Class 10 Science MCQs Chapter Control and Coordination with Answers

If you are confused about how to prepare for Class 10 Science Chapter: Control and Coordination? 🧠 Don’t worry! This post brings you 100 hand-picked MCQs with answers based on the latest CBSE 2024–25 syllabus.

These multiple-choice questions cover all key concepts including nervous system, reflex actions, coordination in plants, hormones, and more. Designed in a minimal and clean format with click-to-reveal answers, they’re perfect for quick revision, last-minute prep, and self-testing before your exam.

Whether you’re a student or teacher, this resource will help you master Chapter 6 quickly and effectively. Let’s get started! βœ…

1. 🧠 Which part of the neuron receives impulses from other neurons?

  • A. Axon
  • B. Dendrite
  • C. Cell body
  • D. Synapse
πŸ” Show Answer

βœ… B. Dendrite

2. ⚑ What is the junction between two neurons called?

  • A. Axon terminal
  • B. Synapse
  • C. Dendritic gap
  • D. Myelin sheath
πŸ” Show Answer

βœ… B. Synapse

3. 🌑️ Which gland is known as the β€œmaster gland” of the endocrine system?

  • A. Thyroid
  • B. Adrenal
  • C. Pituitary
  • D. Pancreas
πŸ” Show Answer

βœ… C. Pituitary

4. 🩸 Which hormone regulates blood sugar levels?

  • A. Thyroxine
  • B. Insulin
  • C. Adrenaline
  • D. Growth hormone
πŸ” Show Answer

βœ… B. Insulin

5. πŸ” What type of response is a reflex action?

  • A. Voluntary
  • B. Involuntary
  • C. Learned
  • D. Emotional
πŸ” Show Answer

βœ… B. Involuntary

6. 🧬 Which part of the brain controls balance and coordination?

  • A. Cerebrum
  • B. Medulla oblongata
  • C. Cerebellum
  • D. Hypothalamus
πŸ” Show Answer

βœ… C. Cerebellum

7. 🌿 Which plant hormone promotes cell elongation?

  • A. Ethylene
  • B. Auxin
  • C. Gibberellin
  • D. Cytokinin
πŸ” Show Answer

βœ… B. Auxin

8. πŸ•’ Which part of the brain regulates sleep and wakefulness?

  • A. Medulla
  • B. Cerebellum
  • C. Hypothalamus
  • D. Pineal gland
πŸ” Show Answer

βœ… D. Pineal gland

9. βš™οΈ What is the function of the myelin sheath?

  • A. Receive signals
  • B. Speed up nerve impulse
  • C. Produce neurotransmitters
  • D. Connect neurons
πŸ” Show Answer

βœ… B. Speed up nerve impulse

10. πŸ’‘ Which endocrine gland controls our metabolism?

  • A. Thyroid
  • B. Adrenal
  • C. Pituitary
  • D. Pancreas
πŸ” Show Answer

βœ… A. Thyroid

11. ⚑ Which ion carries the nerve impulse across a synapse?

  • A. Na+
  • B. K+
  • C. Ca2+
  • D. Clβˆ’
Show Answer

βœ… C. Ca2+

12. 🧠 Which part of the brain regulates heartbeat and breathing?

  • A. Cerebrum
  • B. Cerebellum
  • C. Medulla oblongata
  • D. Hypothalamus
Show Answer

βœ… C. Medulla oblongata

13. 🌿 Which plant hormone is responsible for fruit ripening?

  • A. Auxin
  • B. Ethylene
  • C. Gibberellin
  • D. Cytokinin
Show Answer

βœ… B. Ethylene

14. πŸ” Which reflex action protects the eye when an object approaches it?

  • A. Knee-jerk
  • B. Blinking
  • C. Sneezing
  • D. Coughing
Show Answer

βœ… B. Blinking

15. βš™οΈ What does the hypothalamus control?

