Which is not an effect of global warming

1. more extreme weather condition

2. melting of polar ice caps

3. Rise of sea level

4. Good fungal growth in soil

Global warming can be controlled by 

1. Reducing deforestation, cutting down use of fossil fuel

2. Reducing reforestation, increasing the use of fossil fuel

3. Increasing deforestation, slowing down the growth of human population

4. Increasing deforestation, reducing efficiency of energy usage

Checking of re-radiating heat by atmospheric CO₂ methane, ozone, dust is known as 

1. green house effect

2. radioactive effect

3. ozone layer

4. solar effect.

Pick the correct set of gases labelled A, B, C and D in the given figure showing their respective contribution to global warming

1. $A-CFCs, B-C{H}_4, C-C{O}_2, D-N_{2}O$

2. $A-C{O}_2, B-C{H}_4, C-CFCs, D-N_{2}O$

3. $A-N_{2}O, B-C{H}_4, C-C{O}_2, D-CFCs$

4. $A-C{O}_2, B-CFCs, C-C{H}_4, D-N_{2}O$

One greenhouse gas contributes 14% to total global warming and another contributes 6%. These are respectively identified as 
(1) N₂O and CO₂

(2) CFCs and N₂O

(3) methane and CO₂

(4) methane and CFCs

Greenhouse gases

1. Absorbs all sunlight and warm the atmosphere

2. Include gases such as CO₂ and O₂

3. Are responsible for ozone layer formation

4. Are mainly CO₂ and CH₄

Which of the following pairs of gases is mainly responsible for green house effect?

1. Carbon dioxide and methane

2. Ozone and Ammonia

3. Oxygen and Nitrogen

4. Nitrogen and Sulphur dioxide

During the past century, the temperature of Earth has increased by _____, most of its during the last three decades
1. 6°C
2. 0.6°C
3. 0.8°C
4. 7°C

The correct descending order of the relative contribution of various greenhouse gases to total global warming is:
1. carbon dioxide; methane; nitrous oxide; CFCs
2. carbon dioxide; CFs; methane; nitrous oxide
3. carbon dioxide; CFs; nitrous oxide; methane
4. carbon dioxide; methane; CFCs; nitrous oxide

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