Class 10 Physics: Management of Natural Resources MCQ

Effective management of natural resources is essential for sustainability and the well-being of future generations. These MCQs will test your understanding of this crucial topic. Each question is complemented by the correct answer and a concise explanation.

1. The principle of sustainable development focuses on:

a) Exploiting all available resources
b) Meeting present needs without compromising future needs
c) Maximizing profit in the short term
d) Consuming resources rapidly

Answer:

b) Meeting present needs without compromising future needs

Explanation:

Sustainable development aims to address current requirements while ensuring that future generations can also meet their needs.

2. Which of the following is a non-renewable resource?

a) Solar energy
b) Wind energy
c) Coal
d) Tidal energy

Answer:

c) Coal

Explanation:

Coal is a fossil fuel that takes millions of years to form, making it non-renewable.

3. The conservation of forests and wildlife is important to:

a) Increase commercial profit
b) Boost the tourism industry alone
c) Maintain ecological balance and stability
d) Provide urban employment

Answer:

c) Maintain ecological balance and stability

Explanation:

Forests and wildlife play a vital role in maintaining the ecological balance of our planet.

4. Which among the following is a method to conserve water?

a) Over-irrigation of crops
b) Using more water in industrial processes
c) Rainwater harvesting
d) Wasting water in household chores

Answer:

c) Rainwater harvesting

Explanation:

Rainwater harvesting captures and stores rainwater for future use, helping conserve water resources.

5. Dams are built for:

a) Only flood control
b) Just recreation purposes
c) Only electricity generation
d) Multiple purposes including irrigation, electricity generation, and flood control

Answer:

d) Multiple purposes including irrigation, electricity generation, and flood control

Explanation:

Dams serve various purposes, including water storage for irrigation, hydroelectric power generation, and flood control.

6. Which method involves the use of biological agents to control pests?

a) Chemical control
b) Biological control
c) Physical control
d) Thermal control

Answer:

b) Biological control

Explanation:

Biological control involves using predators, parasites, or pathogens to control pests.

7. Overgrazing by cattle can lead to:

a) Increased soil fertility
b) Soil erosion
c) Increased forest cover
d) Enhanced water retention in soil

Answer:

b) Soil erosion

Explanation:

Overgrazing removes the protective layer of vegetation, exposing soil to erosion.

8. Biodiversity hotspots are areas:

a) With very low biodiversity
b) That are completely devoid of life
c) With a high degree of biodiversity and facing high threat levels
d) Only found in polar regions

Answer:

c) With a high degree of biodiversity and facing high threat levels

Explanation:

Biodiversity hotspots are areas rich in species diversity but are threatened due to various human activities.

9. The main goal of wildlife sanctuaries and national parks is to:

a) Promote commercial hunting
b) Preserve and protect flora and fauna in their natural habitat
c) Develop urban infrastructure
d) Boost agricultural practices

Answer:

b) Preserve and protect flora and fauna in their natural habitat

Explanation:

Sanctuaries and national parks are dedicated to the conservation of wildlife in their natural environment.

10. Which of the following promotes soil conservation?

a) Deforestation
b) Terrace farming
c) Over-irrigation
d) Using heavy machinery

Answer:

b) Terrace farming

Explanation:

Terrace farming involves creating flat plots on hilly terrains, which reduces runoff and prevents soil erosion.

11. The Chipko Movement in India was primarily aimed at:

a) Promoting industrialization
b) Preventing deforestation
c) Supporting urbanization
d) Encouraging farming

Answer:

b) Preventing deforestation

Explanation:

The Chipko Movement was a grassroots movement where people hugged trees to prevent them from being cut down.

12. An advantage of renewable energy sources over non-renewable sources is:

a) They are more expensive
b) They are always available in limited quantities
c) They cause more pollution
d) They have minimal environmental impact

Answer:

d) They have minimal environmental impact

Explanation:

Renewable energy sources like wind, solar, and hydro have less environmental impact compared to fossil fuels.

13. Which of these practices leads to a reduction in carbon footprint?

a) Using more private vehicles
b) Reducing, reusing, and recycling products
c) Increasing industrial emissions
d) Deforestation

Answer:

b) Reducing, reusing, and recycling products

Explanation:

By minimizing waste and reusing or recycling products, we can reduce our carbon footprint and environmental impact.

14. Which of these is an example of a traditional method of rainwater harvesting in India?

a) Drip irrigation
b) Watershed management
c) Biodigester
d) Johad

Answer:

d) Johad

Explanation:

Johads are traditional rainwater storage tanks used primarily in the arid regions of Rajasthan, India.

15. The “Green Revolution” refers to:

a) A political movement
b) A shift towards organic farming
c) A period of increased agricultural productivity using modern methods and technology
d) Planting more trees in urban areas

Answer:

c) A period of increased agricultural productivity using modern methods and technology

Explanation:

The Green Revolution involved the use of high-yield crop varieties, fertilizers, and pesticides to increase agricultural output.

16. Which item listed below qualifies as a natural resource?

a) Bottled water
b) Storage cabinet
c) Crystal
d) Freshwater

Answer:

d) Freshwater

Explanation:

Among the provided choices, only freshwater is a natural resource.

17. What does the abbreviation GAP project stand for?

a) Government App Strategy
b) Government Auction Program
c) Ganga Activity Program
d) Ganga Action Plan

Answer:

d) Ganga Action Plan

Explanation:

GAP refers to the Ganga Action Plan, an initiative to clean the Ganges river in India.

18. What measures are recommended for environmental preservation?

a) Minimize
b) Recycle
c) Repurpose
d) All of the above

Answer:

d) All of the above

Explanation:

The three key steps to protect the environment are minimize, repurpose, and recycle.

19. Which among these are recognized for their rich biodiversity?

a) Educational institutions
b) Road networks
c) Woodlands
d) Residential blocks

Answer:

c) Woodlands

Explanation:

Woodlands, with their diverse flora and fauna, are renowned for their biodiversity.

20. True or False: Biodiversity suffers due to excessive monoculture.

a) True
b) False

Answer:

a) True

Explanation:

Monoculture, or the cultivation of a single crop over a large area, leads to a decrease in biodiversity.

21. What negative impacts arise from forest fires?

a) Ozone layer depletion
b) Increase in carbon dioxide levels
c) Loss of wildlife habitat
d) All of the above

Answer:

d) All of the above

Explanation:

Forest fires lead to multiple environmental issues including ozone layer depletion, increased CO2 levels, and habitat destruction.

22. Which of the following is a negative consequence of burning fossil fuels?

a) Floods
b) Regular rainfall
c) Acid rain
d) None of the above

Answer:

c) Acid rain

Explanation:

Combustion of fossil fuels contributes to acid rain, a significant environmental concern.

23. Does utilizing recycled paper bags help in reducing environmental pollution?

a) Yes
b) No

Answer:

a) Yes

Explanation:

Using recyclable products, like paper bags, substantially aids in environmental preservation.

24. Which factors contribute to environmental hazards?

a) Rising Earth temperatures
b) Melting polar ice caps
c) Flooding in low-altitude areas
d) All of the above

Answer:

d) All of the above

Explanation:

Factors such as increasing global temperatures, polar ice cap melting, and flooding in certain regions contribute to environmental challenges.

25. Which category does Lignite fall under?

a) Iron
b) Soil
c) Coal
d) Petroleum

Answer:

c) Coal

Explanation:

Lignite is one among various forms of coal, including Peat, Bituminous, and Anthracite.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top