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Environmental Issues Test - 14

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Environmental Issues Test - 14
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Chipko movement is connected with

    Solution

    Chipko movement is connected with plant or forest conservation by participation of people in conservation of forest in which women of village dared to protect the tree from cutting by contractor.

     

  • Question 2
    1 / -0

    Deforestation is the conversion of

    Solution

    Deforestation is the conversion of forested areas to non-forested ones. Deforestation occurs due to industrialization, urbanization and construction of roads etc.

     

  • Question 3
    1 / -0

    Almost 40% of forest is lost in

    Solution

    Almost 40% of forest is lost in tropical regions of the world as compared to only percent of temperate regions. Forest are absent in polar regions.

     

  • Question 4
    1 / -0

    Jhum cultivation is also known as

    Solution

    Jhum cultivation, also known as the slash and burn agriculture, is the process of growing crops by first clearing the land of trees and vegetation and burning them thereafter.

    The burnt soil contains potash which increases the nutrient content of the soil. It is practised by tribal groups in northeastern states of Arunachal Pradesh,meghalaya, mizoram.

    It is also contributed to deforestation.

     

  • Question 5
    1 / -0

    The process of restoring a forest that once existed but was removed at some point of time is called

    Solution

    Reforestation is the natural or intentional restocking of existing forests and woodlands that have been depleted, usually through deforestation.

    Reforestation can be used to rectify or improve the quality of human life by soaking up pollution and dust from the air, rebuild natural habitats and ecosystems, mitigate global warming since forests facilitate biosequestration of atmospheric carbon dioxide, and harvest for resources, particularly timber, but also non-timber forest products.

     

  • Question 6
    1 / -0

    Deforestation is the major causal agent of

    Solution

    Deforestation is the major causal agent of desertification of habitat. Forest is the habitat of large number of organisms. In absence of forest organisms are not able to survive that provide food, shelter and habitat all together.

     

  • Question 7
    1 / -0

    Social forestry is

    Solution

    Social forestry means the management and protection of forest and afforestation of barren and deforested lands with the purpose of helping environmental, social and rural development. The term, social forestry, was first used in India in 1977 by The National Commission on Agriculture, Government of India.

    Social forestry is the growing and management of useful plants on common lands. Social forestry is useful in conservation of plants and obtaining useful products.

     

  • Question 8
    1 / -0

    If we remove half of the forest cover of earth, the crisis that will

    Solution

    If we remove half of the forest cover of earth, the crisis that will arise includes population, pollution and ecological imbalance of nature will occur as forest provide shelter as well as food to organisms.

     

  • Question 9
    1 / -0

    Assertion: Deforestation causes loss of biodiversity.

    Reason: Loss of biodiversity occurs due to habitat loss of organisms.

    Solution

    A number of microorganisms and other organism live in forest and get their food and shelter.

    Deforestation causes loss of biodiversity. Loss of biodiversity occurs due to habitat loss of organisms.

     

  • Question 10
    1 / -0

    Major consequence of deforestation includes
    I. Enhanced carbon dioxide concentration in atmosphere.
    II. Loss of biodiversity
    III. Soil erosion
    IV. Flood and drought

    Solution

    population of living organisms within the system. Deforestation involves removal of plant biomass which cripples the system. Various useful products such as firewood, timber, honey, fruits, nuts, resins and medicinal plants etc. are no longer available. A chain of events is set into motion the consequences of which can be summed up as follows:

    • Soil degradation and erosion
    • Changes in climatic conditions
    • Destruction of natural habitats.

     

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