Global Warming and CO2

Q.

What is marble cancer?

Q. The average increase in the earth's temperature due to the increasing amount of carbon dioxide is called

1. global warming
2. respiration
3. combustion

Q.

How does CO₂ cause global warming?

Q.

Which of the following statements is/are incorrect for reducing global warming?

1. Avoid burning of dry leaves, wood etc

2. Excessive use of chlorofluro carbon

3. Minimize the use of automobiles

4. Plant more trees to increase the green cover

Q.

The phenomenon of corrosion of marble due to acid rain is called

1. Marble rain

2. Marble pain

3. Marble fever

4. Marble cancer

Q. Global warming results in melting of glaciers which leads to a rise in the sea level. Which of the following reason is responsible for global warming?

1. Combustion of fuels releases oxides of nitrogen which increases the temperature
2. Combustion of fuels releases oxides of nitrogen which decreases the temperature
3. Combustion of fuels releases unburnt carbon particles which causes increase in temperature
   
4. Combustion of fuels releases carbon dioxide which causes increase in temperature.

Q. Assertion :We read in newspapers that burning of fuels is a major cause of global warming. Reason: Burning of fossil fuels is the main cause of $C{O}_2$ and greenhouse gases.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

Which of the following is/are the effects of global warming?

1. Melting of polar ice caps

2. Increase in energy consumption

3. Rise of sea level

4. All of these

Q.

Acid rain has made Taj Mahals marble ________.

Q.

Which of the following is/are responsible for the alarming rate of environmental degradation?

1. Ozone layer depletion

2. Greenhouse effect

3. Global warming

4. All of these

Q.

Which of the following statement is correct regarding Sun's radiation on Earth?

1. Fifty percent of the radiation is reflected while fifty percent of it gets absorbed

2. All the radiations received on Earth get absorbed

3. Most of the radiation is reflected while some of it gets absorbed

4. Some of the radiation is reflected while most of it is absorbed

Q. Complete the passage based on the hazards of ​burning of fuels.​

A natural process of trapping solar radiation that warms the Earths surface is called (1) ________. On constant burning of fossil fuels, excess of gases like (2)________ and methane are released that trap excessive solar radiation. This causes an increased heating of the Earths surface, resulting in a phenomenon called (3)__________ .​

Q.

Identify the correct pairs of gases and their corresponding sources.

1. - Vehicles, Methane - Excreta of all living organisms, Water vapour - Sea water, - Plants​

2. - Excreta of all living organisms, Water vapour - Sea water, - Plants​, Methane - Vehicles

3. - Vehicles, Methane - Sea water, Water vapour - Excreta of all living organisms, - Plants

4. Methane - Vehicles, Water vapour - Excreta of all living organisms, - Plants, - Sea water

Q.

Which of the following is not a greenhouse gas?

1. Carbon dioxide

2. Oxygen

3. Methane

4. Nitrous oxide

Q.

Which of the following are true regarding CO₂?

(A) Excess of CO₂ acts as a pollutant.

(B) Plants take in CO₂ for photosynthesis.

(C) Deforestation leads to decrease in the amount of CO₂ in air.

(D) Less quantity of CO₂ causes rise in temperature.

1. a and b

2. a, b and c

3. b and c

4. a, b and d

Q. Assertion :Carbon dioxide is one of the important greenhouse gases. Reason: It is largely produced by respiratory function of animals and plants.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Which of the following are the effects of global warming?

1. Melting of polar ice caps
2. Increase in energy consumption
3. Rise of sea level
4. Increase in average temperature of earth's atmosphere