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Conservation of Plants and Animals (Class - VIII)

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Deforestation is the clearing of forests over a wide area. It leads to an increase in which of the following in the atmosphere?

  1. Carbon monoxide

  2. Sulphur

  3. Helium

  4. Carbon dioxide

  5. Nitrogen


Correct Option: D
Explanation:

This is the correct option. Deforestation leads to an increase in levels of carbon dioxide in the atmosphere.

Which of the following are the life supporting parts of the earth?

a. Biosphere b. Troposphere c. Stratosphere

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c


Correct Option: A
Explanation:

This is the correct option. Biosphere is the life supporting part of the earth. It includes land surface of the earth, atmosphere as well as the water bodies of the earth.

Red Data Book keeps a record of all the endangered animals, plants and other species. Which of the following animals is not listed in the Indian Red Data Book?

  1. Rhesus monkey

  2. Indian giant squirrel

  3. Black buck

  4. Himalayan musk deer

  5. Great Indian rhinoceros


Correct Option: A
Explanation:

This is the correct option. Rhesus monkey is not listed in the Indian Red Data Book.

Extinct species are those which have died out completely. Which of the following animals is an example of extinct species?

  1. Caspian tiger

  2. Snow leopard

  3. Kashmir stag

  4. Asiatic lion

  5. Desert cat


Correct Option: A
Explanation:

This is the correct option. Caspian tiger is an example of extinct species. All the members of this species have died out.

The plants of a particular area are called the flora of that area. Which of the following trees is not a part of the flora of Pachmarhi Biosphere Reserve?

  1. Jamun

  2. Sal

  3. Teak

  4. Mango

  5. Coconut


Correct Option: E
Explanation:

This is the correct option. Coconut tree is not a part of the flora of Pachmarhi Biosphere Reserve.

Pachmarhi Biosphere Reserve is in Madhya Pradesh. Which of the following are a part of it?

a. Bori Sanctuary b. Satpura National Park c. Sanjay Gandhi Wildlife Sanctuary d. Mudumalai Wildlife Sanctuary

  1. Only a and c

  2. Only b and c

  3. Only a and b

  4. Only b and d

  5. Only a and d


Correct Option: C
Explanation:

This is the correct option. Bori Sanctuary and Satpura National Park are a part of Pachmarhi Biosphere Reserve.

Rock shelters, objects of historical importance, are found in which of the following national parks?

  1. Satpura National Park

  2. Bandipur National Park

  3. Dachigam National Park

  4. Sariaks National Park

  5. Sunderbans National Park


Correct Option: A
Explanation:

This is the correct option. Rock shelters are found in Satpura National Park, Madhya Pradesh. These rock shelters are evidence of pre-historic human life in these jungles.

Satpura National Park has a large number of species of wild animals in it. Which of the following species is no longer found in Satpura National Park?

  1. Indian bison

  2. Wild buffalo

  3. Sloth bear

  4. Wild boar

  5. Barking deer


Correct Option: B
Explanation:

This is the correct option. Wild buffalo is no longer found in Satpura National Park.

Match the following:

 
a. Dachigam National Park 1. Karnataka
b. Bandipur National Park 2. West Bengal
c. Sunderbans National Park 3. Jammu and Kashmir
  1. a - 3, b - 1, c - 2

  2. a - 1, b - 2, c - 3

  3. a - 2, b - 1, c - 3

  4. a - 1, b - 3, c - 2

  5. a - 3, b - 2, c - 1


Correct Option: A
Explanation:

This is the correct option. Dachigam National Park is in Jammu and Kashmir. Bandipur National Park is in Karnataka. Sunderbans National Park is in West Bengal.

Migration is when a bird moves from one place to another in one season and returns in a different season. Which of the following birds comes from Siberia to India every year?

  1. Kingfisher

  2. Crane

  3. Asiatic sparrow-hawk

  4. Harrier

  5. Bluethroat


Correct Option: B
Explanation:

This is the correct option. Crane is the bird that comes from Siberia to India every year. It migrates to warmer places in India when it is very cold in Siberia.

Which of the following is the first forest reserve of India?

  1. Corbett National Park

  2. Kanha National Park

  3. Ranthambore National Park

  4. Kaziranga National Park

  5. Satpura National Park


Correct Option: E
Explanation:

This is the correct option. Satpura National Park in Madhya Pradesh is the first forest reserve of India.

Sunderbans Biosphere Reserve is located in which of the following Indian states?

  1. Andaman and Nicobar

  2. Assam

  3. Madhya Pradesh

  4. West Bengal

  5. Haryana


Correct Option: D
Explanation:

This is the correct option. Sunderbans Biosphere Reserve is located in West Bengal.

Which of the following statements is/are false about reforestation?

a. It produces a large quantity of raw material for timber trade, paper industry, etc. b. It increases rainfall in a particular area that further raises groundwater level and prevents drought. c. It leads to an increase in global warming by increasing the amount of carbon dioxide in the atmosphere.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c


Correct Option: E
Explanation:

This is the correct option as this statement is false. Reforestation leads to a decrease in global warming by decreasing the amount of carbon dioxide in the atmosphere.

In which of the following zones of the biosphere are activities such as settlements of tribals and cultivation of crops allowed?

a. Core zone b. Buffer zone c. Transition zone

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c


Correct Option: E
Explanation:

This is the correct option. In the transition zone, activities such as settlements of tribals and cultivation of crops are allowed.

Which of the following animals is a friend of the farmers as it eats vermins which damage the crops?

  1. Rat

  2. Locust

  3. Mice

  4. Beetle

  5. Snake


Correct Option: E
Explanation:

This is the correct option. Snake is a friend of the farmers as it eats vermins like rats and mice which damage the crops.

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