🌱 Management of Natural Resources – MCQs (Class 10 Science, NCERT)

🔹 Part 4: Questions 76–100

Q76. Which of the following is NOT a disadvantage of fossil fuels?

A) Cause air pollution
B) Contribute to global warming
C) Renewable in nature
D) Limited reserves

Correct Answer: C) Renewable in nature

Explanation:

• ✅ C) Fossil fuels are non-renewable, take millions of years to form.

Q77. Which of the following is the cleanest fuel?

A) Coal
B) LPG
C) CNG
D) Kerosene

Correct Answer: C) CNG

Explanation:

• ✅ C) CNG burns efficiently with least pollution among these fuels.

Q78. The main aim of sustainable forestry is:

A) Cutting all trees at once
B) Growing trees only for timber
C) Using forest resources without harming ecosystems
D) Increasing deforestation

Correct Answer: C) Using forest resources without harming ecosystems

Explanation:

• ✅ C) Focus is to balance usage and conservation.

Q79. Which of these is a non-conventional energy resource?

A) Petroleum
B) Coal
C) Solar energy
D) Diesel

Correct Answer: C) Solar energy

Explanation:

• ✅ C) Renewable, non-polluting, non-conventional.

Q80. Which of these practices is NOT part of sustainable development?

A) Rainwater harvesting
B) Recycling plastics
C) Afforestation
D) Overfishing

Correct Answer: D) Overfishing

Explanation:

• ✅ D) Overfishing depletes biodiversity, unsustainable.

Q81. Which of the following is NOT an advantage of dams?

A) Flood control
B) Irrigation
C) Hydroelectric power generation
D) Increase in deforestation

Correct Answer: D) Increase in deforestation

Explanation:

• ✅ D) Deforestation is a disadvantage, not an advantage.

Q82. Which of the following is an in-situ conservation method?

A) Zoological park
B) Botanical garden
C) Seed bank
D) Biosphere reserve

Correct Answer: D) Biosphere reserve

Explanation:

• ✅ D) In-situ = conservation in natural habitat.

Q83. Which of these is NOT a non-renewable resource?

A) Coal
B) Petroleum
C) Sunlight
D) Natural gas

Correct Answer: C) Sunlight

Explanation:

• ✅ C) Sunlight is inexhaustible renewable energy.

Q84. Which community is known for protecting blackbuck antelopes?

A) Bishnoi
B) Arya Samaj
C) Chipko activists
D) Farmers of Tamil Nadu

Correct Answer: A) Bishnoi

Explanation:

• ✅ A) Bishnoi community of Rajasthan protect deer & trees.

Q85. Which one is NOT an example of reduce, reuse, recycle?

A) Carrying cloth bags
B) Composting vegetable waste
C) Burning plastic bags
D) Using old bottles again

Correct Answer: C) Burning plastic bags

Explanation:

• ✅ C) Burning causes pollution, not part of 3Rs.

Q86. Which movement is associated with “Save Narmada River”?

A) Chipko Movement
B) Narmada Bachao Andolan
C) Silent Valley Movement
D) Bishnoi Movement

Correct Answer: B) Narmada Bachao Andolan

Explanation:

• ✅ B) NBA protested against displacement due to Sardar Sarovar Dam.

Q87. Which of these is a disadvantage of nuclear energy?

A) Produces large energy
B) Renewable
C) Radioactive waste disposal
D) No air pollution

Correct Answer: C) Radioactive waste disposal

Explanation:

• ✅ C) Hazardous waste is difficult to manage safely.

Q88. Which of the following is NOT an example of water harvesting?

A) Roof-top collection
B) Check dams
C) Lakes
D) Burning coal

Correct Answer: D) Burning coal

Explanation:

• ✅ D) Coal burning is unrelated to water conservation.

Q89. Which is NOT a direct benefit of afforestation?

A) More oxygen in atmosphere
B) Reduced soil erosion
C) Increased biodiversity
D) More desertification

Correct Answer: D) More desertification

Explanation:

• ✅ D) Afforestation prevents desertification.

Q90. Which of the following is a renewable energy resource?

A) LPG
B) Biogas
C) Petrol
D) Diesel

Correct Answer: B) Biogas

Explanation:

• ✅ B) Renewable, produced from animal dung and organic waste.

Q91. Which is NOT a disadvantage of large dams?

A) Displacement of people
B) Loss of biodiversity
C) Renewable electricity generation
D) Submergence of land

Correct Answer: C) Renewable electricity generation

Explanation:

• ✅ C) Power generation is an advantage.

Q92. Which of the following is NOT a fossil fuel?

A) Coal
B) Petroleum
C) CNG
D) Biogas

Correct Answer: D) Biogas

Explanation:

• ✅ D) Biogas is renewable, unlike fossil fuels.

Q93. Which of the following is an eco-friendly practice?

A) Burning plastics
B) Using public transport
C) Excessive mining
D) Deforestation

Correct Answer: B) Using public transport

Explanation:

• ✅ B) Reduces fuel consumption and pollution.

Q94. Which of these is a major cause of land degradation?

A) Afforestation
B) Overgrazing
C) Composting
D) Organic farming

Correct Answer: B) Overgrazing

Explanation:

• ✅ B) Overgrazing removes topsoil → desertification.

Q95. Which is NOT a natural resource?

A) Air
B) Water
C) Plastic
D) Soil

Correct Answer: C) Plastic

Explanation:

• ✅ C) Plastic is man-made, not natural.

Q96. Which of the following is NOT a method of biodiversity conservation?

A) National parks
B) Wildlife sanctuaries
C) Deforestation
D) Biosphere reserves

Correct Answer: C) Deforestation

Explanation:

• ✅ C) Deforestation destroys biodiversity instead of conserving it.

Q97. Which of these is NOT a disadvantage of mining?

A) Soil erosion
B) Loss of biodiversity
C) Increase in forest cover
D) Pollution

Correct Answer: C) Increase in forest cover

Explanation:

• ✅ C) Mining reduces forests, does not increase them.

Q98. Which of these is NOT an advantage of rainwater harvesting?

A) Groundwater recharge
B) Reduction of floods
C) Water pollution increase
D) Water storage

Correct Answer: C) Water pollution increase

Explanation:

• ✅ C) Harvesting reduces pollution by reducing runoff.

Q99. Which of these is a sustainable practice for fisheries?

A) Overfishing
B) Seasonal bans on fishing
C) Using explosives for fishing
D) Catching young fish

Correct Answer: B) Seasonal bans on fishing

Explanation:

• ✅ B) Allows fish population to regenerate.

Q100. Which of the following is the best approach to waste management?

A) 3Rs – Reduce, Reuse, Recycle
B) Burning waste in open air
C) Dumping in rivers
D) Using landfills only

Correct Answer: A) 3Rs – Reduce, Reuse, Recycle

Explanation:

• ✅ A) The 3Rs minimize waste and conserve resources.

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