Coordination and Control Mdcat Mcqs

 

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🧠 Nervous System MCQs

1. The basic functional unit of the nervous system is:
A) Axon
B) Dendrite
C) Neuron
D) Synapse
✅ Answer: C) Neuron

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2. Which part of the neuron receives impulses?
A) Axon
B) Dendrites
C) Node of Ranvier
D) Myelin sheath
✅ Answer: B) Dendrites

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3. The gap between two neurons is called:
A) Node
B) Synapse
C) Axon terminal
D) Receptor
✅ Answer: B) Synapse

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4. Which neurotransmitter is involved in muscle contraction?
A) Dopamine
B) Serotonin
C) Acetylcholine
D) Adrenaline
✅ Answer: C) Acetylcholine

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5. The part of brain responsible for balance is:
A) Cerebrum
B) Medulla
C) Cerebellum
D) Hypothalamus
✅ Answer: C) Cerebellum

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⚡ Reflex Action MCQs

6. Reflex actions are controlled by:
A) Brain
B) Spinal cord
C) Cerebellum
D) Hypothalamus
✅ Answer: B) Spinal cord

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7. The pathway of reflex action is called:
A) Reflex arc
B) Neural pathway
C) Motor path
D) Sensory arc
✅ Answer: A) Reflex arc

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🧬 Endocrine System MCQs

8. The “master gland” is:
A) Thyroid
B) Pituitary
C) Adrenal
D) Pancreas
✅ Answer: B) Pituitary

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9. Insulin is secreted by:
A) Liver
B) Pancreas
C) Thyroid
D) Kidney
✅ Answer: B) Pancreas

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10. Hormone responsible for fight or flight response:
A) Insulin
B) Thyroxine
C) Adrenaline
D) Estrogen
✅ Answer: C) Adrenaline

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11. Thyroxine regulates:
A) Blood pressure
B) Metabolism
C) Digestion
D) Reproduction
✅ Answer: B) Metabolism

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🧪 Special Senses MCQs

12. The receptor for light is:
A) Rods and cones
B) Hair cells
C) Taste buds
D) Nociceptors
✅ Answer: A) Rods and cones

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13. The part of eye that controls amount of light entering is:
A) Retina
B) Iris
C) Cornea
D) Lens
✅ Answer: B) Iris

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14. Organ responsible for hearing and balance:
A) Eye
B) Ear
C) Nose
D) Skin
✅ Answer: B) Ear

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🔥 Important Concept MCQs

15. Myelin sheath increases:
A) Impulse strength
B) Speed of impulse conduction
C) Size of neuron
D) Synapse formation
✅ Answer: B) Speed of impulse conduction

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16. Central Nervous System consists of:
A) Brain only
B) Spinal cord only
C) Brain and spinal cord
D) Nerves only
✅ Answer: C) Brain and spinal cord

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