Greenhouse Effect

Q. How water vapour is greenhouse gas and leds to global warming?

Q.

The atmosphere of the earth is heated by radiation which is mainly:

1. Radiated by the sun

2. Re-radiated by land

3. Re-radiated by water

4. Re-radiated by land and water

Q.

The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface.

1. release of sun's heat energy by green house gases

2. trapping of sun's heat energy by green house gases

Q. Incomplete combustion of fuel releases gas.

1. carbon dioxide
2. carbon monoxide
3. sulphur dioxide

Q.

What causes carbon dioxide to absorb infrared light?

Q.

Why is it called greenhouse?

Q.

Why does the burning of fossil fuels cause air pollution?

Q. How does water vapour cause greenhouse effect??

Q.

Heating of the Earths surface due to radiation of the Sun trapped by carbon dioxide in the atmosphere is called _______________

Q.

Describe greenhouse effect. [3 MARKS]

Q.

Explain the term 'green house effect'. What are its benefits? How is it harmful?

Q.

We read in newspapers that the burning of fuels is a major cause of global warming. Explain why?

Q.

What is 'greenhouse effect'? State its importantce for us.

Q.

Give reasons for the following :

(a) An excess of carbon dioxide increases the temperature of the earth.

(b) Soda acid and foam type of fire extinguishers are not used for extinguishing electrical fires.

(c) Solid carbon dioxide is used for the refrigeration of food.

Q.

Which of the following causes forest disappearance?

1. Industrialization

2. Increasing population

3. For agriculture

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

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

Q.

Why does the burning of fossil fuels cause air pollution?

Q.

Can global warming be a causative agent of wildfires?

Q. Trapping of environmental heat by the gases present in atmosphere like carbon dioxide, methane, ozone and dust is known as:

1. Ozone layer
2. Greenhouse effect
3. Radioactive effect
4. Solar effect

Q.

Question 6
Incomplete combustion of fuel such as petrol and diesel gives
(a) Nitrogen oxide
(b) Sulphur dioxide
(c) Carbon monoxide
(d) Carbon dioxide

Q. Incomplete combustion of fuel such as petrol and diesel gives​

1. Nitrogen oxide ​
2. Sulphur dioxide ​
3. Carbon monoxide​
4. Carbon dioxide​

Q.

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

5. The trapping of solar heat energy in the earths atmosphere is called greenhouse effect.

1. True
2. False

Q.

What Percent Of Global Warming Is Caused By Humans?

Q. Carbon monoxide is produced by complete burning of fuels such as coal, petrol, diesel. [1 mark]
(a) True
(b) False

Q. Global warming is due to greenhouse effect. The greenhouse gas include:

1. $C{O}_2$
2. Methane
3. Both a & b
4. Chlorine

Q. What causes the global warming?

1. Burning of fossil fuels
2. Deforestation
3. Industrialization
4. All of the above

Q.

What is deforestation?

Q. Question 29
We read in newspapers that burning of fuels is a major cause of global warming. Explain why.

Q.

How does excessive burning of fuel cause global warming?

Q. Which of the following is not a consequence of Greenhouse effect?