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Non-Renewable Resources: It includes the resources which are limited and cannot be recycled or recreated
easily, such as coal, oil and natural gas, fossil fuels, etc. Non-renewable resources can be called inorganic
resources if they come from non-living things, for example minerals, land, soil and rocks. Some non-renewable
resources come from living things such as fossil fuels. They can be called organic non-renewable resources.
10. What is environment?
Ans. Environment refers to the abstract conditions in which a person lives. The word environment is derived from the
French word ‘environ’ which means ‘surrounding’.
With respect to nature, it can be termed as a shelter or habitat for living and non-living organisms where
they can be properly placed, can find food, and can breed freely. It is formed by air, sky, trees, rivers, oceans,
mountains, etc. that surround our Earth.
B. Application based questions: L if e Sk il l s & V a l ues
1. Ananya uses wood and cow-dung cakes as fuel in her kitchen She is not aware that these fuels pollute the
environment. Suggest some alternative eco-friendly fuels to her to avoid air pollution.
Ans. Biogas and biofuels
2 Suppose you tell your sibling about the importance of environmental conservation. You have to tell him about
appliances that function on solar power. What would you tell him?
Ans. Solar heaters, solar cookers, solar lights, etc.
Unsolved Exercise
Section A
(Objective Type Questions)
A. Multiple choice questions:
1. Which of the following is used to conserve our natural resources?
i. Furniture Conservation ii. Water Conservation
iii. Money Conservation iv. Clothes Conservation
2. The word environment is derived from the French word ‘environ’ which means ...................................
i. ecosystem ii. green
iii. surroundings iv. nature
3. Which of the following is a precautionary measure against the use of plastic?
i. Planting trees ii. Using solar energy
iii. Using plastic containers iv. Using cloth bags
4. What includes all the living things which are living together on the Earth and helping each other to complete
the life cycle of the environment?
i. Ecosystem ii. Natural resources
iii. Biodegradable substances iv. Environment
5. To live a healthy life and to save Earth, there is a need to make people aware of the use of
.................................. products which do not bring or cause damage to the environment.
i. Cost-effective ii. Biodegradable
iii. Natural iv. Green
6. Which of the following is a harmful effect of plastic?
i. Releases harmful gases on burning ii. Causes lung cancer
iii. Causes congenital disease in kids iv. All of these
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