Sources of energy class 10 Science chapter 14 Most important MCQ

Sources of energy class 10 Science chapter 14 Most important MCQ

Question:1 An ideal source of energy should have

  1. Higher calorific value
  2. Easy transport
  3. Easy accessibility
  4. all of these

Question:2 Dead organism are transformed into petroleum and natural gas in

  1. Presence of air
  2. absence of air
  3. presence of sunlight
  4. None of the above

Question:3 what is the important factor for the site selection of a thermal power plant,

  1. Distance from the populated area
  2. availability of fuel
  3. availability of water
  4. cost of plant

Question:4 what is the percentage of major constituent in bio gas,

  1. 50%
  2. 75%
  3. 45%
  4. None of these

Question:5 which is the most popular kitchen fuel India?

  1. LPG
  2. kerosene
  3. Coal
  4. Firewood

Question:6 which method is used to produce electricity in thermal power plant

  1. By boiling water to produce steam
  2. by ionizing water
  3. by running dynamo by kinetic energy
  4. any of the above

Question:7 Hydropower power plant are located in the

  1. Desert area
  2. plane area
  3. hilly area
  4. None of above

Question:8 which is the following is the odd one out?

  1. Petroleum
  2. Hydro electricity
  3. Coal
  4. CNG

Question:9 which of the following is a component of bio-gas?

  1. Methane
  2. LPG
  3. CNG
  4. Hydrogen sulphide

Question:10 which of the following produces energy because of temperature difference at various levels in ocean ,

  1. Tidal energy
  2. wave energy
  3. Solar energy
  4. Ocean thermal energy

Question:11 which energy source is the largest source used in India?

  1. CNG
  2. LPG
  3. Coal
  4. Bio gas

Question:12 which of the following is normally used in solar cookers for trapping solar energy ?

  1. Solar panels
  2. Silicon cells
  3. Mirrors
  4. any of the above

Question:13 In which of the following kinetic energy is converted into electrical energy?

  1. Tidal energy
  2. Hydro energy
  3. Wind energy
  4. all of these

Question:14 which of the following is the ultimate source of energy us?

  1. LPG
  2. Nuclear
  3. Solar
  4. CNG

Question:15 The temperature inside the solar cooker ranges from

  1. 500-100 degree celsius
  2. 100-140 degree Celsius
  3. 150-200 degree Celsius
  4. 70-80 degree Celsius

Question:16 Solar Cells are made of

  1. Germanium
  2. Silicon
  3. Silver
  4. Aluminium

Question:17 The material used for interconnection the solar cells in the solar panel is

  1. Germanium
  2. Silicon
  3. Silver
  4. Aluminium

Question:18 The working fluid in Ocean thermal power plant is

  1. Volatile liquid like a ammonia
  2. petrol
  3. Charcoal
  4. Liquefied petroleum gas

Question:19 The major problem in harnessing nuclear energy is how to

  1. Split nuclei
  2. Sustain the reaction
  3. Dispose off spent fuel safely
  4. Convert Nuclear energy to electrical energy

Question:20 Green house effect is caused by gases like

  1. Nitrogen
  2. Oxygen
  3. Carbondioxide
  4. None of these

Question:21 The use of reflector in the solar cooker is to

  1. Decrease efficiency
  2. Create green house effect
  3. Increase efficiency
  4. None of these

Question:22 which Country is known as country of winds?”

  1. Denmark
  2. India ‘
  3. Usa
  4. Newzeland

Question:23 A solar water heater cannot be used to get hot water on

  1. A sunny day
  2. A hot day
  3. A cloudy day
  4. A windy day

Question:24 which of the following is not the example of a bio mass energy source

  1. Wood
  2. Gobar gas
  3. Nuclear gas
  4. Coal

Question:25 what is the minimum speed of wind to run a windmill

  1. 20 km/h
  2. 15km/h
  3. 45km/h
  4. 60km/h
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