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! ✅
1. 🧠 Which part of the neuron receives impulses from other neurons?
- A. Axon
- B. Dendrite
- C. Cell body
- D. Synapse
🔍 Show Answer
✅ B. Dendrite
2. ⚡ What is the junction between two neurons called?
- A. Axon terminal
- B. Synapse
- C. Dendritic gap
- D. Myelin sheath
🔍 Show Answer
✅ B. Synapse
3. 🌡️ Which gland is known as the “master gland” of the endocrine system?
- A. Thyroid
- B. Adrenal
- C. Pituitary
- D. Pancreas
🔍 Show Answer
✅ C. Pituitary
4. 🩸 Which hormone regulates blood sugar levels?
- A. Thyroxine
- B. Insulin
- C. Adrenaline
- D. Growth hormone
🔍 Show Answer
✅ B. Insulin
5. 🔁 What type of response is a reflex action?
- A. Voluntary
- B. Involuntary
- C. Learned
- D. Emotional
🔍 Show Answer
✅ B. Involuntary
6. 🧬 Which part of the brain controls balance and coordination?
- A. Cerebrum
- B. Medulla oblongata
- C. Cerebellum
- D. Hypothalamus
🔍 Show Answer
✅ C. Cerebellum
7. 🌿 Which plant hormone promotes cell elongation?
- A. Ethylene
- B. Auxin
- C. Gibberellin
- D. Cytokinin
🔍 Show Answer
✅ B. Auxin
8. 🕒 Which part of the brain regulates sleep and wakefulness?
- A. Medulla
- B. Cerebellum
- C. Hypothalamus
- D. Pineal gland
🔍 Show Answer
✅ D. Pineal gland
9. ⚙️ What is the function of the myelin sheath?
- A. Receive signals
- B. Speed up nerve impulse
- C. Produce neurotransmitters
- D. Connect neurons
🔍 Show Answer
✅ B. Speed up nerve impulse
10. 💡 Which endocrine gland controls our metabolism?
- A. Thyroid
- B. Adrenal
- C. Pituitary
- D. Pancreas
🔍 Show Answer
✅ A. Thyroid
11. ⚡ Which ion carries the nerve impulse across a synapse?
- A. Na+
- B. K+
- C. Ca2+
- D. Cl−
Show Answer
✅ C. Ca2+
12. 🧠 Which part of the brain regulates heartbeat and breathing?
- A. Cerebrum
- B. Cerebellum
- C. Medulla oblongata
- D. Hypothalamus
Show Answer
✅ C. Medulla oblongata
13. 🌿 Which plant hormone is responsible for fruit ripening?
- A. Auxin
- B. Ethylene
- C. Gibberellin
- D. Cytokinin
Show Answer
✅ B. Ethylene
14. 🔁 Which reflex action protects the eye when an object approaches it?
- A. Knee-jerk
- B. Blinking
- C. Sneezing
- D. Coughing
Show Answer
✅ B. Blinking
15. ⚙️ What does the hypothalamus control?
- A. Voluntary movement
- B. Body temperature and hunger
- C. Vision
- D. Hearing
Show Answer
✅ B. Body temperature and hunger
16. 🧬 Which gland produces adrenaline?
- A. Thyroid
- B. Adrenal
- C. Pituitary
- D. Pancreas
Show Answer
✅ B. Adrenal
17. 💡 Which cells conduct impulses away from the cell body?
- A. Dendrites
- B. Axons
- C. Synaptic knobs
- D. Myelin cells
Show Answer
✅ 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
✅ B. Promotes cell elongation on the shaded side
19. 🧪 Which neurotransmitter is involved in muscle contraction?
- A. Serotonin
- B. Dopamine
- C. Acetylcholine
- D. GABA
Show Answer
✅ C. Acetylcholine
20. 🔬 Which feedback mechanism maintains hormone levels?
- A. Positive feedback
- B. Negative feedback
- C. Neutral feedback
- D. Cyclic feedback
Show Answer
✅ B. Negative feedback
21. 🕒 Which reflex controls blinking in response to a puff of air?
- A. Knee-jerk
- B. Corneal
- C. Swallowing
- D. Stretch
Show Answer
✅ B. Corneal
22. 🌿 Which hormone promotes seed germination?
- A. Ethylene
- B. Gibberellin
- C. Auxin
- D. Abscisic acid
Show Answer
✅ B. Gibberellin
23. ⚡ What protects axons and speeds transmission?
- A. Dendrites
- B. Synapses
- C. Myelin sheath
- D. Cell body
Show Answer
✅ C. Myelin sheath
24. 🧠 Which lobe of the brain is responsible for vision?
