What helps in seed dispersal?
a) Only wind
b) Only water
c) Birds and animals
d) Only insects
Answer: c) Birds and animals
Which of these causes water pollution?
a) Tree plantation
b) Industrial waste
c) Rain harvesting
d) Soil conservation
Answer: b) Industrial waste
What can continuous exposure to high-pitched sounds cause?
a) Better hearing
b) Reduced hearing ability
c) Improved concentration
d) Better sleep
Answer: b) Reduced hearing ability
Which of these is NOT a way to protect the environment?
a) Tree plantation
b) Burning garbage
c) Water conservation
d) Wildlife protection
Answer: b) Burning garbage
What are sanctuaries and national parks made for?
a) Tourism only
b) Research only
c) Protection of forests and wildlife
d) Entertainment
Answer: c) Protection of forests and wildlife
Which of these birds is found in Chhattisgarh?
a) Penguin
b) Ostrich
c) Peacock
d) Emu
Answer: c) Peacock
What happens during drought conditions?
a) Increase in water level
b) Better crop production
c) Difficulty in getting food and fodder
d) Increase in soil fertility
Answer: c) Difficulty in getting food and fodder
How do insecticides affect the environment?
a) They increase soil fertility
b) They pollute the soil
c) They help plant growth
d) They clean the air
Answer: b) They pollute the soil
Which of these snakes is found in Chhattisgarh?
a) Anaconda
b) Cobra
c) Black Mamba
d) Rattlesnake
Answer: b) Cobra
What happens when one component of the environment is removed?
a) Nothing changes
b) Environment improves
c) Creates an imbalance in nature
d) Other components become stronger
Answer: c) Creates an imbalance in nature
Which of these activities helps in maintaining environmental balance?
a) Cutting trees
b) Burning leaves
c) Tree plantation
d) Using chemical fertilizers
Answer: c) Tree plantation
What is the role of chlorophyll in plants?
a) Makes plants grow taller
b) Helps in making food
c) Makes plants stronger
d) Helps in reproduction
Answer: b) Helps in making food
How do tribes in Chhattisgarh relate to forests?
a) They are independent of forests
b) They are totally dependent on forests
c) They only visit forests occasionally
d) They avoid forests
Answer: b) They are totally dependent on forests
What happens to animals during floods?
a) They become stronger
b) They may get trapped and die
c) Their population increases
d) They become more resistant
Answer: b) They may get trapped and die
