Question Paper
Class / Subject: Class 8 (SSC) · Science (सामान्य विज्ञान)
Chapter: Chapter 17 — Chapter 17: Man-made Materials
Time Allowed: 32 minutes
Max Marks: 16
1. What are plastics made from? [1]
(A) Polymers
(B) Only metal
(C) Only wood
(D) Only cotton
2. What property do plastics have? [1]
(A) Lightweight and durable
(B) Always heavy and fragile
(C) Only useful when wet
(D) No useful properties
3. What is an example of a synthetic fibre? [1]
(A) Nylon
(B) Cotton
(C) Wool
(D) Silk
4. What is an alloy? [1]
(A) A mixture of metals for enhanced properties
(B) A single pure metal
(C) A type of plastic
(D) A type of fibre
5. What is steel an example of? [1]
(A) An alloy of iron and carbon
(B) A pure metal
(C) A synthetic fibre
(D) A type of plastic
6. What environmental challenge do man-made materials pose? [1]
(A) Difficulty decomposing naturally
(B) No challenges at all
(C) They decompose too quickly
(D) They are always eco-friendly
7. What is an example of a man-made material's benefit? [1]
(A) Durability and affordability
(B) No benefits exist
(C) Only high cost
(D) Only fragility
8. Why learn about man-made materials? [1]
(A) To understand their uses and environmental impact
(B) No reason
(C) It's not useful
(D) Only for tests
9. What are plastics made from? [1]
(A) Polymers
(B) Only metal
(C) Only wood
(D) Only cotton
10. What property do plastics have? [1]
(A) Lightweight and durable
(B) Always heavy and fragile
(C) Only useful when wet
(D) No useful properties
11. What is an example of a synthetic fibre? [1]
(A) Nylon
(B) Cotton
(C) Wool
(D) Silk
12. What is an alloy? [1]
(A) A mixture of metals for enhanced properties
(B) A single pure metal
(C) A type of plastic
(D) A type of fibre
13. What is steel an example of? [1]
(A) An alloy of iron and carbon
(B) A pure metal
(C) A synthetic fibre
(D) A type of plastic
14. What environmental challenge do man-made materials pose? [1]
(A) Difficulty decomposing naturally
(B) No challenges at all
(C) They decompose too quickly
(D) They are always eco-friendly
15. What is an example of a man-made material's benefit? [1]
(A) Durability and affordability
(B) No benefits exist
(C) Only high cost
(D) Only fragility
16. Why learn about man-made materials? [1]
(A) To understand their uses and environmental impact
(B) No reason
(C) It's not useful
(D) Only for tests