Competition is most severe between:

Related Mcqs:

1. Competition for water, minerals, light and space is most severe between two:

   A. Closely related species occupying the same niche
   B. Closely related species occupying different niche
   C. Unrelated species occupying the same niche
   D. Species occupying different overlapping ecosystems

2. A habitat of long severe winters and growing season limited to a few months of summer constitutes:

   A. Savana ecosystem
   B. Taiga ecosystem
   C. Tundra ecosystem
   D. None of the above

3. These are generally, but not always, developed above the birch zone and in patches, sometimes extensive, within it, probably conditioned by edaphic and biotic factors, in Kashmir, Gilgit, Chitral and Hazara. This type ascends normally to ______ or more above the sub-alpine forests and climate must be similar but more severe than in sub-alpine forests:

   A. 140 m
   B. 150 m
   C. 160 m
   D. 170 m

4. Most severe environmental hazard to mankind is due to:

   A. Air pollution
   B. Water pollution
   C. Noise Pollution
   D. Radioactive pollution

5. The interspecific competition is also called:

   A. Interference competition
   B. Scramble competition
   C. Allelopathy
   D. Synnecrosis

6. For wildlife, the struggle for survival became a competition with human beings and their livestock for the very basis of:

   A. Life
   B. Food
   C. Shelter
   D. Space
   E. All of the above

7. The relationship between the alga Microcystis and the surrounding fauna corresponds to:

   A. Amensalism
   B. Parasitism
   C. Predation
   D. Exploitation

8. The relationship between a climber and the host corresponds to:

   A. Neutralism
   B. Mutualism
   C. Parasitism
   D. Commensalism

9. Relationship between nitrogen fixing bacteria and a legume plant is described as:

   A. Mutualistic
   B. Parasitic
   C. Saprophytic
   D. Commensal

10. The most striking difference between tropical rain forests and temperate forests is that:

    A. The tropical rain forests have preponderance of angiosperms while the temperate ones have preponderance of gymnosperms
    B. The trees of temperate forests are taller than these of tropical rain forests
    C. Plants of temperate forests are comparatively more mesophytic
    D. Tropical forests are comparatively homogenous