A. Open sea
B. Grasslands and pastures
C. Coniferous forests
D. Tropical and sub-tropical forest
Related Mcqs:
- Which of the following ecosystem has highest gross primary productivity:
A. Grassland
B. Coral reefs
C. Mangroves
D. Rain forest - The gross production minus losses in an ecosystem is indicated as:
A. Net production
B. Secondary production
C. Net storage
D. Net primary production - 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 - The primary productivity is minimum in the following ecosystem:
A. Tropical rainforest
B. Temperate grassland
C. Tropical deciduous forest
D. Desert shrub - 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 - Which ecosystem has the highest primary productivity?
A. Pond ecosystem
B. Lake ecosystem
C. Grassland ecosystem
D. Forest ecosystem - From gross production of autotrophs, according to Lindemann, how much energy in gcal/cm2/year is used in respiration and decomposition respectively:
A. 78.2, 29.3
B. 78.2, 3.5
C. 29.3, 3.5
D. 23.9, 5.3 - The maximum biomagnification would be in which of the following in case of aquatic ecosystem?
A. Fishes
B. Birds
C. Zooplanktons
D. Phytoplanktons - In a terrestrial ecosystem such as forest maximum energy lies in which trophic level?
A. T1
B. T2
C. T3
D. T4 - The efficiency of primary production in an ocean is:
A. 5%
B. 3.50%
C. 1%
D. 0.20%
