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Class 10 Science
Sources Of Energy
Quiz 2
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What is true of coal?
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it is present in infinite quantity is earth
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it a complex mixture of compounds of carbon,hydrogen and oxygen
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peat coal has the highest percentage of carbon
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anthracite has the lowest percentage of carbon
which is of these is incorrect?
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charcoal is fuel which is obtained from wood. It mainly contain carbon
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Biomass included cattle dung ,animal dung,agricultural waste
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The main ingredient of bio-gas is ethane and it gives a lot of smoke and also produces a lot of residual ash
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None of these
which of these is not fossil fuel?
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Coal
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petroleum
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Natural gas
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wood
Two statement are made Statement A: LPG mainly contain butane Statement B: CNG mainly contains methane Which of the below is correct option ?
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A is correct only
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B is correct only
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A and B both are correct
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A and B both are incorrect
Fuel used in thermal power plants is?
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Fossil fuel
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Biomass
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water
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Uranium
The condition for producing biogas is
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water but not air
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neither air nor water
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air but not water
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air and water
Electricity from the ocean can be generated based on utilizing
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neither kinetic energy of the waves nor store thermal energy
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The kinetic energy of the waves but not stored thermal energy
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The kinetic energy of the waves as well as stored thermal energy
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stored thermal energy but not kinetic energy of the waves
The purpose of the glass cover on top of a box-type solar cooker is to
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allow one to see the food being cooked
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allow more sunlight into the box
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prevent dust from entering the box
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reduce heat loss by radiation
Which energy is not derived from the sun?
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Biomass energy
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Wind energy
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Ocean-wave energy
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Nuclear energy
Geothermal energy is feasible in regions that
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have coal mines
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are near the sea
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are over hot spots in the crust
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have thermal plants
A solar panel is made by combining a large number of
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solar cells
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solar water heaters
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solar cookers
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solar concentrators
Which of the following is a renewable source of energy?
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Wood
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Natural Gas
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Petroleum
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coal
The site of a hydroelectric plant should be chosen carefully because it
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produces a large amount of carbon monoxide and carbon dioxide
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is expensive
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produces a large amount of electricity
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affects the organisms of the region
To work properly, wind-electric generators need wind speeds of at least about
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150 km/h
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15 km/h
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1500 km/h
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1.5 km/h
Which of the following is not biomass?
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Rice Husk
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Sun
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Cattle Dung
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Wood
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