Which one of the following pairs of gases are the major cause of Green house effect?

1. CO₂ and CO

2. CFCs and SO₂

3. CO₂ and N₂0

4. CO₂ and O₃

Which one of the following statements is wrong in case Bhopal gas tragedy?

1. Thousands of human beings died

2. Radioactive fall out engulfed Bhopal

3. It took place in the night of December 2/3, 1984

4. Methyl isocynate gas leakage took place

Eutrophication is often seen in

1. fresh water lakes

2. ocean

3. mountains

4. deserts

A renewable exhaustible natural resource is 

1. coal

2. petroleum

3. minerals

4. forest

dB is a standard abbreviation used for the quantitative expression of

1. the density of bacteria in a medium

2. a particular pollutant

3. the dominant Bacillus in a culture

4. a certain pesticide

The two gases making highest relative contribution to the greenhouse gases are

1. CO₂ and CH₄

2. CH₄ and NO₂

3. CFCs and N₂0

4. CO₂ and N₂0

Chipko movement was launched for the protection of

1. grasslands

2. forests

3. liverstock

4. wet lands

According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometres) of the air pollutants is responsible for greatest harm to human health?

1. 2.5 or less

2. 1.5 or less

3. 1.0 or less

4. 5.2 or 2.5

Which one of the following is being tried in India as a biofuel substitute for fossil fuels?

1. Jatropha

2. Azadirachta

3. Musa

4. Aegilops

Which one of the following is the correct percentage of the two (out of the total of 4) green-house gases that contribute to the total global warming?

1. CFCs 14%, CH₄ 20%

2. CO₂ 40%, CFCs 30%

3. N₂O 6%, CO₂ 86%

4. CH₄ 20%, N₂O 18%