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SCIENCE
SCIENCE MOCK TEST SET 8
January 14, 2016
0

1. Which of the following is the correct description of “tissue culture”?

1. Conservation of forests and plantation
2. Growth and propagation of horticulture crops
3. Science of cultivating animal tissue in artificial medium
4. Protection of wild animals

Answer

3

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2. The best quality of coal with the least ash content is

1. Anthracite
2. Bituminous
3. Lignite
4. Peat

Answer

4

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3. Marsh gas is

1. Hydrogen
2. Nitrogen
3. Methane
4. Ethane

Answer

3

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4. Galvanised iron sheets have a coating of

1. Tin
2. Lead
3. Zinc
4. Chromium

Answer

3

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5. Liquefied Petroleum Gas consists of mainly

1. Methane, ethane and hexane
2. Ethane, hexane and nonane
3. Methane, butane and propane
4. Methane, hexane and nonane

Answer

3

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6. The metal that is present in photo films is

1. Mercury
2. Platinum
3. Magnesium
4. Silver

Answer

4

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7. The electricity bill is calculated in units of

1. Energy
2. Power
3. Force
4. Current

Answer

1

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8. The fuse wire in domestic electrical appliances is used

1. to make electrical appliances more efficient
2. to protect the user from electric shock
3. to prevent the flow of high electric current
4. None of these

Answer

3

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9. Small liquid drops are spherical in shape because

1. of adhesion
2. of gravitational force
3. of the atmospheric pressure from all the sides on the top
4. the liquid tends to have minimum surface area are due to surface tension

Answer

4

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10. Why is a cyclist required to bend inwards while moving in a circular path?

1. To keep the vehicle on the road
2. To make the centre of gravity fall within the base
3. To produce the necessary centripetal force required to keep him moving in a curved path
4. None of these

Answer

3

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