The cycling of elements in an ecosystem is called:

Related Mcqs:

1. Exotic species, which brought for plantation from some other country to our country or even from one ecosystem to other ecosystem are called, as exotic species like:

   A. Pinus nigra – Japan B. Euralyptus – Australia C. Polunia – China D. All of the above...

2. In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:

   A. Primary and secondary consumers are similar B. Both biotic and abiotic components are different C. The biotic components are almost similar D. The abiotic components are almost similar...

3. The river mouth ecosystem is called:

   A. Estuarine B. Lotic C. Lentic D. None of these...

4. The ecosystem lying in the alpine zone between taiga and polar ice is called:

   A. Savana B. Autotrophic C. Heterotrophic D. Tundra...

5. Food levels in an ecosystem are called:

   A. Trophic levels B. Consumer levels C. Producer levels D. Herbivores levels...

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

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

7. Which of the following terms is not a synonym literally for ecosystem?

   A. Ectosome B. Ecosphere C. Microcosm D. Holocene...

8. In a stabilized ecosystem the P/R ratio is:

   A. One B. Less than one C. More than one D. Any of these...

9. In an ecosystem, bacteria are considered as:

   A. Microconsumers B. Secondary consumers C. Primary consumers D. None of these...

10. Which part of the pond ecosystem does not affect by the temperature:

    A. Epilimnion B. Metalimnion C. Hypolimnion D. All of the above...