The pyramid of biomass in a forest ecosystem is:
A.Upright
B.Inverted
C.Rhomboidal
D.Linear
Category: Ecology and General Silviculture Mcqs
Ecosystem receives nitrogen from outside through:
A.Biological nitrogen fixation
B.Electrification of nigrogen
C.Industries
D.All the above
Plants like Saccharum. Imperata, Capparis and Acacia occur in the following biome:
A.Temperatr grassland
B.Tropical savannah
C.Tropical rain forest
D.Desert
Biological equilibrium is found among the:
A.Producers and consumers
B.Producers and decomposers
C.Producers, consumers and decomposers
D.Producers and light
Biotic components of an ecosystem include:
A.Producers only
B.Consumers only
C.Producers and Consumers only
D.Producers, consumers and decomposers
Savannahs are:
A.Topical rain forest
B.Desert
C.Grassland with scattered trees
D.Dense forect with close canopy
Azolla is used as a biofertilizer because it:
A.Multiplies very fast to produce massive biomass
B.Has association of nitrogen-fixing Rhizobium
C.Has association nitrogen fixing Cyanobacteria
D.Has association of mycorrhiza
The cybernatics of an ecosystem refers to:
A.Harvest index
B.A feed back mechanism
C.Regulation of equilibrium
D.Reverse energy flow
The pyramid of biomass in a shallow pond ecosystem is:
A.Inverted
B.Upright
C.Rhomboidal
D.Liver
