12 Biology- 14 Ecosystem: Online Test
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Which one of the following is not a functional unit of ecosystem? *
2 points
The second stage of hydrosere is occupied by plants like
2 points
Clear selection
The breakdown of detritus into smaller particles by earthworm is a process, called *
2 points
An inverted pyramid of biomass can be found in which ecosystem? *
2 points
Which of the following is not  a producer? *
2 points
Pyramids of number is *
2 points
Among the following, where do you think the process of decomposition would be the fastest? *
2 points
Climax community is in a state of *
2 points
The zone at the edge of a lake or ocean which is alternatively exposed to air and immersed in water is called
2 points
Clear selection
Which one of the following animals may occupy more than one tropic level in the same ecosystem at the same time? *
2 points
Which one of the following statements of the pyramid of energy is incorrect? *
2 points
Which one of the following statements is correct for secondary succession? *
2 points
Mass of the living matter at a trophic level in an area at any time, is called *
2 points
The biomass available for consumption by the herbivores and the decomposers, is called *
2 points
The slow rate of decomposition of fallen logs in nature is due to their *
2 points
Which one of the following is not used to construct an ecological pyramid? *
2 points
In an aquatic ecosystem, the trophic level equivalent to cows in a grassland is *
2 points
The final stable community in ecological succession is *
2 points
Which ecosystem has the highest primary productivity? *
2 points
Energy transferred from one trophic level to the other is *
2 points
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