Which gas is to be reduced in the atmosphere by deforestation?
A. Oxygen B. Carbon dioxide C. Nitrogen D. Sulpher dioxide
Green Revolution is related to:
A. Sericulture B. Agriculture C. Silviculture D. None of the above
All forms of water that comes down on earth is known as:
A. Fixation B. Accumulation C. Precipitation D. None of the above
Deforestation generally increase:
A. Rain fall B. Global warming C. Drought D. Both B & C
Plants get their nitrogen from:
A. Air B. Water C. Soil D. Other plants
The Ozone layer exists in:
A. Troposphere B. Stratosphere C. Mesosphere D. None of the above
Green House effect is mainly caused by:
A. Carbon dioxide B. Nitrogen C. Ethane D. Oxygen
What causes the soil pollution?
A. Industrial Waste B. Acid Rain C. Fertilizers D. Chemicals