Sources of energy class 10 Science chapter 14 Most important MCQ
Question:1 An ideal source of energy should have
- Higher calorific value
- Easy transport
- Easy accessibility
- all of these
Question:2 Dead organism are transformed into petroleum and natural gas in
- Presence of air
- absence of air
- presence of sunlight
- None of the above
Question:3 what is the important factor for the site selection of a thermal power plant,
- Distance from the populated area
- availability of fuel
- availability of water
- cost of plant
Question:4 what is the percentage of major constituent in bio gas,
- 50%
- 75%
- 45%
- None of these
Question:5 which is the most popular kitchen fuel India?
- LPG
- kerosene
- Coal
- Firewood
Question:6 which method is used to produce electricity in thermal power plant
- By boiling water to produce steam
- by ionizing water
- by running dynamo by kinetic energy
- any of the above
Question:7 Hydropower power plant are located in the
- Desert area
- plane area
- hilly area
- None of above
Question:8 which is the following is the odd one out?
- Petroleum
- Hydro electricity
- Coal
- CNG
Question:9 which of the following is a component of bio-gas?
- Methane
- LPG
- CNG
- Hydrogen sulphide
Question:10 which of the following produces energy because of temperature difference at various levels in ocean ,
- Tidal energy
- wave energy
- Solar energy
- Ocean thermal energy
Question:11 which energy source is the largest source used in India?
- CNG
- LPG
- Coal
- Bio gas
Question:12 which of the following is normally used in solar cookers for trapping solar energy ?
- Solar panels
- Silicon cells
- Mirrors
- any of the above
Question:13 In which of the following kinetic energy is converted into electrical energy?
- Tidal energy
- Hydro energy
- Wind energy
- all of these
Question:14 which of the following is the ultimate source of energy us?
- LPG
- Nuclear
- Solar
- CNG
Question:15 The temperature inside the solar cooker ranges from
- 500-100 degree celsius
- 100-140 degree Celsius
- 150-200 degree Celsius
- 70-80 degree Celsius
Question:16 Solar Cells are made of
- Germanium
- Silicon
- Silver
- Aluminium
Question:17 The material used for interconnection the solar cells in the solar panel is
- Germanium
- Silicon
- Silver
- Aluminium
Question:18 The working fluid in Ocean thermal power plant is
- Volatile liquid like a ammonia
- petrol
- Charcoal
- Liquefied petroleum gas
Question:19 The major problem in harnessing nuclear energy is how to
- Split nuclei
- Sustain the reaction
- Dispose off spent fuel safely
- Convert Nuclear energy to electrical energy
Question:20 Green house effect is caused by gases like
- Nitrogen
- Oxygen
- Carbondioxide
- None of these
Question:21 The use of reflector in the solar cooker is to
- Decrease efficiency
- Create green house effect
- Increase efficiency
- None of these
Question:22 which Country is known as country of winds?”
- Denmark
- India ‘
- Usa
- Newzeland
Question:23 A solar water heater cannot be used to get hot water on
- A sunny day
- A hot day
- A cloudy day
- A windy day
Question:24 which of the following is not the example of a bio mass energy source
- Wood
- Gobar gas
- Nuclear gas
- Coal
Question:25 what is the minimum speed of wind to run a windmill
- 20 km/h
- 15km/h
- 45km/h
- 60km/h
Answers
Q,NO | Answers | Q,No | Answers |
1 | D | 14 | C |
2 | B | 15 | B |
3 | C | 16 | B |
4 | B | 17 | C |
5 | A | 18 | A |
6 | A | 19 | C |
7 | C | 20 | C |
8 | B | 21 | C |
9 | A | 22 | A |
10 | D | 23 | C |
11 | B | 24 | C |
12 | C | 25 | B |
13 | D |