Green House Effect

Q. In countries closer to poles, plants are grown in glass or plastic built houses. What could be the possible reason?

1. To protect them from grazing stock
2. To provide hygienic atmosphere
3. To maintain optimum temperature
4. To cause global warming

Q. Excessive green house effect can be controlled by:

1. Reducing deforestation, cutting down use of fossil fuel
2. Reducing afforestation, increasing the use of fossil fuel
3. Increasing deforestation, reducing efficiency of energy usage
4. Increasing deforestation, slowing down the growth of human population

Q.

what is thermal pollution?how it is caused?

Q.

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

1. Greenhouse effect

2. Solar wind

3. Solar trapping

4. Sunburn

Q.

The term “water-pollution” can be defined in several ways. Which of the following statements does not give the correct definition?

1. The addition of undesirable substances to water bodies.

2. The removal of desirable substances from water bodies.

3. A change in pressure of the water bodies.

4. Addition of industrial wastes into the water bodies.