Greenhouse Effect

Q.

Which of the following is not a greenhouse gas?

1. Carbon dioxide

2. Nitrous oxide

3. Methane

4. Oxygen

Q.

Name one adverse effect of the greenhouse effect.

Q.

Match the Following:

Column 1	Column 2
Greenhouse gas	CO2
Nitrogen fixation	O3
Ozone	Rhizobium
Carbon cycle	Biogeochemical cycle

Q.

The recent increase in atmospheric CO_2​ concentration is mainly a result of an increase in

1. Primary productivity

2. The biospheres biomass

3. The absorption of IR rays escaping the earth

4. Burning of fossil fuels and wood

Q. What is global warming and mention a few gases that cause global warming?

Q. Gas that is being produced by paddy fields and involved in global warming is ?

1. $H_{2}S$
2. $C{O}_2$
3. Chlorine
4. Methane