Greenhouse Effect

Q.

Give slogans on global warming.

Q.

Which of the following is/are greenhouse gases?

1. Carbon dioxide, sulphur dioxide and methane

2. Sulphur dioxide

3. Methane

4. Carbon dioxide

Q.

State the role of a green house in growing plants.

Q.

State the ways of reducing the presence of green house gases.

Q.

What is the trapping of the sun's solar energy and radiation called?

1. Sunburn

2. Solar Wind

3. Solar Trapping

4. Greenhouse Effect

Q.

What are green house gases. How are they responsible for global warming ?

Q. CO3 , CH4 , N2O and CFCs are called greenhouse gases because they can absorb -?

Q.

Our atmosphere acts as a green house. Explain.

Q. Excess atmospheric Carbon dioxide increases greenhouse effect as Carbon dioxide:

1. Precipitates dust in the atmosphere
2. Is opaque to infrared rays
3. Reduces atmospheric pressure
4. Is not opaque to infrared rays

Q.

State the sources and effects of the following gases :

(i) Carbon dioxide

(ii) Methane

(iii) Water vapour

Q.

State the effects of green house gases on the atmosphere.

Q.

What do you understand by Green House effect ?

Q.

CFCs cause

1. depletion of ozone layer

2. depletion of $C{O}_2$

3. increase of ozone layer

4. increase of $C{O}_2$

Q.

Which of the following statements is correct regarding the sun's radiation on earth?

1. All the radiations received on Earth get absorbed

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

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

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

Q.

The presence of excess amount of $C{O}_2$ in our atmosphere leads to global warming

1. 

2. 

Q.

Heating of the Earth surface due to radiation of the Sun trapped by carbon dioxide in the atmosphere is called as _______ .

1. Ozone depletion

2. Warming effect

3. Acid rain

4. Greenhouse effect

Q.

Excess accumulation of _______ gas(es) causes warming of earth is called as global warming.

1. Oxygen

2. Hydrogen

3. Green house

4. Inert

Q.

Which of the following is not a greenhouse gas?

1. ${\mathrm{CO}}_2$

2. ${\mathrm{CH}}_4$

3. ${\mathrm{O}}_2$

4. $\mathrm{CFCs}$