Chapter Exam

Chapter 22: Environmental Management — Online MCQ Test

Q: Which of the following is a primary source of renewable energy?

Answer: B. Solar energy — Solar energy is considered a renewable resource as it is naturally replenished.

Q: What is the primary objective of rainwater harvesting?

Answer: C. To recharge groundwater levels — Rainwater harvesting collects and stores rainwater to help recharge local groundwater aquifers.

Q: Which gas is primarily responsible for global warming?

Answer: C. Carbon dioxide — Carbon dioxide is a greenhouse gas that traps heat in the atmosphere, leading to global warming.

Q: A village experiences frequent flooding and water scarcity. Which integrated approach would be most effective?

Answer: C. Rainwater harvesting and afforestation — Afforestation reduces runoff and slows water flow, while rainwater harvesting stores it for future use, addressing both issues.

SCIENCE · CLASS 10th · Tamil Nadu State Board

Practice Chapter 22: Environmental Management with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 10th SCIENCE. 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.

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Chapter 22: Environmental Management — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 10th SCIENCE — Chapter 22: Environmental Management, with answers and explanations. These are sample questions; the exam has its own separate question set.

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.

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.

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.

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.

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.

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