Deforestation

Q.

How does deforestation lead to reduced rainfall?

Q.

The reason why living on the edge has become popular, is because of the.

Q.

Is deforestation associated with global warming? Explain.

Q.

Name two man-made causes of deforestation and two natural causes of deforestation.

Q.

The process of planting new trees is called

1. Species

2. Deforestation

3. Desertification

4. Reforestation

Q. Species which are on the verge of extinction are called _____ species.

1. extinct
2. endangered
3. alien
4. endemic

Q.

Explain how deforestation leads to reduced rainfall?

Q. Which of the folowing means the opposite of Deforestation?

1. Desertification
2. Infilteration
3. Reforestation
4. Decanation

Q. Deforestation leads to the:

1. Increase in nutrient content of soil
2. Floods washing away topsoil, along with nutrients
3. Increased maintenance of soil fertility
4. Reduction in drought-like events

Q.

How deforestation lead to a decrease in water holding capacity of the soil.

Q.

How does deforestation reduce rainfall on the one hand and lead to floods on the other ?

Q.

Can a forest regenerate naturally in a short period of time?

Q. Q. List five ways in which one, as an individual, can contribute to conserving forests and wildlife

Q. Why should we conserve forests? (5 points)

Q.

Which statement is incorrect about endangered species?

1. Their number has decreased drastically

2. They might become extinct in the near future

3. They pose a danger to other animals

Q. Question 3 (b)
Discuss the effects of deforestation on the environment.

Q. Question 4 (a)
What will happen if:
We go on cutting trees.

Q. Without the regular grazing of sheep, the grass first grows very tall and then fall over preventing the fresh growth at the great Himalayan National Park.

1. True
2. False

Q.

Write a note on deforestation.

Q.

What will happen if:
(a) We go on cutting trees.
(b) The habitat of an animal is disturbed.
(c) The top layer of soil is exposed.
[5 MARKS]

Q. How does deforestation leads to global warming?

Q.

What is meant by deforestation ? What are the causes of deforestation ?

Q.

20. Which of the following is not related to drought?

1. No rain

2. Shortage of food and fodder

3. Melting of mountain snows

4. Falling off the water table

Q.

Which of the following activities, if not checked in time, may ultimately lead to the rise in sea level ca the flooding of low-lying coastal areas ?
(a) desalination
(b) desertification
(c) deforestation
(d) desegregation

Q.

A natural phenomenon that becomes harmful due to pollution is

1. Global warming

2. Ecological balance

3. Greenhouse effect

4. Destrification

Q.

The process in which forests are converted into pastures, then into arid land and finally into deserts is known as:

1. disinfection
2. pasteurization
3. soil erosion
4. desertification

Q. is the establishment of a forest in an area where there was no forest.

1. Reforestation
2. Afforestation
3. Planting

Q. Excessive combustion of fossil fuel leads to increase in oxygen in the atmosphere.

1. False
2. True

Q. Q. Explain how deforestation can result in drought and floods?

Q. Deforestation leads to

1. Soil erosion
2. Global warming
3. Both A and B
4. Soil protection