Forests

Q.

How do forests help in preventing floods?

Q.

Which of the following forest products is used to make beedis?

1. Tendu leaves

2. Rubber

3. Cotton

4. Neem leaves

Q.

What do you mean by afforestation?

Q.

Write a note on desertification.

Q.

Name any two patterns of biodiversity.

Q. Question 6
Which of the following feature is correct for a wildlife sanctuary?

(a) It is an artificially created protected area for animals.
(b) It is a protected area for threatened and endangered wild animals.
(c) It is meant for conservation of only plant species.
(d) Capturing and poaching of animals is strictly prohibited here.

Q. Biodiversity is the variety of life within and between all species of plants, animals and micro-organisms and the ecosystems within which they live and interact.

1. False
2. True

Q.

What is biodiversity ? Why it is different in different places ?

Q. A loss of biodiversity leads to ____.

1. water contamination
2. ecological instability
3. overpopulation
4. environmental pollution

Q.

Amrita bishnoi lost her life while saving forest of ___ trees.

Q.

Biodiversity hot spots are:

1. Areas where large number of different species are found.

2. Hot areas where large number of different species are found.

3. Areas which became hot due to large number of species.

4. Areas where large spot has been created due to death of number of species.

Q.

How does biodiversity benefit the economy?

Q. The process of conversion of forests into pastures, then into arid land and finally into deserts is called .

1. deforestation
2. desertification
3. pasteurisation

Q.

Desert and forest are examples of

1. Genetic diversity

2. Ecological diversity

3. Habitat diversity

4. None of the above

Q.
Over time animals were ruthlessly killed, habitats were destroyed and resources were exploited to satisfy human greed. According to you, how can biodiversity be conserved?

1. Projects for the conservation of special species are to be carried out.
2. By conserving all plants and animals.
3. By maintaining a record of traditional knowledge.
4. By uprooting forests to make land available for agriculture.

Q.

Conservation of wildlife includes:

1. Preventing poaching of animals.

2. Construction of national parks, Sanctuaries.

3. Ban on the trading of endangered species.

4. All of the above

Q.

Write a note on desertification.

Q. Deforestation leads to increased rainfall. [1 mark]

(a) True
(b) False

Q. Conversion of fertile lands into deserts is called _______.

1. 
   drought
2. 
   desertification

Q. Diversity is not observed only in wild animals and Plants.

1. True
2. False

Q. Which of the following are true about forests?

1. Forests provide us with oxygen
2. Forests provide habitat to a large number of animals
3. Forests are a good source of medicinal plants
4. Forests provide drinking water

Q.

What happens when biodiversity decreases?

Q. Which of the following analogies explains the concept of in situ conservation?

1. Saving the forest to save the tiger
2. Saving the tiger to control deer populations
3. Saving the tiger to save the forest
4. Saving the tiger as India’s national animal

Q. The distribution of world's original forests which is intact and undestroyed is estimated as _____.

1. 10 %
2. 20 %
3. 30 %
4. 40 %

Q.

Three friends made the following statements.​

Sunil : Indian giant squirrel is found only in India. It is an X species.​Shruti : Eicchornia now seen growing widely in ponds and lakes was naturally not found in India. It is an Y species.​
Priyanka : Indian rhinoceros will no longer be seen on earth if not conserved. It is an Z species.​

Identify the terms X, Y and Z and select the correct option.

1. X – Epidemic; Y – Exotic; Z - Extinct​
2. X – Endemic; Y – Extinct; Z - Endangered​
3. X – Endemic; Y – Exotic; Z - Endangered​
4. X – Epidemic; Y – Exotic; Z - Endangered​

Q. Flora and fauna are interdependant on each other for their survival.

1. True
2. False

Q. People who live in and around forests depend on the forest products for their livelihood.

1. False
2. True

Q. Select the right sequence with respect to deforestation.

1. Deforestation------loss of topsoil-----soil erosion-----no growth of plants----desertification
2. Deforestation-----no growth of plants----soil erosion----reduced rainfall----desertification
3. Deforestation------desertification-----soil erosion---no growth of plants----reduced rainfall
4. None of the above

Q. The process of conversion of forests into pastures, then into arid land and finally into deserts is called .

1. pasteurisation
2. deforestation
3. desertification

Q. Explain environmental movement by giving the chipko movement as an example