The maximum biomagnification would be in which of the following in case of aquatic 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. 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

3. In an aquatic environment, microscopic animals and plants are collectively known:

   A. Commensals
   B. Herbivores
   C. Fauna and flora
   D. Planktons

4. In a fish aquarium green aquatic plants are grown primarily for:

   A. Oxygen
   B. Carbon dioxide
   C. Fish feed
   D. Decoration

5. Hydrophytes (Aquatic Plants) means:

   A. A reduction of the protective, conducting and supporting tissues
   B. Absences of palisade tissue
   C. Both (a) & (b)
   D. None of these

6. Aquatic photostratifraction in increasing depth order:

   A. Euphotic, despotic and aphotic
   B. Aphotic, euphotic and despotic
   C. Euphotic, aphotic and despotic
   D. Despotic, euphotic and aphotic

7. 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

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

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

9. 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

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