The most interfering biotic components are:

Related Mcqs:

1. Biotic components consist of:

   A. Producers only
   B. Consumers only
   C. Decomposers only
   D. All of the above

2. The biotic and abiotic components of the ecosystem are connected through:

   A. Standing quality
   B. Climatic regime
   C. Transducers
   D. Humification and mineralization

3. Biotic components of an ecosystem include:

   A. Producers only
   B. Consumers only
   C. Producers and Consumers only
   D. Producers, consumers and decomposers

4. Which are the biotic components of forest ecosystem?

   A. Producers
   B. Decomposers
   C. Consumers
   D. All of the above

5. Non-biotic components can be grouped into:

   A. Lithosphere
   B. Hydrosphere
   C. Atmosphere
   D. All of the above

6. Biotic components are:

   A. Producers (Autotrophy)
   B. Macroconsumers (Heterotrophs)
   C. Microconsumers (Saprotrophs/Decomposers)
   D. All of the above

7. Which one of the following factors is biotic?

   A. Photoperiod
   B. CO2 content to the soil
   C. Texture and porosity of soil
   D. Rainfall

8. 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

9. The biotic factor not involved in the succession:

   A. Human beings
   B. Non-pathogenic microbes
   C. Pathogenic microbes
   D. Grazing animals

10. The elimination of branches by the physical and biotic agencies of the environment is called:

    A. Natural
    B. Self-pruning
    C. Both (a) & (b)
    D. None of these