Natural Resources, Class- 5, Subject- Social Studies, Solved exercises.

1. Which of the following resources is used in producing electricity by making dams?

Answer: Water



2. Which of the following is not a gift of nature?

Answer: Highways



3. Which of the following resources is non-renewable?

Answer: Coal



4. Which of the following resources cannot be used directly?

Answer: Petroleum



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B. Fill in the blanks

1. Natural resources are the gifts of nature.
Answer: nature


2. Sunlight, water and air are resources that can be used directly.
Answer: directly


3. Petroleum taken out from the Earth is in a crude form.
Answer: crude


4. Wind energy can be used for producing electricity.
Answer: electricity




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C. True or False

1. Natural resources are man-made things. → False


2. All natural resources have to be processed before they can be used. → False


3. Renewable resources can be used again and again. → True


4. We must conserve our natural resources. → True

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D. Answer the following questions

1. What are natural resources? How are they important for all living beings?
Answer: Natural resources are things we get from nature like air, water, soil, plants and animals. They are important because they give us food, water, shelter and energy needed to live.


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2. What are renewable resources? Give examples.
Answer: Renewable resources are resources that can be used again and again because they can naturally replenish. Examples: sunlight, wind, water.


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3. What are non-renewable resources? Give examples.
Answer: Non-renewable resources are resources that get exhausted after use and cannot be replaced quickly. Examples: coal, petroleum, natural gas.


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4. How do human activities affect natural resources?
Answer: Human activities like cutting trees, pollution and overuse of resources reduce the availability and quality of natural resources.


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E. Give reasons

1. Some natural resources cannot be used in their natural form.
Answer: Because they need to be processed before use. For example, crude petroleum must be refined to get petrol, diesel and kerosene.


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2. It is important to conserve natural resources.
Answer: Because they are limited and all living beings depend on them for survival. Conserving them ensures they are available for future generations.