Mark the climatic cause for the initiation of succession:

Related Mcqs:

1. The physiographic factor responsible for the initiation of succession to:

   A. Erosion
   B. Fire
   C. Hail
   D. Wind

2. A complex of several species and communities in various stages of succession maintained under similar climatic conditions is known as:

   A. Biome
   B. Environmental complex
   C. Biological spectrum
   D. Biological clocks

3. Mark the correct sequence of events occurring during ecological succession:

   A. Nudation – ecesis – aggregation – migration
   B. Migartion – ecesis – aggregation – nudation
   C. Nudation – migration – ecesis – aggregation
   D. Nudation – ecesis – migration – aggregation

4. When the vegetation of any region reaches climatic climax, it is:

   A. Lithophytic
   B. Xerophytic
   C. Mesophytic
   D. Hydrophytic

5. In a biome the life form of climatic climax vegetation is:

   A. Uniform
   B. Variable
   C. Absent
   D. Unpredictable

6. Protection against injurious climatic factors is / are:

   A. Temperature
   B. Frost damage
   C. Rain damage
   D. All of the above

7. During ecological succession from pioneers to climax community the biomass of vegetation:

   A. Increases, then decreases
   B. Remains constant
   C. Decreases continuously
   D. Increases continuously

8. The direction of succession is:

   A. Predictable
   B. Unpredictable
   C. Hephazard
   D. Always changing

9. The ecological succession was first studied by:

   A. Clements
   B. Hult
   C. Odum
   D. King

10. Plant succession taking place in sandy area is precisely called:

    A. Halosphere
    B. Psammosphere
    C. Xerosphere
    D. Hydrosphere