Biosphere means:

Related Mcqs:

1. Biosphere reserves means:

   A. The protected land and coastal areas
   B. That are approved under the Man and the Biosphere
   C. In conjunction with the Conception on International Trade in Endangered Species (CITES)
   D. All of the above

2. The term biosphere is used for the zone of earth where life exists:

   A. On the lithosphere surface
   B. In the hydrosphere
   C. In the lithosphere, hydrosphere and atmosphere
   D. In the lithosphere and hydrosphere

3. Biosphere refers to:

   A. Plants of a particular area
   B. Area occupied by living beings
   C. Plants of world
   D. Spherical plants

4. If carbon dioxide is withdrawn from the biosphere, which organism would first experience negative effect?

   A. Primary consumers
   B. Producers
   C. Secondary consumers
   D. Tertiary consumers

5. Biosphere is that:

   A. By which life originated
   B. Where individuals interact with each other
   C. Which relates to spherical organisms
   D. Organic compound by which the life diminishes

6. Forests means:

   A. To society of American forests (SAF) is an eco-system characterized by a more or less dense and extensive tree cover
   B. A plant community with predominance of trees and other woody vegetation, growing more or less closely together
   C. Both (a) & (b)
   D. None of these

7. Acclimatization means:

   A. The process by which plants and animals become accustomed to unusual environmental conditions
   B. That they are able to live and produce
   C. Both (a) & (b)
   D. None of these

8. Biota means:

   A. The general description of all the flora and fauna of the planet
   B. It covers all living things from the tiniest submicroscopic organism to the elephant and giant redwood tree
   C. All of which are supported by the biosphere
   D. All of the above

9. C3 plants means:

   A. A group of plants including the soya bean wheat and cotton
   B. The process of carbon fixation during photosynthesis
   C. The prod use a compound essential for growth that consists of molecules each containing three atoms of carbon
   D. All of the above

10. Peat means:

    A. A dense accumulation of only partially decomposed plant materials which has formed in wetlands over a period of thousand of years
    B. It collects in still water which does not have enough oxygen to complete the total process of decay
    C. Both (a) & (b)
    D. None of these