Tag: pollution of soil

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Questions Related to pollution of soil

Multiple choice evs - i the environment and us damaging the forests deforestation and afforestation protecting our environment pollution of soil degradation of land

Replanting forest at places where they were destroyed is called :

  1. reforestation

  2. desertification

  3. replantation

  4. degradation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A- Reforestation is natural or intentional restocking of forests that have been depleted mainly due to deforestation or any natural calamity. Reforestation gives boost to the wild life and helps in improving the air quality, climate control, improvement in natural resources and many more advantages for living beings.

Multiple choice evs - i the environment and us damaging the forests deforestation and afforestation protecting our environment pollution of soil degradation of land

Which of the following prevents afforestation in deserts?

  1. Goat and grazing animals

  2. Local resident

  3. Unfertility of soil

  4. Low rainfall
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Major problem in desert is lack of rainfall. While grazing of animals and local residents can be controlled but without rainfall growth of trees and afforestation is not possible. 

Multiple choice evs - i the environment and us damaging the forests deforestation and afforestation protecting our environment pollution of soil degradation of land

Forest reserves can be protected through all measures except

  1. Laws inhibiting tree felling

  2. Laws allowing tree felling

  3. Prohibition of hunting

  4. Human population control
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Laws allowing tree felling would encourage deforestation rather than protecting forest reserves. The other options are legitimate conservation measures.

Multiple choice evs let's plant trees damaging the forests deforestation and afforestation protecting our environment pollution of soil degradation of land

Plants control the humidity in air by

  1. Photosynthesis

  2. Transpiration

  3. Photorespiration

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plants absorb water from the soil and looses it to the atmosphere by transpiration,hence,control the humidity in air by acting as a water exchanger between ground and atmosphere.

Multiple choice evs let's plant trees damaging the forests deforestation and afforestation protecting our environment pollution of soil degradation of land

Deforestation causes__________ to linger in the atmosphere.

  1. $CO _2$
  2. $H _2O$
  3. $O _2$
  4. $N _2$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Deforestation causes carbon dioxide to linger in the atmosphere. As carbon dioxide accrues, it produces a layer in the atmosphere that traps radiation from the sun. The radiation converts to heat which causes global warming, which is better known as the greenhouse effect.

Multiple choice evs - i the environment and us damaging the forests deforestation and afforestation protecting our environment pollution of soil degradation of land

The establishment of forest growth on areas that either had forest or lacked it is known as

  1. Deforestation.

  2. Organic farming.

  3. Forestation.

  4. None of these.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Forestation is the general term for establishing forest growth in an area, regardless of whether it had trees previously or not.

Multiple choice evs - i the environment and us damaging the forests deforestation and afforestation protecting our environment pollution of soil degradation of land

The establishment of a forest or stand of trees in an area where there was no previous tree cover is known as

  1. Deforestation.

  2. Afforestation.

  3. Forestation.

  4. None of these.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Afforestation specifically refers to the establishment of a forest in an area that did not have tree cover previously.

Multiple choice evs let's plant trees damaging the forests deforestation and afforestation protecting our environment pollution of soil degradation of land

Which of the following contributes the most towards deforestation?

  1. Logging

  2. Commercial agriculture

  3. Subsistence farming

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Subsistence farming is responsible for $48$% of deforestation; Commercial agriculture is responsible for $32$%; logging is responsible for $14$%, and fuel wood removals make up $5$%.