Tag: deforestation and conservation

Questions Related to deforestation and conservation

Agent Orange consisted of

  1. 2,4 - D

  2. 2,4,5-T

  3. Dioxin as contaminant

  4. All the above


Correct Option: D
Explanation:
  • Agent Orange refers to a herbicide mixture which was used by the U.S. military during the Vietnam War and it contained a dangerous chemical contaminant called dioxin. 
  • The active ingredient of Agent Orange was an equal mixture of two phenoxy herbicides – 2,4-dichlorophenoxyacetic acid (2,4-D) and 2,4,5 trichlorophenoxyacetic acid (2,4,5-T) and it also contained traces of the dioxin 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD).
  • So the correct option is ' All of the above'.

Temperate forests occur in India in

  1. Indo-Gangetic plains

  2. Himalayas

  3. Eastern India

  4. Southern Peninsula


Correct Option: B

The branch of science that deals with the development of
forest and utilization of forest product is

  1. Horticulture

  2. Sericulture

  3. Silviculture

  4. Pharmocognosy


Correct Option: C
Explanation:

Silviculture is the process of controlling the growth, composition, health, and quality of the forests to satisfy people's diverse needs and values.

So the correct option is C

Scared groves are specially useful in

  1. generating environmental awareness

  2. preventing soll erosion

  3. year-round flow of water in rivers

  4. conserving rare and threatened species


Correct Option: D
Explanation:

Sacred groves are one of the methods of conserving rare and threatened species as local people worship and not allow the killing of animals and cutting of trees in such areas like Khasi and Jaintia Hills in Meghalaya, Aravalli Hills in Rajasthan etc.

So the correct option is 'conserving rare and threatened species'

Amrita Devi Bishnoi National Award is for 

  1. Afforestation

  2. Wildlife conservation

  3. Water harvesting

  4. None of these


Correct Option: D
Explanation:

The Amrita Devi Bishori National award is awarded for wildlife conservation.

Floods can be prevented by _________

  1. Afforestation

  2. Cutting of forests

  3. Tilling the land

  4. Removing the top soil


Correct Option: A
Explanation:

Afforestation restores ecological balance of all ecosystems, it maintains biological diversity, and act as catchments for soil and water. Thus preventing floods  and conserving soil cover.

Which of the following human activities hampers the activity of forest conservation?

  1. Deforestation

  2. Aforestation

  3. Soil erosion

  4. Both A and C


Correct Option: D

Which of the following activities helps in forest conservation?

  1. Deforestation

  2. Afforestation

  3. Global warming

  4. None of the above


Correct Option: B
Explanation:

Forest conservation is the practice of planning and conserving forests for the sustainability of future generations. Deforestation is the clearing of trees and thereby transforming a forest into cleared land. It results in the loss of habitat for millions of species. Global warming is condition in which there is increase in the earth's surface temperature due to effect of greenhouses gases which are released due to burning of soil, deforestation, etc. Afforestation is the establishment of a forest in an area either naturally or artificially where there was no forest previously. 

Thus, the correct answer is option B.

Which of the following areas helps in the conservation of forests?

  1. Wildlife sanctuaries

  2. National parks

  3. Zoo

  4. All of the above


Correct Option: D
Explanation:

Forests not only provide wood but they directly control floods, drought, soil erosion etc. Forest conservation is very important to maintain a balanced ecosystem. It involves preservation and management of forests and wildlife. Conservation of forests can be done by maintaining biosphere reserves, wildlife sanctuaries, national parks, zoo and botanical gardens.

Thus, the correct answer is option D.