  • A. Voluntary movement
  • B. Body temperature and hunger
  • C. Vision
  • D. Hearing
Show Answer

βœ… B. Body temperature and hunger

16. 🧬 Which gland produces adrenaline?

  • A. Thyroid
  • B. Adrenal
  • C. Pituitary
  • D. Pancreas
Show Answer

βœ… B. Adrenal

17. πŸ’‘ Which cells conduct impulses away from the cell body?

  • A. Dendrites
  • B. Axons
  • C. Synaptic knobs
  • D. Myelin cells
Show Answer

βœ… B. Axons

18. 🌱 What is the role of auxin in phototropism?

  • A. Inhibits cell elongation
  • B. Promotes cell elongation on the shaded side
  • C. Causes cell division
  • D. Forms roots
Show Answer

βœ… B. Promotes cell elongation on the shaded side

19. πŸ§ͺ Which neurotransmitter is involved in muscle contraction?

  • A. Serotonin
  • B. Dopamine
  • C. Acetylcholine
  • D. GABA
Show Answer

βœ… C. Acetylcholine

20. πŸ”¬ Which feedback mechanism maintains hormone levels?

  • A. Positive feedback
  • B. Negative feedback
  • C. Neutral feedback
  • D. Cyclic feedback
Show Answer

βœ… B. Negative feedback

21. πŸ•’ Which reflex controls blinking in response to a puff of air?

  • A. Knee-jerk
  • B. Corneal
  • C. Swallowing
  • D. Stretch
Show Answer

βœ… B. Corneal

22. 🌿 Which hormone promotes seed germination?

  • A. Ethylene
  • B. Gibberellin
  • C. Auxin
  • D. Abscisic acid
Show Answer

βœ… B. Gibberellin

23. ⚑ What protects axons and speeds transmission?

  • A. Dendrites
  • B. Synapses
  • C. Myelin sheath
  • D. Cell body
Show Answer

βœ… C. Myelin sheath

24. 🧠 Which lobe of the brain is responsible for vision?

  • A. Frontal
  • B. Parietal
  • C. Occipital
  • D. Temporal
Show Answer

βœ… C. Occipital

25. πŸ’§ Which gland controls water balance?

  • A. Thyroid
  • B. Pituitary
  • C. Adrenal
  • D. Pancreas
Show Answer

βœ… B. Pituitary

26. 🌬️ Which structure filters blood in the kidney?

  • A. Nephron
  • B. Glomerulus
  • C. Ureter
  • D. Bladder
Show Answer

βœ… B. Glomerulus

27. 🍽️ Which enzyme digests proteins in the small intestine?

  • A. Amylase
  • B. Lipase
  • C. Trypsin
  • D. Pepsin
Show Answer

βœ… C. Trypsin

28. 🧬 What transmits impulses from sensory to motor neurons?

  • A. Sensory neuron
  • B. Interneuron
  • C. Motor neuron
  • D. Glial cell
Show Answer

βœ… B. Interneuron

29. πŸ”‹ Which gland responds to stress by releasing adrenaline?

  • A. Thyroid
  • B. Pituitary
  • C. Adrenal
  • D. Pancreas
Show Answer

βœ… C. Adrenal

30. πŸ•ΉοΈ Which part of the brain is the control center for voluntary actions?

  • A. Cerebellum
  • B. Medulla
  • C. Cerebrum
  • D. Hypothalamus
Show Answer

βœ… C. Cerebrum

31. 🌿 Which plant cells are responsible for rapid movement in insectivorous plants?

  • A. Parenchyma
  • B. Sclerenchyma
  • C. Collenchyma
  • D. Motor cells
Show Answer

βœ… D. Motor cells

32. ⚑ What is the role of Schwann cells?

  • A. Produce neurotransmitters
  • B. Form the blood–brain barrier
  • C. Insulate axons
  • D. Connect neurons
Show Answer

βœ… C. Insulate axons

33. 🧫 Which chemical signals travel through the bloodstream?

