1. Question: Which of the following is a renewable source of energy?

a) Coal
b) Natural Gas
c) Solar
d) Nuclear

Solution: c) Solar

2. Question: What is the primary function of the ozone layer in the Earth’s atmosphere?

a) Absorb carbon dioxide
b) Absorb ultraviolet radiation
c) Generate oxygen
d) Facilitate rainfall

Solution: b) Absorb ultraviolet radiation

3. Question: Which of the following is a biodegradable waste?

a) Plastic
b) Glass
c) Paper
d) Metal

Solution: c) Paper

4. Question: What is the purpose of the 3 R’s in environmental conservation?

a) Reading, Writing, Arithmetic
b) Reduce, Reuse, Recycle
c) Rainforests, Rivers, Reptiles
d) Radios, Refrigerators, Robots

Solution: b) Reduce, Reuse, Recycle

5. Question: Which gas is responsible for the greenhouse effect?

a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen

Solution: c) Carbon dioxide