A complex of several species and communities in various stages of succession maintained under similar climatic conditions is known as:
A.Biome
B.Environmental complex
C.Biological spectrum
D.Biological clocks
Category: Agriculture Ecology and General Silviculture Mcqs
The transfer of energy from organism to organism is a natural community establishes:
A.Food chains
B.Biological control
C.Natural barriers
D.All the above
Tip of ecological pyramid is occupied by:
A.Herbivores
B.Carnivores
C.Producers
D.None of these
In a food chain the largest population is that of:
A.Producers
B.Decomposers
C.Tertiary consumers
D.Primary consumers
The significance of ecosystem lies in:
A.Flow of energy
B.Cycling of matters
C.Both (a) & (b)
D.None of the above
Prairies and steppes are parts of the natural regions called:
A.Temperate grasslands
B.Tropical grasslands
C.Prairie grasslands
D.Steppes grasslands
Which one of the following is a reversible source of energy?
A.Petroleum
B.Coal
C.Nuclear fuel
D.Trees
Trophic levels are formed by:
A.Only plants
B.Only animals
C.Only carnivores
D.Organisms linked in food chains
Which group of three living organisms, given below is a link in food chain: Green plants …. Hawk:
A.Grasshopper, frog, snake
B.Grasshopper, rat, snake
C.Millipedes, centipedes, sparrow
D.Earthworm, hen, rat
Ecosystem has two components:
A.Plants and animals
B.Weeds and trees
C.Biotic and abiotic
D.Frogs and men