  • A. Neurotransmitters
  • B. Hormones
  • C. Enzymes
  • D. Antibodies
Show Answer

βœ… B. Hormones

34. πŸ” What type of feedback increases the effect of a stimulus?

  • A. Negative feedback
  • B. Positive feedback
  • C. Neutral feedback
  • D. Cyclic feedback
Show Answer

βœ… B. Positive feedback

35. πŸ•ΉοΈ Which brain region handles decision-making and personality?

  • A. Occipital lobe
  • B. Frontal lobe
  • C. Parietal lobe
  • D. Temporal lobe
Show Answer

βœ… B. Frontal lobe

36. πŸ’§ Which hormone controls water reabsorption in kidneys?

  • A. Insulin
  • B. ADH
  • C. Thyroxine
  • D. Glucagon
Show Answer

βœ… B. ADH

37. 🧠 Which structure connects the two cerebral hemispheres?

  • A. Corpus callosum
  • B. Medulla
  • C. Thalamus
  • D. Hypothalamus
Show Answer

βœ… A. Corpus callosum

38. πŸ”¬ Which gland secretes digestive enzymes into the duodenum?

  • A. Salivary gland
  • B. Liver
  • C. Pancreas
  • D. Stomach
Show Answer

βœ… C. Pancreas

39. 🌱 Which plant movement is in response to gravity?

  • A. Phototropism
  • B. Geotropism
  • C. Hydrotropism
  • D. Chemotropism
Show Answer

βœ… B. Geotropism

40. πŸš€ Which hormone is released during fight-or-flight response?

  • A. Insulin
  • B. Adrenaline
  • C. Glucagon
  • D. Cortisol
Show Answer

βœ… B. Adrenaline

41. πŸ§ƒ Which part of the neuron releases neurotransmitters?

  • A. Axon hillock
  • B. Dendrite
  • C. Synaptic knob
  • D. Nucleus
Show Answer

βœ… C. Synaptic knob

42. πŸ’‘ Which endocrine gland sits atop the kidneys?

  • A. Thyroid
  • B. Adrenal
  • C. Pituitary
  • D. Pancreas
Show Answer

βœ… B. Adrenal

43. πŸ” Which feedback maintains blood glucose homeostasis?

  • A. Positive feedback
  • B. Negative feedback
  • C. Feedforward
  • D. Amplification
Show Answer

βœ… B. Negative feedback

44. 🧬 Which molecule carries genetic instructions in neurons?

  • A. ATP
  • B. DNA
  • C. RNA
  • D. Protein
Show Answer

βœ… B. DNA

45. πŸ•ΉοΈ Which area of the brain controls voluntary muscle movements?

  • A. Motor cortex
  • B. Sensory cortex
  • C. Visual cortex
  • D. Auditory cortex
Show Answer

βœ… A. Motor cortex

46. πŸ’§ Which hormone promotes water uptake in plants?

  • A. Auxin
  • B. Cytokinin
  • C. Abscisic acid
  • D. Gibberellin
Show Answer

βœ… C. Abscisic acid

47. 🌬️ Which structure prevents collapse of trachea?

  • A. Cartilage rings
  • B. Smooth muscle
  • C. Mucus
  • D. Cilia
Show Answer

βœ… A. Cartilage rings

48. πŸ”¬ Which part of the brain is responsible for reflex actions?

  • A. Cerebrum
  • B. Spinal cord
  • C. Thalamus
  • D. Pituitary
Show Answer

βœ… B. Spinal cord

49. 🧠 Which brain region integrates sensory information?

  • A. Frontal lobe
  • B. Parietal lobe
  • C. Occipital lobe
  • D. Temporal lobe
Show Answer

βœ… B. Parietal lobe

50. 🌱 Which hormone breaks seed dormancy?

  • A. Ethylene
  • B. Abscisic acid
  • C. Gibberellin
  • D. Auxin
Show Answer

βœ… C. Gibberellin

51. πŸ’‘ What triggers the release of insulin from the pancreas?

