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

Related Mcqs:

1. 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

2. Which one of the following terms does not reflect the idea of ecosystem:

   A. Holocoene
   B. Cherposem
   C. Biosystem
   D. Geobiocoenosis

3. 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

4. Which of the following characterizes the biomass in an ecosystem?

   A. The biomass of producers is less than the combined biomass of consumers and decomposers
   B. No general statement can be made about relative biomass of different ecological groups
   C. The biomass of secondary consumers is usually greater than the biomass of primary consumers
   D. The biomass of producers is generally greater than the biomass of primary consumers

5. The gross primary production is maximum in the following ecosystem:

   A. Open sea
   B. Grasslands and pastures
   C. Coniferous forests
   D. Tropical and sub-tropical forest

6. If precise quantitative measurements are made on a convened ecosystem in a laboratory, we will find amounts of which of the following to be a one-way flow rather than cyclic?

   A. Carbon
   B. Potassium
   C. Nitrogen
   D. Free energy

7. The primary productivity is minimum in the following ecosystem:

   A. Tropical rainforest
   B. Temperate grassland
   C. Tropical deciduous forest
   D. Desert shrub

8. The decomposers in an ecosystem constitute the following trophic level:

   A. T1
   B. T3
   C. T5
   D. T4

9. In an ecosystem in abiotic components which of the following occurs?

   A. Flow of energy
   B. Cycling of material
   C. Consumption of materials
   D. Flow of energy and cycling of materials

10. Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem?

    A. Tertiary Production
    B. Gross Production (GP)
    C. Net Production (NP)
    D. Secondary Production