In order to meet the ever-increasing demand in factories and for shelter, trees are being continually cut. Is it justified to cut trees for such projects? Discuss and prepare a brief report.
No, it is not justified to cut the trees to meet the ever increasing demands. Forests are the natural habitat of several organisms. Forests are called as the lungs of the earth. Forests maintains a balance in the nature and prevent the overheating of earth. Forests increase the fertility of soil which prevents the soil erosion. Forests provide pure air to us. Forests conserve biodiversity. Forests prevent the natural calamities like drought, floods, global warming and green house effects etc.
Popular Questions of Class 8 Science
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Describe with the help of a diagram an instrument which can be used to detect a charged body.
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Sketch larynx and explain its function in your own words.
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Arrange the following boxes in proper order to make a flow chart of sugarcane crop production.
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Make a labelled diagram of a candle flame.
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The following Table shows the total power shortage in India from 1991– 1997. Show the data in the form of a graph. Plot shortage percentage for the years on the Y-axis and the year on the X-axis.
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Make sketches of animal and plant cells. State three differences between them.
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Describe the construction of a kaleidoscope.
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Complete the crossword with the help of clues given below:
Across
1. This is necessary for photosynthesis.
3. Term for component present in the cytoplasm.
6. The living substance in the cell.
8. Units of inheritance present on the chromosomes.Down
1. Green plastids.
2. Formed by collection of tissues.
4. It separates the contents of the cell from the surrounding medium.
5. Empty structure in the cytoplasm.
7. A group of cells.
Recently Viewed Questions of Class 8 Science
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A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?
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Give examples to show that friction is both a friend and a foe.
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Word game : Use the clues to work out the words.
Across
3. Protruding voice box in boys
4. Glands without ducts
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8. Secretion of endocrine glands
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10. Female hormoneDown
1. Male hormone
2. Secretes thyroxine
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Fill in the blanks in the following statements:
(a) To draw water from a well we have to ——— at the rope.
(b) A charged body ———— an uncharged body towards it.
(c) To move a loaded trolley we have to ———— it.
(d) The north pole of a magnet ———— the north pole of another magnet. - Q:-
What is the term used for secretions of endocrine glands responsible for changes taking place in the body?
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Arrange the following boxes in proper order to make a flow chart of sugarcane crop production.
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Can you store lemon pickle in an aluminium utensil? Explain.
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Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room. Explain.
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Draw a labeled sketch of the human eye.
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How is an embryo developed?
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