  • A. High blood glucose
  • B. Low blood glucose
  • C. High blood pressure
  • D. Low oxygen levels
Show Answer

βœ… A. High blood glucose

52. 🌿 Which hormone is involved in photoperiodic response of plants?

  • A. Auxin
  • B. Gibberellin
  • C. Florigen
  • D. Abscisic acid
Show Answer

βœ… C. Florigen

53. 🧠 Which brain structure links the nervous and endocrine systems?

  • A. Thalamus
  • B. Hypothalamus
  • C. Cerebrum
  • D. Cerebellum
Show Answer

βœ… B. Hypothalamus

54. ⚑ What causes the resting potential of a neuron?

  • A. Equal ion distribution
  • B. Sodium-potassium pump
  • C. Calcium influx
  • D. Chloride channels
Show Answer

βœ… B. Sodium-potassium pump

55. 🧬 Which gland secretes thyroxine?

  • A. Parathyroid
  • B. Thyroid
  • C. Pituitary
  • D. Adrenal
Show Answer

βœ… B. Thyroid

56. πŸ” Which reflex arc component carries impulses to the CNS?

  • A. Motor neuron
  • B. Sensory neuron
  • C. Interneuron
  • D. Effector
Show Answer

βœ… B. Sensory neuron

57. πŸ’§ Which hormone reduces blood calcium by promoting its deposition in bones?

  • A. Parathyroid hormone
  • B. Calcitonin
  • C. Insulin
  • D. Growth hormone
Show Answer

βœ… B. Calcitonin

58. 🧠 Which lobe processes auditory information?

  • A. Frontal
  • B. Parietal
  • C. Temporal
  • D. Occipital
Show Answer

βœ… C. Temporal

59. 🌿 Which photoreceptor pigment in plants helps detect light direction?

  • A. Chlorophyll
  • B. Phytochrome
  • C. Carotene
  • D. Xanthophyll
Show Answer

βœ… B. Phytochrome

60. βš™οΈ Which cell organelle synthesizes acetylcholine?

  • A. Mitochondria
  • B. Endoplasmic reticulum
  • C. Synaptic knob
  • D. Golgi apparatus
Show Answer

βœ… C. Synaptic knob

61. πŸ’‰ Which hormone increases heart rate and blood pressure?

  • A. Insulin
  • B. Adrenaline
  • C. Thyroxine
  • D. Vasopressin
Show Answer

βœ… B. Adrenaline

62. πŸ”¬ Which structure in insects performs both respiration and excretion?

  • A. Nephridia
  • B. Tracheae
  • C. Gills
  • D. Malpighian tubules
Show Answer

βœ… D. Malpighian tubules

63. 🌑️ Which gland secretes cortisol?

  • A. Pituitary
  • B. Adrenal cortex
  • C. Thyroid
  • D. Pancreas
Show Answer

βœ… B. Adrenal cortex

64. 🧠 Which brain region is responsible for emotion and memory?

  • A. Hippocampus
  • B. Amygdala
  • C. Thalamus
  • D. Hypothalamus
Show Answer

βœ… B. Amygdala

65. 🌿 What causes leaf drooping in plants?

  • A. Low auxin levels
  • B. High turgor pressure
  • C. Loss of water from motor cells
  • D. Increased photosynthesis
Show Answer

βœ… C. Loss of water from motor cells

66. πŸ” Which reflex helps protect the body from sharp objects?

  • A. Withdrawal reflex
  • B. Stretch reflex
  • C. Patellar reflex
  • D. Corneal reflex
Show Answer

βœ… A. Withdrawal reflex

67. 🧫 Which neurotransmitter is associated with mood regulation?

  • A. Acetylcholine
  • B. Dopamine
  • C. Glutamate
  • D. GABA
Show Answer

βœ… B. Dopamine

68. πŸ’§ Which hormone stimulates water uptake in kidneys?

