Pond is an example of:
A.Artificial ecosystem
B.Forest ecosystem
C.Natural ecosystem
D.Grassland ecosystem
Category: Agriculture Ecology and General Silviculture Mcqs
If precise quantitative measurements are made on a convined ecosystem in a laboratory, we will find amounts of which of the following to be a one-way flow rather than cyclic?
A.Carbon
B.Potassium
C.Nitrogen
D.Free energy
The trophic structure in an ecosystem is infact:
A.Producer-consumer arrangement
B.Refers to grazing food chain only
C.Never forms a food web
D.Never photosynthesis dependent
The pyramid of energy is always:
A.Inverted
B.Upright
C.Both of these/Horizontal
D.Inverted in forest ecosystem
The two major functional components of an ecosystem are:
A.Energy flow and food chain
B.Mineral recycling and energy flow
C.Food chain and decomposers
D.Energy flow and decomposers
A plant, being eaten by a herbivore which in turn is eaten by a carnivore, makes a:
A.Food chain
B.Web of food
C.Biomass
D.Interdependence
The first fish that eats upon the planktonic forms is:
A.Primary consumer
B.Carnivore
C.Decomposer
D.Secondary consumer
An ecosystem is:
A.A community of organisms interacting with one another
B.The abiotic component of an area
C.The part of the earth and its atmosphere where living organisms exist
D.A community of organisms together with the environment in which they live
Energy flow and energy transformations in living systems strictly conform to the:
A.Law of limiting factors
B.Liebig’s law of minimum
C.Laws of thermody namics
D.Shelford’s law of tolerance
E.Biogenetic law
The cycling of elements in an ecosystem is called:
A.Chemical cycle
B.Biogeochemical cycle
C.Geological cycle
D.Geochemical cycle
