Class 7 Science MCQs - Chapter 9
Energy Resources: Science Multiple Choice Questions (MCQ) PDF - 2
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Energy Resources Science Questions & Answers PDF Download: MCQ Quiz 2
MCQ 6: When animals and plants are rotten in the absence of air, there produces a gas called
- oxygen
- carbon dioxide
- bio gas
- methane
MCQ 7: Black painted panels which are hanged at roofs to trap heat and energy from sun, are
- solar cells
- solar heater
- solar furnace
- solar battery
MCQ 8: Earth emits heat by eruptions of
- volcano
- hot springs
- geysers
- all of them
MCQ 9: Plants utilize water, carbon dioxide and light to produce their own food by
- respiration
- photosynthesis
- circulation
- transportation
MCQ 10: Plants material and waste from living things are regarded as
- fossils fuel
- bio mass
- coal
- crude
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Energy Resources: Science MCQ Book Questions
- Planets are non luminous and revolve around the sun in elliptical
- In concert halls, soft materials and carpets are used to
- More the resistors to a circuit, the
- Electrolyte used in the purification of copper is
- When the ovule and the nucleus of the pollen grain are joined
- For current to flow, the circuit should be