Global Warming

Q.

Global warming is the term used to describe a gradual increase in the average temperature of___.

1. the Earth's oceans

2. the Earth's atmosphere and its oceans

3. the Earth's upper atmosphere

4. the Earth's atmosphere and its lakes

Q.

Which of these sets lists the major greenhouse gases?

1. Nitrogen, Carbon Dioxide, and Methane

2. Nitrous Oxide, Carbon Dioxide, and Methane

3. Nitrogen, Oxygen, Argon

4. Nitrous Oxide, Oxygen, and Methane

Q. Statement A: Greenhouse gases trap heat and acts like a blanket.
Statement B: Greenhouse gases prevents Earth from freezing.

1. Statement A is true while statement B is false.
2. Statement A is false and Statement B is true.
3. Neither of the statements are true.
4. Both the statements are true.

Q.

Which of the following sources of energy causes pollution

1. Geothermal energy

2. Wind energy

3. Solar energy

4. Biogas

Q.

Global warming is basically the result of

1. Anthropogenic activities such as deforestation and industrialisation.
2. Ozone layer depletion
3. Naturally occurring greenhouse gases in the earth’s atmosphere
4. None of these

Q. Which of the following are invisible and have less wavelength than infrared radiation?​

1. X–rays and gamma rays​
2. Ultraviolet and radio waves​
3. Microwaves and X–rays​
4. Gamma rays and red light​

Q.

why is the use of biomass better than that of coal??