  • A. Aldosterone
  • B. ADH
  • C. PTH
  • D. Calcitonin
Show Answer

βœ… B. ADH

69. πŸ”¬ What is the function of microglia in the CNS?

  • A. Myelination
  • B. Immune defense
  • C. Nutrient transport
  • D. Signal transmission
Show Answer

βœ… B. Immune defense

70. 🌱 Which hormone causes stomatal closure during water stress?

  • A. Auxin
  • B. Cytokinin
  • C. Abscisic acid
  • D. Gibberellin
Show Answer

βœ… C. Abscisic acid

71. 🧠 Which part of the neuron integrates incoming signals?

  • A. Axon hillock
  • B. Dendrites
  • C. Myelin sheath
  • D. Nucleus
Show Answer

βœ… A. Axon hillock

72. 🌿 Which hormone breaks down starch into sugars in plants?

  • A. Amylase
  • B. Gibberellin
  • C. Auxin
  • D. Cytokinin
Show Answer

βœ… B. Gibberellin

73. πŸ’‘ Which gland secretes growth hormone?

  • A. Thyroid
  • B. Pituitary
  • C. Adrenal
  • D. Pancreas
Show Answer

βœ… B. Pituitary

74. ⚑ What ion influx causes depolarization of a neuron?

  • A. Ca2+
  • B. Clβˆ’
  • C. Na+
  • D. K+
Show Answer

βœ… C. Na+

75. 🧬 Which hormone regulates metabolism and growth?

  • A. Thyroxine
  • B. Insulin
  • C. Adrenaline
  • D. Glucagon
Show Answer

βœ… A. Thyroxine

76. 🌱 Which response allows roots to grow downward?

  • A. Phototropism
  • B. Hydrotropism
  • C. Geotropism
  • D. Thigmotropism
Show Answer

βœ… C. Geotropism

77. 🧠 What divides the cerebrum into left and right halves?

  • A. Corpus callosum
  • B. Medulla
  • C. Brain stem
  • D. Thalamus
Show Answer

βœ… A. Corpus callosum

78. πŸ’§ Which hormone increases blood sodium retention?

  • A. ADH
  • B. Aldosterone
  • C. Insulin
  • D. Calcitonin
Show Answer

βœ… B. Aldosterone

79. πŸ” Which reflex maintains posture and balance?

  • A. Stretch reflex
  • B. Withdrawal reflex
  • C. Crossed extensor reflex
  • D. Righting reflex
Show Answer

βœ… D. Righting reflex

80. 🌿 Which substance signals stomatal closure?

  • A. Ethylene
  • B. Auxin
  • C. Abscisic acid
  • D. Cytokinin
Show Answer

βœ… C. Abscisic acid

81. πŸ•ΉοΈ Which cortex processes sensory input?

  • A. Motor cortex
  • B. Sensory cortex
  • C. Visual cortex
  • D. Auditory cortex
Show Answer

βœ… B. Sensory cortex

82. πŸ”¬ What is the function of oligodendrocytes?

  • A. Insulate PNS axons
  • B. Insulate CNS axons
  • C. Produce CSF
  • D. Phagocytosis
Show Answer

βœ… B. Insulate CNS axons

83. ⚑ What term describes the speed of nerve impulse conduction?

  • A. Threshold
  • B. Refractory period
  • C. Conduction velocity
  • D. Synaptic delay
Show Answer

βœ… C. Conduction velocity

84. 🌱 Which tropism directs roots towards water?

  • A. Phototropism
  • B. Hydrotropism
  • C. Geotropism
  • D. Chemotropism
Show Answer

βœ… B. Hydrotropism

85. 🧬 Which neurotransmitter inhibits nerve transmission?

  • A. Glutamate
  • B. GABA
  • C. Dopamine
  • D. Serotonin
Show Answer

βœ… B. GABA

86. πŸ’‰ Which gland controls the sleep–wake cycle?

