A succession exhibiting changes in the communities at a place is described as:

Related Mcqs:

1. The primary succession refers to the development of communities on a:

   A. Freshly cleared crop field
   B. Forest clearing after devastating fire
   C. Pons, freshly filled water after a dry phase
   D. Newly-exposed habitat with no record of earlier vegetation

2. Primary succession refers to the development of communities on a:

   A. Pond freshly filled with water after a dry phase
   B. Freshly cleared crop fields
   C. Newly exposed habitat with no record of earlier vegetation
   D. Forest clearing after devastating free

3. 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

4. Which of the following communities is more vulnerable to invasion by outside animals and plants?

   A. Mangroves
   B. Tropical evergreen forests
   C. Temperate forests
   D. Oceanic island communities

5. Study of relationship between communities and environment is called:

   A. Autecology
   B. Ethology
   C. Ecology
   D. Syncology

6. The transition zone between two different types of communities is called:

   A. Biome
   B. Ecotone
   C. Biological spectrum
   D. Biological clock

7. Area where two communities overlap each other:

   A. Niche
   B. Ecotype
   C. Edge line
   D. Ecotone
   E. Corridor

8. 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

9. The direction of succession is:

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

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

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