Class 9 Exam  >  Class 9 Notes  >  Biology for Class 9  >  Worksheet: Natural Resources

Natural Resources Class 9 Worksheet Science

Q.1. Fill in the blanks
(i) Things essential for life that are provided by nature are known as _______resources.
(ii) ______breeze is the movement of a wind from land to sea.
(iii) All cellular processes need ______ medium to occur.
(iv) ______ is produced due to breaking of rocks at or near the surface of earth due to various factors.
(v) Washing away of soil particles and exposure of underneath rocks is known as______.

Q.2. One of the following factors does not lead to soil formation in nature
(a) The sun
(b) Water
(c) Wind
(d) Polythene bags

Q.3. Total earth’s surface covered by water is
(a) 75%
(b) 60%
(c) 85%
(d) 50%

Q.4. The fertility of soil is lost due to
(a) Afforestation
(b) crop rotation
(c) Soil erosion
(d) Strip cropping

Q.5. Which substance is responsible for depletion of ozone layer?
(a) CO2
(b) CH4
(c) CFC’S
(d) CO

Q.6. The major component of air in Venus & Mars is –
(a) O2
(b) CO2
(c) NO2
(d) He

Q.7. What is the greenhouse effect?

Q.8. Why do organisms need water?

Q.9. What are the different types of natural resources? Give examples.

Q.10. Mention two causes of over-exploitation of natural resources.

Q.11. What is biological nitrogen fixation? Name the organisms responsible for it.

Q.12. What causes winds?

Q.13. How is soil formed?

Q.14. Why is water essential for life?

Q.15. Mention human activities that lead to air pollution.

Q.16. How is rain formed?

Q.17. How is soil pollution done?

Q.18. How do forests influence our air, water and soil?

Q.19. What is weathering? What are the different means by which weathering occurs.

Q.20. Why is life possible on earth?

The document Natural Resources Class 9 Worksheet Science is a part of the Class 9 Course Biology for Class 9.
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FAQs on Natural Resources Class 9 Worksheet Science

1. What are natural resources?
Ans. Natural resources are materials or substances that occur in nature and can be used for economic gain. They include minerals, water, air, forests, fossil fuels, and wildlife.
2. How are natural resources classified?
Ans. Natural resources are classified into two categories: renewable resources and non-renewable resources. Renewable resources can be replenished over time, such as solar energy, wind energy, and water. Non-renewable resources are finite and do not replenish easily, such as coal, oil, and natural gas.
3. What are the impacts of overexploitation of natural resources?
Ans. Overexploitation of natural resources can lead to various negative impacts. It can deplete the resources, causing scarcity and compromising the balance of ecosystems. It can also lead to environmental degradation, loss of biodiversity, and climate change. Furthermore, overexploitation can result in social and economic consequences, such as conflicts over resources and economic instability.
4. How can we conserve natural resources?
Ans. Conservation of natural resources is crucial for sustainable development. Some ways to conserve natural resources include practicing responsible consumption, promoting renewable energy sources, implementing efficient waste management systems, adopting sustainable farming practices, and protecting biodiversity through conservation efforts.
5. What role can individuals play in conserving natural resources?
Ans. Individuals can play a significant role in conserving natural resources. They can reduce their energy consumption by using energy-efficient appliances and vehicles, conserve water by practicing water-saving techniques, recycle and reuse materials, support sustainable businesses and products, and spread awareness about the importance of conservation through education and advocacy.
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