- A. Frontal
- B. Parietal
- C. Occipital
- D. Temporal
Show Answer
✅ C. Occipital
25. 💧 Which gland controls water balance?
- A. Thyroid
- B. Pituitary
- C. Adrenal
- D. Pancreas
Show Answer
✅ B. Pituitary
26. 🌬️ Which structure filters blood in the kidney?
- A. Nephron
- B. Glomerulus
- C. Ureter
- D. Bladder
Show Answer
✅ B. Glomerulus
27. 🍽️ Which enzyme digests proteins in the small intestine?
- A. Amylase
- B. Lipase
- C. Trypsin
- D. Pepsin
Show Answer
✅ C. Trypsin
28. 🧬 What transmits impulses from sensory to motor neurons?
- A. Sensory neuron
- B. Interneuron
- C. Motor neuron
- D. Glial cell
Show Answer
✅ B. Interneuron
29. 🔋 Which gland responds to stress by releasing adrenaline?
- A. Thyroid
- B. Pituitary
- C. Adrenal
- D. Pancreas
Show Answer
✅ C. Adrenal
30. 🕹️ Which part of the brain is the control center for voluntary actions?
- A. Cerebellum
- B. Medulla
- C. Cerebrum
- D. Hypothalamus
Show Answer
✅ 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
✅ 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
✅ C. Insulate axons
33. 🧫 Which chemical signals travel through the bloodstream?
- A. Neurotransmitters
- B. Hormones
- C. Enzymes
- D. Antibodies
Show Answer
✅ B. Hormones
34. 🔁 What type of feedback increases the effect of a stimulus?
- A. Negative feedback
- B. Positive feedback
- C. Neutral feedback
- D. Cyclic feedback
Show Answer
✅ B. Positive feedback
35. 🕹️ Which brain region handles decision-making and personality?
- A. Occipital lobe
- B. Frontal lobe
- C. Parietal lobe
- D. Temporal lobe
Show Answer
✅ B. Frontal lobe
36. 💧 Which hormone controls water reabsorption in kidneys?
- A. Insulin
- B. ADH
- C. Thyroxine
- D. Glucagon
Show Answer
✅ B. ADH
37. 🧠 Which structure connects the two cerebral hemispheres?
- A. Corpus callosum
- B. Medulla
- C. Thalamus
- D. Hypothalamus
Show Answer
✅ A. Corpus callosum
38. 🔬 Which gland secretes digestive enzymes into the duodenum?
- A. Salivary gland
- B. Liver
- C. Pancreas
- D. Stomach
Show Answer
✅ C. Pancreas
39. 🌱 Which plant movement is in response to gravity?
- A. Phototropism
- B. Geotropism
- C. Hydrotropism
- D. Chemotropism
Show Answer
✅ B. Geotropism
40. 🚀 Which hormone is released during fight-or-flight response?
- A. Insulin
- B. Adrenaline
- C. Glucagon
- D. Cortisol
Show Answer
✅ B. Adrenaline
41. 🧃 Which part of the neuron releases neurotransmitters?
- A. Axon hillock
- B. Dendrite
- C. Synaptic knob
- D. Nucleus
Show Answer
✅ C. Synaptic knob
42. 💡 Which endocrine gland sits atop the kidneys?
- A. Thyroid
- B. Adrenal
- C. Pituitary
- D. Pancreas
Show Answer
✅ B. Adrenal
43. 🔁 Which feedback maintains blood glucose homeostasis?
- A. Positive feedback
- B. Negative feedback
- C. Feedforward
- D. Amplification
Show Answer
✅ B. Negative feedback
44. 🧬 Which molecule carries genetic instructions in neurons?
- A. ATP
- B. DNA
- C. RNA
- D. Protein
Show Answer
✅ B. DNA
45. 🕹️ Which area of the brain controls voluntary muscle movements?
- A. Motor cortex
- B. Sensory cortex
- C. Visual cortex
- D. Auditory cortex
Show Answer
✅ A. Motor cortex
46. 💧 Which hormone promotes water uptake in plants?
- A. Auxin
- B. Cytokinin
- C. Abscisic acid
- D. Gibberellin
Show Answer
✅ C. Abscisic acid
47. 🌬️ Which structure prevents collapse of trachea?
- A. Cartilage rings
- B. Smooth muscle
- C. Mucus
- D. Cilia
Show Answer
✅ A. Cartilage rings
48. 🔬 Which part of the brain is responsible for reflex actions?
- A. Cerebrum
- B. Spinal cord
- C. Thalamus
- D. Pituitary
Show Answer
✅ B. Spinal cord
49. 🧠 Which brain region integrates sensory information?
- A. Frontal lobe
- B. Parietal lobe
- C. Occipital lobe
- D. Temporal lobe
Show Answer
✅ B. Parietal lobe
50. 🌱 Which hormone breaks seed dormancy?
