Consequences of Deforestation

Q.

What all things that trees give us?

Q.

What would happen if the forest disappears?

Q.

Which of the following gases is responsible for global warming?

1. Carbon dioxide

2. Carbon monoxide

3. Argon gas

4. Neon gas

Q.

What do you understand by Vanishing forest?

Q.

How do changes in the environment affect species extinction?

Q.

Which of the following gases is mostly responsible for global warming?

1. Carbon monoxide

2. Carbon dioxide

3. Argon gas

4. Neon gas

Q.

What is deforestation and what is its impact on human life? [3 MARKS]

Q. Which of the following is not a cause of deforestation?

1. Planting trees
2. Urbanisation
3. Industrialisation
4. Mining

Q.

What are the causes and consequences of deforestation?

Q.

Which of the following is not a cause of global warming by enhanced greenhouse effect?

1. carbon dioxide gas
2. other green house gases
3. additional heat entrapment
4. all of these

Q.

Forests reduce global warming and control the enhanced green house effect by

1. Causing rain

2. Protecting wildlife

3. Absorbing carbon dioxide

4. All of the above

Q.

If forests are cut, what effect would it have on the lives of human beings as well as on wildlife?

Q.

Deforestation will result in the extinction of many species due to

1. Overexploitation

2. Co-extinction

3. Habitat loss

4. Introduction of exotic species

Q. Statement I: Destruction of forests affects the availability of forest products.

Statement II: Deforestation affects the frequency of floods.

1. Both the statements are correct
2. Both the statements are incorrect
3. Only statement I is correct
4. Only statement II is correct

Q. Which of the following factors in a forest help in controlling the floods?

1. Diversity
2. Root system of trees
3. Fertile and porous soil
4. Canopy

Q. Explain how forests prevent floods. [2 marks]

Q.

Question 8
Why should we worry about the conditions and issues related to forests far from us?

Q.

Plants or animals become extinct when

1. There is a sudden change in the climate

2. Their habitat is destroyed by human beings

3. Animals are hunted for sport

4. all of the above

Q. Which activity is depicted by the image given below?

1. Deforestation
2. Reforestation
3. Afforestation
4. Overgrazing

Q. Due to rapid urbanisation, we are clearing off the forests. Which of the following things get disturbed in this process?

1. Food chain
2. Oxygen-carbon dioxide balance in air
3. Water table
4. Human population

Q. Discovery of fossil fuels by modern humans led to industrialization. This led to the third wave of extinction of animals and plants.

1. True
2. False

Q. What is global warming what should be done to stop global warming . Tell answer in points

Q.

Green house gases (carbon dioxide, methane, etc) are useful for atmosphere as it traps heat in the atmosphere so that there is a proper balance of temperature. But excessive amount of greenhouse gases cause several problems. Which among the following is caused due to the excessive release of green house gases in the atmosphere?

1. Acid rain

2. Land slide

3. Global warming

4. Tsunami

Q. Enhanced greenhouse effect is not the cause of climate changes.

1. True
2. False

Q. Which one of the following is not a wool yielding animal?

1. Sheep
2. Angora goat
3. Buffalo
4. Alpaca
5. None of these

Q. Industrialisation is one of the major causes of deforestation.

1. False
2. True

Q. Which of the following are the results of deforestation?

1. Migration of tribal people towards cities
2. Migration of wild animals towards cities
3. Improvement in human lifestyle
4. Extinction of several species of plants and animals

Q.

How does deforestation cause species extinction?

Q.

We need to look at alternative sources of paper because paper demand is one of the leading causes of deforestation. Say true or false.

1. True

2. False

Q. When ice on land slides into the ocean, it displaces ocean water and causes sea level to rise.

1. True
2. False