Identify the correctly matched pair:
1. Kyoto protocol – Climatic change
2. Montreal Protocol - Global warming
3. Basal Convention – Biodiversity Conservation
4. Ramsar Convention – Groundwater pollution
Prolonged liberal irrigation of agricultural fields is likely to create the problem of:
1. Aridity
2. Metal toxicity
3. Salinity
4. Acidity
Indicator of water pollution:
1. E. Coli
2. Chlorella
3. Beggiatoa
4. Ulothrix
If is absent in the atmosphere of the earth, then:
1. Temperature will decrease
2. Temperature will increase
3. Plants will flourish well
4. No effect
Besides CH4 and CO2, another green house gas is:
1. SO2
2. NH3
3. N2O
4. CFC
Temperature variation in Pacific ocean in present time is called:
1. Cyclone effect
2. El Nino effect
3. Greenhouse effect
4. Gaudikov's effect
Sewage purification is performed by:
1. Microbes
2. Fertilisers
3. Antibiotics
4. Antiseptics
Most stable pesticides:
1. Organophosphates
2. Organochlorines
3. Bordeaux mixture
4. Azaderectnin
Best economic method to harvest solar energy:
1. Solar cell
2. Energy plantation
3. Cultivation of sugar cane then energy obtain by burning it
4. Solar cooker
In 1984, the Bhopal gas tragedy took place because methyl isocyanate:
1. Reacted with ammonia
2. Reacted with CO2
3. Reacted with water
4. Reacted with DDT