Which of the following describes a community?

Related Mcqs:

1. Due to modification of the environment by the plant community itself, when one community is replaced by another suitable community, the succession is called:

   A. Induced
   B. Deflated
   C. Allogenic
   D. Autogenic

2. 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

3. The nature of a climax community depends upon:

   A. Water factor
   B. Temperature
   C. Soil fertility
   D. Climate

4. The community which begins succession in a habitat is designated as:

   A. Seral community
   B. Biotic community
   C. Pioneer community
   D. Ecosere

5. The nature of climax community ultimately depends upon:

   A. Climate
   B. Soil organism
   C. Bed rock
   D. Pool of available nutrients

6. The ultimate seral community appears in an area as a result of:

   A. Reaction
   B. Nudation
   C. Invasion
   D. Ecesis

7. In a hydrosphere the plants like Carex, Cyperus, and Juncus appear just after a community comprising:

   A. Lemna, Wolffia, Spirodela
   B. Nuphar, Nelumbo, Victoria
   C. Scirpus, Typha, Sagittaria
   D. Najas, Ceratophyllum, Elodea

8. The invasion of a community in succession involves:

   A. Ecesis, aggregation and competition
   B. Migration, aggregation and competition
   C. Aggregation, competition and coaction
   D. Migration, ecesis and aggregation

9. The last community in a succession is called:

   A. Ecosystem
   B. Climatic community
   C. Ecotons
   D. Seral community

10. A community is:

    A. A collection of plant and animals
    B. Organism living in a habitat
    C. Autotrophs and hetrotrophs
    D. Web of life