Greenhouse Effect

Q. Which of the following gases are greenhouse gases present in the atmosphere?

1. Oxygen
2. Carbon dioxide
3. Methane
4. Water vapour

Q. Which of the following are major green house gases?

1. Carbon dioxide
2. Methane
3. Water vapour
4. Nitrogen

Q. The gases that help to trap the heat are called _______.

1. greenhouse gases
2. white house gases
3. in-house gases
4. green room gases

Q. Why do people cultivate plants in a greenhouse?

1. Greenhouse is transparent to incoming sunlight.
2. Greenhouse traps heat.
3. Temperature inside the greenhouse is lower than that of the surroundings.
4. Greenhouse increases fertility of the soil.

Q. Without the protection of the atmosphere, we would be _______ during the night.

1. normal
2. uncomfortable
3. freezing
4. feeling slightly cold

Q. Which gas in the atmosphere is primarily responsible for global warming?

1. Sulphur dioxide
2. Ozone
3. Carbon dioxide
4. Nitrous oxide

Q.

A green house

1. Is an enclosure of glass in which plants are kept to
   protect them from cold air outside

2. Is that “body” which allows the short-wavelength incoming solar radiation to enter in but does not allow long-wavelength outgoing infra-red radiations to escape out

3. Both (a) and (b)

4. Neither (a) nor (b)

Q.

what is "green" in green house effect?

Q. Which of the following are the consequences of Global warming?

1. Refugee Crisis
2. Submerging of island nations.
3. Melting of Glaciers
4. Flooding

Q. Personal response
Imagine you have to spend a night in a lighthouse. Narrate your experience.

Q.

What is the greenhouse?