. Cerebellum
C. Medulla
D. Pons
Answer: C

67. The coordination between organs in plants occurs through

A. Nervous system
B. Blood
C. Hormones
D. Muscles
Answer: C

 

68. Which hormone is released during fear and excitement?

A. Insulin
B. Thyroxine
C. Adrenaline
D. Estrogen
Answer: C

69. Which hormone inhibits growth and promotes dormancy?

A. Auxin
B. Cytokinin
C. Gibberellin
D. Abscisic acid
Answer: D

70. The transmission of nerve impulse across synapse is by

A. Electrical signals only
B. Hormones
C. Chemical substances
D. Heat energy
Answer: C

71. Which plant hormone promotes cell division?

A. Auxin
B. Cytokinin
C. Ethylene
D. Abscisic acid
Answer: B

72. Which system controls thinking and reasoning?

A. Endocrine system
B. Muscular system
C. Nervous system
D. Circulatory system
Answer: C

73. Which hormone controls blood calcium level?

A. Thyroxine
B. Parathormone
C. Insulin
D. Growth hormone
Answer: B

74. Which part of neuron carries impulses towards cell body?

A. Axon
B. Synapse
C. Dendrite
D. Cyton
Answer: C

75. Which gland secretes parathormone?

A. Thyroid
B. Parathyroid
C. Pituitary
D. Adrenal
Answer: B

76. Which plant hormone helps in seed germination?

A. Auxin
B. Cytokinin
C. Gibberellin
D. Abscisic acid
Answer: C

77. Which hormone deficiency causes gigantism?

A. Excess insulin
B. Excess growth hormone
C. Deficiency of thyroxine
D. Excess adrenaline
Answer: B

78. Which part of nervous system controls reflex actions?

A. Brain
B. Spinal cord
C. Cerebrum
D. Cerebellum
Answer: B

79. Which hormone controls ovulation?

A. Testosterone
B. Progesterone
C. Estrogen
D. Luteinizing hormone
Answer: D

80. Which movement in plants is reversible?

A. Tropic movement
B. Growth movement
C. Nastic movement
D. Geotropic movement
Answer: C

81. Which gland is located above kidneys?

A. Pancreas
B. Thyroid
C. Adrenal
D. Pituitary
Answer: C

82. Which hormone maintains salt and water balance?

A. Thyroxine
B. Aldosterone
C. Insulin
D. Adrenaline
Answer: B

83. Which hormone causes uterine contraction during childbirth?

A. Estrogen
B. Progesterone
C. Oxytocin
D. Testosterone
Answer: C

84. Which plant hormone causes leaf fall?

A. Auxin
B. Cytokinin
C. Ethylene
D. Abscisic acid
Answer: D

85. Which nerve carries impulses from receptor to CNS?

A. Motor nerve
B. Mixed nerve
C. Sensory nerve
D. Autonomic nerve
Answer: C

86. Which hormone is secreted by ovaries?

A. Testosterone
B. Insulin
C. Estrogen
D. Thyroxine
Answer: C

87. Which part of brain controls heartbeat?

A. Cerebrum
B. Cerebellum
C. Medulla
D. Pons
Answer: C

88. Which hormone regulates sleep–wake cycle?

A. Melatonin
B. Insulin
C. Thyroxine
D. Adrenaline
Answer: A

89. Which hormone increases blood glucose level?

A. Insulin
B. Thyroxine
C. Adrenaline
D. Estrogen
Answer: C

90. Which movement occurs due to growth differences?

A. Nastic movement
B. Tropic movement
C. Passive movement
D. Random movement
Answer: B

91. Which hormone stimulates milk production?

A. Oxytocin
B. Prolactin
C. Estrogen
D. Progesterone
Answer: B

92. Which gland secretes melatonin?

A. Pituitary
B. Thyroid
C. Pineal
D. Adrenal
Answer: C

93. Which hormone regulates water balance in kidneys?

A. ADH
B. Insulin
C. Thyroxine
D. Adrenaline
Answer: A

94. Which part of neuron transmits impulse chemically?

A. Axon
B. Dendrite
C. Synapse
D. Cyton
Answer: C

95. Which hormone controls stress response?

A. Insulin
B. Estrogen
C. Cortisol
D. Thyroxine
Answer: C

96. Which plant hormone promotes leaf expansion?

A. Cytokinin
B. Ethylene
C. Abscisic acid
D. Gibberellin
Answer: A

97. Which hormone deficiency causes diabetes insipidus?

A. Insulin
B. ADH
C. Thyroxine
D. Cortisol
Answer: B

98. Which system helps in long-term coordination?

A. Nervous system
B. Muscular system
C. Endocrine system
D. Skeletal system
Answer: C

99. Which plant hormone causes wilting?

A. Auxin
B. Cytokinin
C. Gibberellin
D. Abscisic acid
Answer: D

100. Control and coordination in humans helps to

A. Digest food
B. Transport oxygen
C. Maintain internal balance
D. Excrete wastes
Answer: C

 Read also : Control and Coordination class 10 Notes

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