Environmental Issues

Montreal Protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year-

1. 1988
2. 1986
3. 1985
4. 1987

Prolonged liberal irrigation of agricultural fields is likely to create the problem of -

1. Salinity
2. Acidity
3. Aridity
4. Metal toxicity

Which of the following is not used for disinfection of drinking water ?

1. Chloramine
2. Ozone
3. Chlorine
4. Phenyle

Identify the correctly matched pair -

1. Basel Convention – Biodiversity Conservation
2. Kyoto Protocol – Climatic change
3. Ramsar Convention – Ground water pollution
4. Montreal Protocol – Global warming

Which one of the following pairs is mismatched ?

1. Fossil fuel burning – release of CO2
2. Nuclear power – radioactive wastes
3. Biomass burning – release of CO2
4. Solar energy – greenhouse effect

In 1984, the Bhopal gas tragedy took place because methyl isocyanate :-

1. Reacted with DDT
2. Reacted with water
3. Reacted with ammonia
4. Reacted with CO2

Lead concentration in blood is considered alarming if it is -

1. 4-6 g/100 mL
2. 30 g/100 mL
3. 20 g/100 mL
4. 10 g/100 mL

Common indicator organism of water pollution is :-

1. Escherichia coli
2. Lemna paucicostata
3. Entamoeba histolytica
4. Eichhornia crassipes

Fluoride pollution mainly affects :-

1. Heart
2. Kidney
3. Brain
4. Teeth

Escherichia coli is used as an indicator organism to determine pollution of water with :-

1. Faecal matter
2. Pollen of aquatic plants
3. Heavy metals
4. Industrial effluents