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Discover ncert solutions class 6 science and question answers chapter-wise. Access free, accurate, and easy-to-understand answers to all your Class 6 Science questions now, and confidently enhance your exam preparation.
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Q 61.
Name the standard unit for measurement?
Ans.
Inch.
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Q 62.
What is the length covered in one step by a person is called?
Ans.
Pace.
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Q 63.
Name the modern method for measurement?
Ans.
Metre.
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Q 64.
Name the ancient method for measurement?
Ans.
Cubit.
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Q 65.
What is the length of outstretched arm is called?
Ans.
Fathom.
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Q 66.
Name the oldest means of transportation
Ans.
Bullock cart.
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Q 67.
Name the motion of a clock pendulum have?
Ans.
Periodic motion.
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Q 68.
Name the motion of wheel of a cycle have?
Ans.
Circular motion.
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Q 69.
Name the motion of a sewing machine have?
Ans.
Periodic motion.
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Q 70.
Name the motion of a child in a swing?
Ans.
Periodic motion.
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Q 71.
Name the SI unit of length?
Ans.
Metre.
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Q 72.
Name the process of exchange of gases?
Ans.
Respiration.
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Q 73.
Name the plant which grow in hot and dry places?
Ans.
Xerophytes.
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Q 74.
If you put a plant in shade for a longer period of time it becomes?
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Weak and delicate.
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Q 75.
What is phototropism?
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Bending of a stem towards sun.
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Q 76.
Features of a desert plant?
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1.spines
2. Deep root< br>3. Very small leaves. |
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Q 77.
Leopard, mountain goat and yak are the animals found in which region?
Ans.
Mountain region.
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Q 78.
Soil, air, water and bacteria which are biotic components?
Ans.
Bacteria.
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Q 79.
Do plants also excrete?
Ans.
Yes.
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Q 80.
Name the process by which living organisms are getting rid of their waste?
Ans.
Excretion.
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Q 81.
What are abiotic components?
Ans.
Non-living things.
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Q 82.
What are biotic components?
Ans.
All living things are biotic components.
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Q 83.
Examples of aquatic habitat?
Ans.
Ponds, lakes, rivers, swamps and oceans.
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Q 84.
Examples of terrestrial habitat?
Ans.
Forests, grasslands, deserts, coastal and mountain region.
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Q 85.
The surrounding where organisms live is called?
Ans.
Habitat.
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Q 86.
Which helps the fish to move easily in different directions?
Ans.
Flat fins and tails.
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Q 87.
Name the creature who presents in all different locations?
Ans.
Ants.
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Q 88.
Mammals like whale and dolphins are breathe through?
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Nostrils called blowhole.
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Q 89.
In the sea, plants and animals are surrounded by?
Ans.
Saline water.
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Q 90.
Plants and animals have the capability to survive in different situations or habitat is called?
Ans.
Adaptation.
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