Question Paper
Class / Subject: Class 8 (SSC) · Science (सामान्य विज्ञान)
Chapter: Chapter 19 — Chapter 19: Life Cycle of Stars
Time Allowed: 32 minutes
Max Marks: 16
1. What do stars form from? [1]
(A) Nebulae (gas and dust clouds)
(B) Only rock
(C) Only water
(D) Only metal
2. What ignites to form a star? [1]
(A) Nuclear fusion
(B) Only gravity alone
(C) Only heat
(D) Only light
3. What happens during a star's main sequence phase? [1]
(A) Fusing hydrogen into helium
(B) Fusing helium into hydrogen
(C) No fusion occurs
(D) Only cooling down
4. What happens when a sun-like star exhausts its fuel? [1]
(A) It expands into a red giant
(B) It immediately disappears
(C) It becomes a black hole directly
(D) Nothing changes
5. What does a sun-like star eventually become? [1]
(A) A white dwarf
(B) A black hole
(C) A neutron star always
(D) A nebula only
6. How do massive stars typically end? [1]
(A) In supernova explosions
(B) Peacefully as white dwarfs
(C) They never end
(D) By merging with planets
7. What can a supernova leave behind? [1]
(A) A neutron star or black hole
(B) Only a white dwarf
(C) Nothing at all
(D) Only a new star
8. Why learn about the life cycle of stars? [1]
(A) To understand how stars form and die
(B) No reason
(C) It's not useful
(D) Only for tests
9. What do stars form from? [1]
(A) Nebulae (gas and dust clouds)
(B) Only rock
(C) Only water
(D) Only metal
10. What ignites to form a star? [1]
(A) Nuclear fusion
(B) Only gravity alone
(C) Only heat
(D) Only light
11. What happens during a star's main sequence phase? [1]
(A) Fusing hydrogen into helium
(B) Fusing helium into hydrogen
(C) No fusion occurs
(D) Only cooling down
12. What happens when a sun-like star exhausts its fuel? [1]
(A) It expands into a red giant
(B) It immediately disappears
(C) It becomes a black hole directly
(D) Nothing changes
13. What does a sun-like star eventually become? [1]
(A) A white dwarf
(B) A black hole
(C) A neutron star always
(D) A nebula only
14. How do massive stars typically end? [1]
(A) In supernova explosions
(B) Peacefully as white dwarfs
(C) They never end
(D) By merging with planets
15. What can a supernova leave behind? [1]
(A) A neutron star or black hole
(B) Only a white dwarf
(C) Nothing at all
(D) Only a new star
16. Why learn about the life cycle of stars? [1]
(A) To understand how stars form and die
(B) No reason
(C) It's not useful
(D) Only for tests