Worksheet: Nervous System | Biology Class 7 ICSE PDF Download

Part A: Multiple Choice Questions (MCQs)

Q1. The structural and functional unit of the nervous system is:
a) Brain
b) Neuron
c) Nerve
d) Spinal cord

Q2. Which part of the brain controls body balance and muscle coordination?
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Spinal cord

Q3. Which type of nerve carries messages from the brain to the muscles?
a) Sensory nerve
b) Motor nerve
c) Mixed nerve
d) Cranial nerve

Q4. Which of these is an example of chemical coordination?
a) Reflex action
b) Heartbeat control by medulla
c) Hormone release during fear
d) Balancing by cerebellum

Q5. The medulla oblongata controls:
a) Memory and learning
b) Breathing and heartbeat
c) Balance of the body
d) Voluntary movements

Part B: Short Answer Questions

Q6. What is coordination? Why is it important?

Q7. What are the two main types of coordination in humans?

Q8. Write the main parts of a neuron and their functions.

Q9. Differentiate between sensory and motor neurons.

Q10. What is the role of the spinal cord?

Part C: Long Answer Questions 

Q11. Describe the structure and functions of the human brain.

Q12. Explain the difference between the somatic and autonomic nervous systems.

Q13. What is a reflex action? Explain with an example and its pathway.