Carbon

Q.

Which of the following is the most vital component of all living forms?

1. Condensation

2. Evaporation

3. Raining

4. Thundering

Q. Most of the earth's carbon is found in ___.

1. organisms
2. oceans
3. rocks
4. atmosphere

Q. Which of the following is a reservoir of carbon?

1. Oceans
2. Atmosphere
3. Terrestrial biosphere
4. Fossil fuel

Q.

The most exploited nonrenewable resource is-

1. electricity

2. water

3. petroleum

4. oxygen

Q.

Biogas mainly consists of:

1. methane

2. propane

3. butane

4. ethane

Q.

Fossils fuels and metallic minerals are renewable resources.

1. Renewable resources

2. Combustable

Q.

During the winter season, a person sleeps in a closed room with burning firewood. He experiences nausea and giddiness. The emission of which of the following gas is responsible for it?

1. Nitrous oxide
2. Sulphur dioxide

3. Carbon dioxide

4. Carbon monoxide

Q. Which amidst these does not form organic molecules in living beings?

1. Carbon
2. Nitrogen
3. Sulphur
4. Aluminium

Q. Which of the following is a reservoir of carbon?

1. Oceans
2. Atmosphere
3. Terrestrial biosphere
4. Fossil fuel

Q.

Which of the following is the most vital component of all living forms?

1. Raining

2. Evaporation

3. Condensation

4. Thundering