The decomposers in an ecosystem constitute the following trophic level:

Related Mcqs:

1. The trophic level of lion is a forest ecosystem is:

   A. T3
   B. T4
   C. T2
   D. T1

2. In a terrestrial ecosystem such as forest maximum energy lies in which trophic level?

   A. T1
   B. T2
   C. T3
   D. T4

3. In natural ecosystem, decomposers include:

   A. Only bacteria and fungi
   B. Only microscopic animals
   C. The above two types of organisms plus macroscopic animals
   D. Only the above two types of organisms

4. If we completely remove the decomposers from an ecosystem, its functioning will be adversely affected because:

   A. Herbivores will not receive solar energy
   B. Rate of decomposition of other component will be very high
   C. Mineral movement will be blocked
   D. Energy flow will be blocked

5. In natural ecosystem, decomposers include:

   A. Only two types of organisms
   B. Only two types of organisms plus macroscopic animals
   C. Only microscopic animals
   D. Only bacteria and fungi

6. The trophic structure in an ecosystem is in fact:

   A. Producer-consumer arrangement
   B. Refers to grazing food chain only
   C. Never forms a food web
   D. Never photosynthesis dependent

7. The following belong to the same trophic level:

   A. Tiger and wild beer
   B. Snake and earthworm
   C. Deer and honey bee
   D. Crow and cow

8. Which of the following belong to the same trophic level?

   A. Yeast and Monotropa
   B. Rhizopus and Riccia
   C. Ulothrix and Yeast
   D. All of these

9. In a parasitic food chain which trophic level is represented by bugs and lices?

   A. T4
   B. T3
   C. T2
   D. T1

10. The transfer of energy from one trophic level to another is governed by the 2nd law of thermodynamics. The average efficiency of energy transfer from herbivores to carnivores is:

    A. 25%
    B. 50%
    C. 10%
    D. 5%