  • A. Pituitary
  • B. Pineal
  • C. Thyroid
  • D. Adrenal
Show Answer

βœ… B. Pineal

87. 🧠 Which region of the brain controls breathing rate?

  • A. Hypothalamus
  • B. Medulla oblongata
  • C. Cerebrum
  • D. Cerebellum
Show Answer

βœ… B. Medulla oblongata

88. πŸ” Which feedback loop amplifies a change?

  • A. Positive feedback
  • B. Negative feedback
  • C. Neutral feedback
  • D. Feedforward
Show Answer

βœ… A. Positive feedback

89. 🌬️ Which part of brain monitors blood CO2 levels?

  • A. Thalamus
  • B. Medulla oblongata
  • C. Hypothalamus
  • D. Pons
Show Answer

βœ… B. Medulla oblongata

90. πŸ§ͺ Which hormone triggers ovulation?

  • A. FSH
  • B. LH
  • C. Progesterone
  • D. Estrogen
Show Answer

βœ… B. LH

91. 🌱 Which plant movement is growth towards touch?

  • A. Phototropism
  • B. Hydrotropism
  • C. Thigmotropism
  • D. Geotropism
Show Answer

βœ… C. Thigmotropism

92. 🧠 Which part of brain processes memory storage?

  • A. Hippocampus
  • B. Amygdala
  • C. Thalamus
  • D. Brain stem
Show Answer

βœ… A. Hippocampus

93. πŸ’‘ Which nerve carries impulses to the heart?

  • A. Vagus nerve
  • B. Optic nerve
  • C. Sciatic nerve
  • D. Olfactory nerve
Show Answer

βœ… A. Vagus nerve

94. 🧬 Which cell type supports neurons in the CNS?

  • A. Microglia
  • B. Astrocytes
  • C. Oligodendrocytes
  • D. Ependymal cells
Show Answer

βœ… B. Astrocytes

95. πŸ”¬ Where are hormone receptors located?

  • A. Cell membrane or inside cell
  • B. In blood
  • C. On DNA only
  • D. In capillaries
Show Answer

βœ… A. Cell membrane or inside cell

96. πŸ’§ Which hormone regulates salt and water balance?

  • A. Insulin
  • B. ADH
  • C. Oxytocin
  • D. Prolactin
Show Answer

βœ… B. ADH

97. 🌿 Which hormone inhibits growth?

  • A. Auxin
  • B. Gibberellin
  • C. Abscisic acid
  • D. Cytokinin
Show Answer

βœ… C. Abscisic acid

98. 🧠 Which structure controls eye movement?

  • A. Occipital lobe
  • B. Frontal eye field
  • C. Parietal lobe
  • D. Basal ganglia
Show Answer

βœ… B. Frontal eye field

99. πŸ” Which hormone stimulates milk ejection?

  • A. Prolactin
  • B. Oxytocin
  • C. Insulin
  • D. Estrogen
Show Answer

βœ… B. Oxytocin

100. 🧬 Which cells form the blood–brain barrier?

  • A. Astrocytes
  • B. Oligodendrocytes
  • C. Microglia
  • D. Neurons
Show Answer

βœ… A. Astrocytes

🧩 Frequently Asked Questions (FAQs)

How many MCQs are asked from Control and Coordination in Class 10 boards?

Usually, 2–3 MCQs are asked from Chapter 7 – Control and Coordination in the CBSE Class 10 Science Board Exam. These include concept-based and diagram-based questions.

Are these MCQs based on the 2024–25 CBSE syllabus?

Yes, all MCQs follow the latest CBSE Class 10 Science syllabus and the NCERT textbook for 2024–25.

Can I download these questions as a PDF?

Yes! You can copy and paste these MCQs into Word or Google Docs and export them as a PDF. A downloadable version will be available soon.

What is the best way to revise Control and Coordination?

Start with a thorough reading of the NCERT chapter, then practice all 100 MCQs provided here. Focus on reflex arcs, hormones, plant movements, and the nervous system structure.

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