Environmental Issues

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

Which of the following is absent in polluted water?

1. Larva of stone fly
2. Hydrilla
3. Blue-green algae
4. Water hyacinth

Maximum greenhouse gas is released by which country?

1. France
2. Britain
3. India
4. U.S.A.

What is the intensity of sound in normal conversation?

1. 30–60 dB
2. 10–20 dB
3. 120–150 dB
4. 70–90 dB