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Which is the most stable ecosystem?
Related MCQs
The number of individuals of a species in a particular ecosystem at a given constant due to:
Biological equilibrium is found among the:
In an ecosystem, bacteria are considered as:
In a biotic community, primary consumers are:
The rate at which light energy is converted into chemical energy of organic molecules is the ecosystem’s:
In desert grasslands, which type of animals are relatively more abundant?
In which of the following there is no difference?
Which one of the following elements is the critical limiting factors in the function of ecosphere because of its irretrievable loss in the ocear:
Which one of the following pairs is a sedimentary type of biogeochemical cycle?
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:
One of the major difficulties in the biological control of insect pests is that:
Niche of a species in an ecosystem refers to its:
Energy transfer from one trophic level to other in a food chain is:
Ecosystem receives nitrogen from outside through:
If we completely remove the decomposers from an ecosystem, its functioning will be adversely affected because:
Mark the incorrect statement with reference to carbon cycle:
The sulphate rocks are formed in ocean by leaching of:
Hydrological cycle is under the control of:
The maximum amount of CO2 fixed by green plants by way of photosynthesis in a year is:
According to Odum the light absorbed by the plant cover in terms of kcal/m2/day is:
The SO2 is returned to the atmosphere by:
Which of the following serves as source of carbon in plants:
Mark the correct statement with reference to phosphorous cycle:
Which ecological cycle is directly driven by sunlight?
Sulphur is returned to the soil by:
The percentage of water bound in lithosphere and sedimentary rocks is:
The rate of storage at consumer level is:
According to Lindemann, the percentage of net production passed on to carnivores is:
In a sugarcane field the net productivity in terms of kg/m2/year, is:
In a forest ecosystem, the numerical relationship between the producers and herbivores:
The gross production minus losses in an ecosystem is indicated as:
The term homeostasis in an ecosystem refers to:
The term omnivore is applied to:
The solar radiations are the sole source of:
The pyramid of biomass in a parasitic ecosystem is:
The ecological pyramids were first designed by:
An ecosystem is a structure that is:
Which of the following belong to the same trophic level?
According to Lindemann, the total solar input in terms of gcal/cm2/year is:
The efficiency of primary production in an ocean is:
From gross production of autotrophs, according to Lindemann, how much energy in gcal/cm2/year is used in respiration and decomposition respectively:
The pyramid of biomass in a forest ecosystem is:
The cybernetics of an ecosystem refers to:
The flow of materials and energy in an ecosystem is respectively:
The biotic and abiotic components of the ecosystem are connected through:
The pyramid of biomass in a shallow pond ecosystem is:
The taiga ecosystems lie in the:
The pyramid of number in a forest ecosystem is:
In a parasitic food chain which trophic level is represented by bugs and lices?
Which of the following is the smallest unit?
In a stabilized ecosystem the P/R ratio is:
Which is the most stable ecosystem?
A. Desert
B. Ocean
C. Mountain
D. Forest
Correct Answer:
Forest
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Last Updated:
May 16, 2024