- A. Ethylene
- B. Abscisic acid
- C. Gibberellin
- D. Auxin
Show Answer
✅ C. Gibberellin
51. 💡 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
✅ 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
✅ C. Florigen
53. 🧠 Which brain structure links the nervous and endocrine systems?
- A. Thalamus
- B. Hypothalamus
- C. Cerebrum
- D. Cerebellum
Show Answer
✅ 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
✅ B. Sodium-potassium pump
55. 🧬 Which gland secretes thyroxine?
- A. Parathyroid
- B. Thyroid
- C. Pituitary
- D. Adrenal
Show Answer
✅ B. Thyroid
56. 🔁 Which reflex arc component carries impulses to the CNS?
- A. Motor neuron
- B. Sensory neuron
- C. Interneuron
- D. Effector
Show Answer
✅ B. Sensory neuron
57. 💧 Which hormone reduces blood calcium by promoting its deposition in bones?
- A. Parathyroid hormone
- B. Calcitonin
- C. Insulin
- D. Growth hormone
Show Answer
✅ B. Calcitonin
58. 🧠 Which lobe processes auditory information?
- A. Frontal
- B. Parietal
- C. Temporal
- D. Occipital
Show Answer
✅ C. Temporal
59. 🌿 Which photoreceptor pigment in plants helps detect light direction?
- A. Chlorophyll
- B. Phytochrome
- C. Carotene
- D. Xanthophyll
Show Answer
✅ B. Phytochrome
60. ⚙️ Which cell organelle synthesizes acetylcholine?
- A. Mitochondria
- B. Endoplasmic reticulum
- C. Synaptic knob
- D. Golgi apparatus
Show Answer
✅ C. Synaptic knob
61. 💉 Which hormone increases heart rate and blood pressure?
- A. Insulin
- B. Adrenaline
- C. Thyroxine
- D. Vasopressin
Show Answer
✅ B. Adrenaline
62. 🔬 Which structure in insects performs both respiration and excretion?
- A. Nephridia
- B. Tracheae
- C. Gills
- D. Malpighian tubules
Show Answer
✅ D. Malpighian tubules
63. 🌡️ Which gland secretes cortisol?
- A. Pituitary
- B. Adrenal cortex
- C. Thyroid
- D. Pancreas
Show Answer
✅ B. Adrenal cortex
64. 🧠 Which brain region is responsible for emotion and memory?
- A. Hippocampus
- B. Amygdala
- C. Thalamus
- D. Hypothalamus
Show Answer
✅ 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
✅ C. Loss of water from motor cells
66. 🔁 Which reflex helps protect the body from sharp objects?
- A. Withdrawal reflex
- B. Stretch reflex
- C. Patellar reflex
- D. Corneal reflex
Show Answer
✅ A. Withdrawal reflex
67. 🧫 Which neurotransmitter is associated with mood regulation?
- A. Acetylcholine
- B. Dopamine
- C. Glutamate
- D. GABA
Show Answer
✅ B. Dopamine
68. 💧 Which hormone stimulates water uptake in kidneys?
- A. Aldosterone
- B. ADH
- C. PTH
- D. Calcitonin
Show Answer
✅ B. ADH
69. 🔬 What is the function of microglia in the CNS?
- A. Myelination
- B. Immune defense
- C. Nutrient transport
- D. Signal transmission
Show Answer
✅ B. Immune defense
70. 🌱 Which hormone causes stomatal closure during water stress?
- A. Auxin
- B. Cytokinin
- C. Abscisic acid
- D. Gibberellin
Show Answer
✅ C. Abscisic acid
71. 🧠 Which part of the neuron integrates incoming signals?
- A. Axon hillock
- B. Dendrites
- C. Myelin sheath
- D. Nucleus
Show Answer
✅ A. Axon hillock
72. 🌿 Which hormone breaks down starch into sugars in plants?
- A. Amylase
- B. Gibberellin
- C. Auxin
- D. Cytokinin
Show Answer
✅ B. Gibberellin
73. 💡 Which gland secretes growth hormone?
- A. Thyroid
- B. Pituitary
- C. Adrenal
- D. Pancreas
Show Answer
✅ B. Pituitary
74. ⚡ What ion influx causes depolarization of a neuron?
- A. Ca2+
- B. Cl−
- C. Na+
- D. K+
Show Answer
✅ C. Na+
75. 🧬 Which hormone regulates metabolism and growth?
- A. Thyroxine
- B. Insulin
- C. Adrenaline
- D. Glucagon
Show Answer
✅ A. Thyroxine
76. 🌱 Which response allows roots to grow downward?
