Holes dug in the earth to take out minerals are called:
Wells
Mines
Bore-wells
Tanks
Which of the following is not a renewable resource?
Petroleum
Water
Sunlight
Forest
Which of the following are the commonly known precious metals?
Copper and zinc
Mercury and iron
Gold and silver
Iron and aluminium
Which of the following is an alternative source of energy?
Solar energy
Coal
Diesel
Hydro electricity
Who is the leader of chipko movement?
Sri sri Ravisankar
Anna Hazare
Sunderlal Bahuguna
Vandana Siva
If the trees are cut down, the amount of rainfall:
Decreases
Increases
Doesn't change
First decreases and later increases
The resources if managed wisely, maintain themselves or get replaced are called:
Degradable resources
Natural resources
Renewable resources
Non-renewable resources
Coal, kerosene and petrol are used as:
Cleaning agents
Fuels
Solvents
Disinfectants
Which of the following is used for cooking, generating electricity and running steam engines?
Petrol
Wood
The source of minerals for the plants is:
Air
Insects
Soil
