Ecological pyramids are of:

Related Mcqs:

1. The ecological pyramids were first designed by:

   A. Clements
   B. Kormondy
   C. Warming
   D. Elton

2. Which type of the following ecological pyramids are never inverted?

   A. Pyramids of number
   B. Pyramids of energy
   C. Pyramids of biomass
   D. Pyramids of dry biomass

3. Ecological pyramids were discovered by:

   A. Elton
   B. Odum
   C. Reiter
   D. None of these

4. Tip of ecological pyramid is occupied by:

   A. Herbivores
   B. Carnivores
   C. Producers
   D. None of these

5. A crocodile had just eaten a lamb when a hawk saw the crocodile attacked it, and consumed it. The hawk is in ecological terms:

   A. A producer
   B. A primary consumer
   C. A secondary consumer
   D. A tertiary consumer

6. Which ecological cycle is directly driven by sunlight?

   A. Hydrologic
   B. Phosphorus
   C. Nitrogen
   D. Sulphur

7. Tip of ecological pyramid is occupied by:

   A. Herbivores
   B. Carnivores
   C. Producers
   D. Decomposers

8. Different ecological areas have different techniques for afforestation. These techniques are:

   A. Afforestation of dry tracts with irrigation
   B. Afforestation of canal banks
   C. Reclamation of dry sites without irrigation
   D. Reclamation of denuded hill slopes
   E. All of the above

9. The ecological succession occurring as population 1 ? 2 ? 3 ? 4 indicates

   A. Cyclic succession
   B. Induced succession
   C. Retrogressive succession
   D. Allogenic succession

10. In order to maintain proper ecological balance:

    A. The existing forests should be cleared and new ones should be planted
    B. Some quick growing anuals should be planted if a tree must be cut for other uses
    C. Tree must be cut whenever necessary because the underground part performs the useful purpose
    D. A tree should be planted in place of one to be cut