- A. Phototropism
- B. Hydrotropism
- C. Geotropism
- D. Thigmotropism
Show Answer
✅ C. Geotropism
77. 🧠 What divides the cerebrum into left and right halves?
- A. Corpus callosum
- B. Medulla
- C. Brain stem
- D. Thalamus
Show Answer
✅ A. Corpus callosum
78. 💧 Which hormone increases blood sodium retention?
- A. ADH
- B. Aldosterone
- C. Insulin
- D. Calcitonin
Show Answer
✅ B. Aldosterone
79. 🔁 Which reflex maintains posture and balance?
- A. Stretch reflex
- B. Withdrawal reflex
- C. Crossed extensor reflex
- D. Righting reflex
Show Answer
✅ D. Righting reflex
80. 🌿 Which substance signals stomatal closure?
- A. Ethylene
- B. Auxin
- C. Abscisic acid
- D. Cytokinin
Show Answer
✅ C. Abscisic acid
81. 🕹️ Which cortex processes sensory input?
- A. Motor cortex
- B. Sensory cortex
- C. Visual cortex
- D. Auditory cortex
Show Answer
✅ B. Sensory cortex
82. 🔬 What is the function of oligodendrocytes?
- A. Insulate PNS axons
- B. Insulate CNS axons
- C. Produce CSF
- D. Phagocytosis
Show Answer
✅ 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
✅ C. Conduction velocity
84. 🌱 Which tropism directs roots towards water?
- A. Phototropism
- B. Hydrotropism
- C. Geotropism
- D. Chemotropism
Show Answer
✅ B. Hydrotropism
85. 🧬 Which neurotransmitter inhibits nerve transmission?
- A. Glutamate
- B. GABA
- C. Dopamine
- D. Serotonin
Show Answer
✅ B. GABA
86. 💉 Which gland controls the sleep–wake cycle?
- A. Pituitary
- B. Pineal
- C. Thyroid
- D. Adrenal
Show Answer
✅ B. Pineal
87. 🧠 Which region of the brain controls breathing rate?
- A. Hypothalamus
- B. Medulla oblongata
- C. Cerebrum
- D. Cerebellum
Show Answer
✅ B. Medulla oblongata
88. 🔁 Which feedback loop amplifies a change?
- A. Positive feedback
- B. Negative feedback
- C. Neutral feedback
- D. Feedforward
Show Answer
✅ A. Positive feedback
89. 🌬️ Which part of brain monitors blood CO2 levels?
- A. Thalamus
- B. Medulla oblongata
- C. Hypothalamus
- D. Pons
Show Answer
✅ B. Medulla oblongata
90. 🧪 Which hormone triggers ovulation?
- A. FSH
- B. LH
- C. Progesterone
- D. Estrogen
Show Answer
✅ B. LH
91. 🌱 Which plant movement is growth towards touch?
- A. Phototropism
- B. Hydrotropism
- C. Thigmotropism
- D. Geotropism
Show Answer
✅ C. Thigmotropism
92. 🧠 Which part of brain processes memory storage?
- A. Hippocampus
- B. Amygdala
- C. Thalamus
- D. Brain stem
Show Answer
✅ A. Hippocampus
93. 💡 Which nerve carries impulses to the heart?
- A. Vagus nerve
- B. Optic nerve
- C. Sciatic nerve
- D. Olfactory nerve
Show Answer
✅ A. Vagus nerve
94. 🧬 Which cell type supports neurons in the CNS?
- A. Microglia
- B. Astrocytes
- C. Oligodendrocytes
- D. Ependymal cells
Show Answer
✅ B. Astrocytes
95. 🔬 Where are hormone receptors located?
- A. Cell membrane or inside cell
- B. In blood
- C. On DNA only
- D. In capillaries
Show Answer
✅ A. Cell membrane or inside cell
96. 💧 Which hormone regulates salt and water balance?
- A. Insulin
- B. ADH
- C. Oxytocin
- D. Prolactin
Show Answer
✅ B. ADH
97. 🌿 Which hormone inhibits growth?
- A. Auxin
- B. Gibberellin
- C. Abscisic acid
- D. Cytokinin
Show Answer
✅ C. Abscisic acid
98. 🧠 Which structure controls eye movement?
- A. Occipital lobe
- B. Frontal eye field
- C. Parietal lobe
- D. Basal ganglia
Show Answer
✅ B. Frontal eye field
99. 🔍 Which hormone stimulates milk ejection?
- A. Prolactin
- B. Oxytocin
- C. Insulin
- D. Estrogen
Show Answer
✅ B. Oxytocin
100. 🧬 Which cells form the blood–brain barrier?
- A. Astrocytes
- B. Oligodendrocytes
- C. Microglia
- D. Neurons
Show Answer
✅ 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.
