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प्रश्न
What are the different purposes for which fuels such as petrol, diesel, kerosene, natural gas, coal, and wood are used?
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उत्तर
Petrol and diesel are used as fuel in vehicles used for transport. Two wheelers. cars, trucks, and aeroplanes run on these fuels. Kerosene. cooking gas (LPG) and wood are used as fuels for cooking and other domestic uses. Coal is used for electricity generation and also in industrial processes. Diesel is also used to run engines and machines in factories.
संबंधित प्रश्न
You being an environmentalist are interested in contributing towards the conservation of natural resources. List four activities that you can do on your own.
Which one term in the following includes the others?
air, flora, fauna, environment, water, sunlight, soil
Fill in the following blank with suitable word :
The science that deals with the inter-relationships of living things with one another and their environment is called...........
Name the organisms whose uncontrolled activities are damaging the environment.
The use of one of the following will pollute the environment. This one is :
(a) paper carry bags
(b) cotton cloth carry bags
(c) nylon cloth carry bags
(d) jute carry bags
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Classify the following as natural or man-made.
horse.
Classify the following as natural or man-made.
sunlight
Classify the following as natural or man-made.
water
Classify the following as natural or man-made.
trees
Classify the following as natural or man-made.
book.
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Cut from the edge of the diagonal to the center as shown in the picture.
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In one of the triangles, draw images of each of the organisms in the different levels.
In another triangle write the names of the organisms. In the last triangle, write the energy level of the organism. Have a look at the following example. You must come up with different organisms!.
When is the world environment day celebrated?
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- Sunlight
- Bacteria
- Air
- Plants
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- damage to lungs
- skin cancer
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Select the mis-matched pair in the following and correct it.
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