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Conservation of Plants and Animals (Set - I)

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Which of the following statements is incorrect?

  1. The planted trees in reforestation should generally be of the same species that were found in that forest.

  2. At least half the number of trees that are cut, should be planted.

  3. Reforestation can take place naturally also.

  4. None of these


Correct Option: B
Explanation:

The planted trees in reforestation should generally be of the same species that were found in that forest and at least equal to the number of trees that are cut. Reforestation can take place naturally also.

Which among the following correctly defines ‘biodiversity’?

  1. The variety of flora found in an area.

  2. The variety of fauna found in an area.

  3. The variety of flora and fauna found in an area.

  4. None of these


Correct Option: C
Explanation:

'Biological diversity' means the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are a part; this includes diversity within species, between species and of ecosystems.  

The Pachmarhi Biosphere Reserve consists of

  1. a national park and a wildlife sanctuary

  2. a national park and two wildlife sanctuaries

  3. two national parks and a wildlife sanctuary

  4. two national parks and two wildlife sanctuaries


Correct Option: B
Explanation:

The Pachmarhi Biosphere Reserve consists of a national park and two wildlife sanctuaries.

Which of the following is not the consequence of deforestation?

  1. Increase in temperature

  2. Increase in the level of ground water

  3. Increase in pollution level

  4. Increase in the level of carbon dioxide


Correct Option: B
Explanation:

Deforestation causes increase in temperature, increase in pollution level, increase in the level of carbon dioxide and decrease in the level of ground water.

To protect our flora and fauna and their habitats, protected areas which has/have been earmarked are called

  1. Biosphere reserve

  2. Wildlife sanctuary

  3. National park

  4. All of the above


Correct Option: D
Explanation:

To protect our flora and fauna and their habitats, protected areas called sancturies, national parks and biosphere reserves have been earmarked. 

Why do birds migrate to far away places?

  1. Because they get bored in the same place

  2. They sometimes get caught up in wind curents and have no option but to fly along

  3. In search of prey

  4. Because of climatic changes


Correct Option: D
Explanation:

Birds migrate to far away places because of climatic changes.

Which of the following is not the purpose for cutting down trees in a forest?

  1. Building houses and factories

  2. Making furniture from the wood

  3. Obtaining food from them

  4. Using wood as a fuel


Correct Option: C
Explanation:

Trees are cut down in forest for building houses and factories on that land, making furniture from the wood and using wood as a fuel.

What does the Forest Conservation Act aim at?1.) Preservation and conservation of trees2.) Destroying houses and buildings to plant trees3.) To ban the use of wood.

  1. Only (1)

  2. Only (3)

  3. Both (1) and (2)

  4. Both (1) and (3)


Correct Option: A
Explanation:

The Forest Conservation Act aims at preservation and conservation of trees.

We need to conserve wildlife to

  1. maintain ecological balance

  2. preserve biodiversity

  3. conserve endangered species

  4. All of the above


Correct Option: D
Explanation:

Wildlife should be conserved to maintain ecological balance, to preserve biodiversity and to conserve endangered species.

How is saving paper beneficial for us? (a) It saves trees. (b) It saves energy and water. (c) It reduces the amount of harmful chemicals used in paper making.

  1. (a) only

  2. (a) and (c) only

  3. (a) and (b) only

  4. All of the above


Correct Option: D
Explanation:

Saving paper helps to save trees, energy and water. It reduces the amount of harmful chemicals used in paper making.

_________ is the part of the earth in which living organisms exist.

  1. Atmosphere

  2. Stratosphere

  3. Thermosphere

  4. Biosphere


Correct Option: D
Explanation:

Biosphere is the part of the earth in which living organisms exist.

Cutting of trees or clearing of forests to use the land for other purposes is known as

  1. urbanisation

  2. afforestation

  3. deforestation

  4. modernisation


Correct Option: C
Explanation:

Cutting of trees or clearing of forests to use the land for other purposes is known as deforestation.

______ are those species of plants, animals and birds, which are found exclusively in a particular area.

  1. Endangered species

  2. Migrated species

  3. Endemic species

  4. Exotic species


Correct Option: C
Explanation:

Endemic species are those species of plants, animals and birds, which are found exclusively in a particular area.

Which of the following statements is false?

  1. ‘Project Tiger’ was launched to capture all the tigers of the country.

  2. An ecosystem also includes non-living components.

  3. Humans are harming themselves by killing animals ruthlessly.

  4. None of these


Correct Option: A
Explanation:

'Project Tiger' was launched to conserve tigers.

Which of the following is not a measure taken by the government for the conservation of flora and fauna?

  1. Laying down rules to protect them

  2. Stopping natural calamities

  3. Implementing policies on the destruction of flora and fauna

  4. Establishing protected areas for their conservation


Correct Option: B
Explanation:

Government has laid down rules to protect flora and fauna. It has also implemented policies and established protected areas for their conservation. However the government has no control over natural calamities.

____________is the permanent destruction of forests in order to make the land available for non-forest uses.

  1. ecosystem

  2. afforestation

  3. deforestation

  4. housekeeping


Correct Option: C
Explanation:

Deforestation is the permanent destruction of forests in order to make the land available for non-forest uses.

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