Biodiversity

Biodiversity

Easy Questions
Moderate Questions

Environment & Ecology

Environment
Pollution-1
Biodiversity
Climate Change
Biosphere Reserves of India
  1. In nitrogen Cycle, soil nitrates are transformed into free nitrogen by








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    denitrifying bacteria

    Correct Option: B

    denitrifying bacteria

  1. The use of microorganism metabolism to remove pollutants such as oil spills in the water bodies is known as








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    bioremediation

    Correct Option: B

    bioremediation

  1. What is the primary source of food for marine life?








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    Phytoplankton

    Correct Option: A

    Phytoplankton

  1. 'Nitrosomonas' bacteria in the root modules of leguminous plants converts nitrogen gas from air into inorganic nitrogen compounds which enrich the soil and can be readily used by plants. Multiple cropping with legumes can thus significantly reduce the need for








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    fertilizers

    Correct Option: B

    fertilizers

  1. The orderly sequence of change in the vegetation of an area over time is described as








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    The orderly sequence of change in the vegetation of an area over time is described as succession. During succession, the sequence of PIONEER COMMUNITY ⇒ SERAL COMMUNITY ⇒ CLIMAX COMMUNITY are progressively grown on the vegetationless regions. The succession in water and desert are known as Hydrosere and Xerosere respectively.

    Correct Option: B

    The orderly sequence of change in the vegetation of an area over time is described as succession. During succession, the sequence of PIONEER COMMUNITY ⇒ SERAL COMMUNITY ⇒ CLIMAX COMMUNITY are progressively grown on the vegetationless regions. The succession in water and desert are known as Hydrosere and Xerosere respectively.