Greenhouse Effect

Q.

Which of the these gases do not contribute to the Global warming?

1. Acetylene

2. Sulphur

3. Carbon dioxide

4. Methane

Q.

Greenhouse effect is caused due to ozone layer depletion.

1. True

2. False

Q. Select the list of greenhouse gases mentioned in descending order of their abundance.

1. N₂0 —6%, CO₂-86%

2. Methane — 20%, N₂0 —18%

3. CFCs-14%, Methane-20%

4. CO₂-40%, CFCs-30%

Q. A global agreement on specific control strategies to reduce the release of ozone-depleting substances was adopted by:

1. The Vienna Convention
2. Rio de Janeiro Conference
3. The Montreal Protocol
4. The Kyoto PRotocol

Q.

The excess accumulation of ______ gases causes warming of the earth is called Global Warming.

Q.

Match the global warming activities given under column I with respective greenhouse gases produced under column II.

1. A= q, B=s, C=t, D=r

2. A= r, B=s, C=t, D=p

3. A=s, B=r, C=q, D=p

4. A=p, B=s, C=t, D=r

Q.

Match the greenhouse gases listed in column - II with their respective sources (activities from which they get released) in column - I.

$\begin{array}{cccc}& \text{Column-I Activities}& & \text{Column-II Green house gases}\\ A& \text{Combustion of fossil fuel}& p& \text{Carbon dioxide}\\ B& \text{Swamp and rice fields}& q& \text{Ozone}\\ C& \text{Refrigeration}& r& \text{Nitrous oxide}\\ D& \text{Burning of biomass}& s& \text{Methane}\\ & & t& \text{CFC\_s}\end{array}$

1. A=s, B=r, C=q, D=p

2. A=p, B=s, C=t, D=r

3. A= r, B=s, C=t, D=p

4. A= q, B=s, C=t, D=r

Q.

Does biomass produce greenhouse gases?

Q.

What are the consequences of green house effect?

Q.

An amount of ozone in the ozonosphere began to drop in-

1. 1987

2. 1980

3. 1992

4. 2000

Q.

Assertion [A]: Greenhouse effect is due to a layer of CO₂ in the atmosphere.

Reason [R]: The glass panels of a greenhouse allow sunlight to pass through but prevent heat from being re-radiated into outer space.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not the correct explanation of A
3. A is true but R is false
4. Both A and R are false

Q.

O₃, CO₂ and water vapour stop the heat radiated out from the atmosphere. This phenomenon is called

1. Green house effect

2. Solar effect

3. Ozone layer effect

4. Radioactive effect

Q. A greenhouse gas traps emitted by the Earth's surface.

1. to emit heat
2. to produce heat
3. to trap heat

Q. Match the greenhouse gas with its percentage contribution to global warming:

1. A - 2, B - 3, C - 1, D - 4
2. A - 1, B - 3, C - 2, D - 4
3. A - 1, B - 3, C - 2, D - 4
4. A - 3, B - 1, C - 2, D - 4

Q.

Match the greenhouse gases listed in column - II with their respective sources (activities from which they get released) in column - I.
$\begin{array}{cccc}& Column-I& & Column-II\\ A& Combustionoffossilfuel& p& Carbondioxide\\ B& Swampandricefields& q& Ozone\\ C& Refrigeration& r& Nitrousoxide\\ D& Burningofbiomass& s& Methane\\ & & t& CF{C}_s\end{array}$

1. A=s, B=r, C=q, D=p

2. A=p, B=s, C=t, D=r

3. A= r, B=s, C=t, D=p

4. A= q, B=s, C=t, D=r

Q.

Which of the following pairs is mismatched?

1. Biomass burning - release of carbon dioxide

2. Fossil fuel burning - release of carbon dioxide

3. Solar energy - the greenhouse effect

4. Nuclear power - radioactive wastes

Q. Which of the following is true with regards to the greenhouse effect?

1. The average temperature of the earth noticeably rises due to the greenhouse effect.
2. Incoming UV radiation enters a greenhouse and is absorbed by plants and surfaces inside.
3. The greenhouse effect happens only with plants grown in “glasshouses” in relatively cold regions.
4. The greenhouse effect causes global climate change.

Q. In column I, a list of gases known to have a greenhouse effect is given. Relate them to their main source listed in column II.

	Column I		Column II
A.	Nitrous Oxide	1.	Secondary pollutant from car exhausts
B.	Chlorofluorocarbons (CFCs)	2.	Combustion of fossil fuels, wood
C.	Methane	3.	Refrigerators, aerosols, sprays
D.	Carbon dioxide	4.	Cattle excreta

1. A – 3, B − 4, C−5 , D −1, E−2
2. A− 5, B − 1, C−3 , D −4, E−2
3. A− 4, B − 5, C−1 , D −2, E−3
4. A− 2, B − 4, C−5 , D −1, E−3

Q.

Write ‘True or ‘False’ for the following statements.

The area where a lot of fuel burns has more percentage of carbon dioxide.

1. True
2. False

Q.

__ emission is mainly responsible for global warming.

Q.

Define the term global warming.

Q. Which of the following is true with regards to the greenhouse effect?

1. The average temperature of the earth noticeably rises due to the greenhouse effect.
2. Incoming UV radiation enters a greenhouse and is absorbed by plants and surfaces inside.
3. The greenhouse effect happens only with plants grown in “glasshouses” in relatively cold regions.
4. The greenhouse effect causes global climate change.

Q.

Match the greenhouse gases listed in column - II with their respective sources (activities from which they get released) in column - I.
$\begin{array}{cccc}& Column-IActivities& & Column-IIGreenhousegases\\ A& Combustionoffossilfuel& p& Carbondioxide\\ B& Swampandricefields& q& Ozone\\ C& Refrigeration& r& Nitrousoxide\\ D& Burningofbiomass& s& Methane\\ & & t& CF{C}_s\end{array}$

1. A= r, B=s, C=t, D=p

2. A= q, B=s, C=t, D=r

3. A=s, B=r, C=q, D=p

4. A=p, B=s, C=t, D=r

Q. Regarding assertion and reason, choose the correct answer.
Assertion [A]: Global warming reduces pH levels in the oceans.
Reason [R]: Carbon dioxide dissolves in water to form carbonic acid.

1. Both A and R are true, and R explains A
2. Both A and R are true, but R does not explain A
3. A is true and R is false
4. Both A and R are false

Q. $5^{th}$ June is celebrated as

1. World forest day
2. World environment day
3. World red cross day
4. World food day

Q. Find out the green house gases from the following:
a) Nitrogen
b) Oxygen

1. Both A and B
2. Only A
3. Only B
4. Neither A nor B

Q. Which of the following is mismatched?

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

Q.

Name the radiations which are absorbed by greenhouse gases in the Earths atmosphere.

Q. The global agreement on specific control strategies to reduce the release of ozone depleting substances is ___.

1. Rio de Janerio Conference
2. Montreal Protocol
3. Kyoto Protocol
4. Vienna Convention

Q.

Which of the following pairs is mismatched?

1. Fossil fuel burning - release of carbon dioxide

2. Nuclear power - radioactive wastes

3. Solar energy - the greenhouse effect

4. Biomass burning - release of carbon dioxide