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Read the following statement. Write a paragraph about adaptation with reference to the statement.
There is extreme heat in deserts.
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Why is the camel called the 'Ship of the desert'?
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The shining surface in a thermos flask decreases the outgoing heat by ______.
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Write an answer to the following question in your own words.
In everyday life, where and for what purpose do we use centrifugation?
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Give reason.
An iron article should be given a coat of paint
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Give reason.
A wooden article should be polished.
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Give reason.
Copper and brass utensils should be tinned.
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Who is lying?
Hen – My toes are webbed.
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Who is lying?
Cactus – My fleshy, green part is a leaf.
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Give a scientific reason.
In chromatography, the ingredients of a mixture rise up to limited height water rises up to the upper end of the paper.
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What will happen if only one crop is grown repeatedly in the soil?
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Write an answer to the following question in your own words.
What do we get from forests?
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Write an answer to the following question in your own words.
Why is the diversity of plants and animals in the forests declining?
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Match the pairs.
| Group ‘A’ | Group ‘B’ | ||
|
1) |
Parasitic plant | a) | Mushroom |
| 2) | Insectivorous plant | b) | Lichen |
| 3) | Saprophytic plant | c) | Drosera |
| 4) | Symbiotic plant | d) | Cuscuta |
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Write an answer to the following question in your own words.
What are the items included in ocean resources? What are their uses?
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The process of digestion starts from the ______.
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Pushing forward the food that has been chewed is the function of the ______.
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Who is telling a lie?
Tongue: My taste-buds can tell only a sweet taste.
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Who is telling a lie?
Liver: I am the largest gland in the body.
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Who is telling a lie?
Large intestine: I am 7.5 meter long.
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