Insectivorous plants grow only in soils deficient in -------
Calcium
Phosphorus
Nitrogen
Copper
'Project Tiger' in India was started in
1970
1973
1981
1985
What is known as black gold?
Petroleum
coal
iron
copper
Largest amount of fresh water is found in
Lake and streams
under ground
Polar ice and glaciers
river
Best source of renewable energy is
Cattle
Coal
Trees
Natural resources are divided into ____________.
Two
Three
Four
Five
______________ resources are non-living.
Economic
Abiotic
Biotic
None of these
Main renewable source of energy is
Forest
Fuel gas
Cattle-dung
Soil is composed of
Mineral +Water + Air
Mineral + Organic Matter + Air
Mineral + Organic matter+ Air + Water
Organic Matter + Water
_____________ are those resources whose quantity is known.
Potential resources
Actual resources
Natural resources
Economic resources
