Class 10 Science Mcq's - PracticeSheets

December 19, 2025

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Class 10 Control and Cordination Quiz(humans)

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1. Which of the following is the structural and functional unit of the nervous system?

Axon Dendrite Neuron Synapse

2. Which part of the neuron receives messages from other cells?

Dendrites Axon Synapse Soma

3. Which of the following carries impulses from sense organs to the spinal cord?

Motor neuron Connector neuron Relay neuron Sensory neuron

4. Reflex action is controlled by which part of the nervous system?

Brain Spinal cord Medulla Cerebrum

5. Which of the following is an example of a reflex action?

Sweating Thinking Withdrawing hand from a hot object Speaking

6. What is the correct sequence in a reflex arc?

Receptor → Sensory neuron → Spinal cord → Motor neuron → Effector Receptor → Motor neuron → Spinal cord → Sensory neuron → Effector Effector → Spinal cord → Sensory neuron → Motor neuron → Receptor Receptor → Effector → Spinal cord → Motor neuron → Sensory neuron

7. What is a synapse?

A gap between brain cells A junction between two neurons A type of muscle tissue A hormone-producing gland

8. Which neuron carries message from spinal cord to the effector organ?

Sensory neuron Relay neuron Association neuron Motor neuron

9. Which of the following is not a characteristic of reflex action?

Involuntary Quick Thought-based Instantaneous

10. Which part detects the stimulus in a reflex action?

Receptor Effector Motor neuron Spinal cord

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