Chapter 22: Environmental Management — Online MCQ Test
SCIENCE · CLASS 10th · Tamil Nadu State Board
Practice Chapter 22: Environmental Management with a free chapter-wise online MCQ test.
This chapter covers: Focusing on ecology this chapter covers natural resource conservation forest wildlife management renewable energy rainwater harvesting and waste management. Students study soil ero....
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 22: Environmental Management — Important Questions & Answers
Which of the following is a primary source of renewable energy?
- A. Coal
- B. Solar energy
- C. Petroleum
- D. Natural gas
Answer: B. Solar energy
Solar energy is considered a renewable resource as it is naturally replenished.
Solar energy is considered a renewable resource as it is naturally replenished.
What is the primary objective of rainwater harvesting?
- A. To increase surface runoff
- B. To cause soil erosion
- C. To recharge groundwater levels
- D. To increase ocean salinity
Answer: C. To recharge groundwater levels
Rainwater harvesting collects and stores rainwater to help recharge local groundwater aquifers.
Rainwater harvesting collects and stores rainwater to help recharge local groundwater aquifers.
Which gas is primarily responsible for global warming?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Argon
Answer: C. Carbon dioxide
Carbon dioxide is a greenhouse gas that traps heat in the atmosphere, leading to global warming.
Carbon dioxide is a greenhouse gas that traps heat in the atmosphere, leading to global warming.
Why is the use of fossil fuels considered unsustainable?
- A. They produce zero emissions
- B. They are available in infinite amounts
- C. They take millions of years to form and are finite
- D. They are the cheapest form of energy
Answer: C. They take millions of years to form and are finite
Fossil fuels are non-renewable resources that deplete over time as they are consumed faster than they form.
Fossil fuels are non-renewable resources that deplete over time as they are consumed faster than they form.
A village experiences frequent flooding and water scarcity. Which integrated approach would be most effective?
- A. Building more concrete roads
- B. Deforestation for agriculture
- C. Rainwater harvesting and afforestation
- D. Increasing groundwater extraction
Answer: C. Rainwater harvesting and afforestation
Afforestation reduces runoff and slows water flow, while rainwater harvesting stores it for future use, addressing both issues.
Afforestation reduces runoff and slows water flow, while rainwater harvesting stores it for future use, addressing both issues.