Evs 601

Solar cells are also known as

• Solar radiation cell

• PV solar cell

• Photovoltaic cells

• Both b and c

Minimum height of the water fall on hydropower should be

• 15 metres

• 10 metres

• 20 metres

• 12 meters

High tide and low tide refers to

• Rise and fall of water in dams

• Rise and fall of water in the oceans

• Rise and fall of water in the rivers

• None of the above

The energy harnessed from the hot rocks present inside the earth is called as

• OTE

• BE

• GTE

• TE

Solar energy is trapped by green plants through photosynthesis and converted into biomass energy comes under.

• Petra crops

• Agriculture and urban waste

• Energy plantations

• Natural geysers

Which of these is a non polluting clean and cheap gas advantages

• Bio gas

• Bio fuel

• Gasohol

• Methanol

LPG stands for

• Low petroleum gas

• Liquid petroleum gas

• Both b and d

• Liquefied petroleum gas

Renewable resources

• Hydrogen

• Coal

• Petroleum

• Natural gas

Wood is a renewable resource as we can get new wood by growing, a sapling into a tree within

• 10-20 years

• 15-20 years

• 20-25 years

• 10-25 years

Estuaries comes under which ecosystem

• Forest

• Grassland

• Desert

• Aquatic