Question Paper
Class / Subject: Class 8 (ICSE) · Science
Chapter: Chapter 24 — Chapter 24: The Nervous System
Time Allowed: 32 minutes
Max Marks: 16
1. What makes up the central nervous system? [1]
(A) Brain and spinal cord
(B) Only nerves
(C) Only the brain
(D) Only the spinal cord
2. What makes up the peripheral nervous system? [1]
(A) Nerves connecting to the body
(B) Only the brain
(C) Only the spinal cord
(D) Nothing specific
3. What are neurons? [1]
(A) Cells that transmit electrical signals
(B) Bones in the body
(C) Muscles in the body
(D) Blood cells
4. What do neurons form? [1]
(A) Complex communication networks
(B) No networks at all
(C) Only random connections
(D) Digestive pathways
5. What is a reflex action? [1]
(A) A quick response via the spinal cord
(B) A slow, conscious decision
(C) No response at all
(D) Only a voluntary action
6. Does a reflex wait for the brain's conscious decision? [1]
(A) No
(B) Yes, always
(C) Only sometimes
(D) Reflexes don't exist
7. What does the nervous system enable? [1]
(A) Thought, movement and sensing
(B) Only digestion
(C) Only breathing
(D) Nothing useful
8. Why study the nervous system? [1]
(A) It explains how we think, move and sense
(B) No reason
(C) It's not useful
(D) Only for tests
9. What makes up the central nervous system? [1]
(A) Brain and spinal cord
(B) Only nerves
(C) Only the brain
(D) Only the spinal cord
10. What makes up the peripheral nervous system? [1]
(A) Nerves connecting to the body
(B) Only the brain
(C) Only the spinal cord
(D) Nothing specific
11. What are neurons? [1]
(A) Cells that transmit electrical signals
(B) Bones in the body
(C) Muscles in the body
(D) Blood cells
12. What do neurons form? [1]
(A) Complex communication networks
(B) No networks at all
(C) Only random connections
(D) Digestive pathways
13. What is a reflex action? [1]
(A) A quick response via the spinal cord
(B) A slow, conscious decision
(C) No response at all
(D) Only a voluntary action
14. Does a reflex wait for the brain's conscious decision? [1]
(A) No
(B) Yes, always
(C) Only sometimes
(D) Reflexes don't exist
15. What does the nervous system enable? [1]
(A) Thought, movement and sensing
(B) Only digestion
(C) Only breathing
(D) Nothing useful
16. Why study the nervous system? [1]
(A) It explains how we think, move and sense
(B) No reason
(C) It's not useful
(D) Only for tests