A. Food chains
B. Food web
C. Both (a) & (b)
D. None of the above
Related Mcqs:
- In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:
A. Primary and secondary consumers are similar
B. Both biotic and abiotic components are different
C. The biotic components are almost similar
D. The abiotic components are almost similar - Exotic species, which brought for plantation from some other country to our country or even from one ecosystem to other ecosystem are called, as exotic species like:
A. Pinus nigra – Japan
B. Euralyptus – Australia
C. Polunia – China
D. All of the above - Which one of the following terms does not reflect the idea of ecosystem:
A. Holocoene
B. Cherposem
C. Biosystem
D. Geobiocoenosis - In lake ecosystem, the pyramid of biomass is:
A. Upright
B. Inverted
C. Anything possible
D. None is correct - In a forest ecosystem, green plants are:
A. The primary producers
B. Primary producers only sometimes
C. The decomposers
D. The consumers - The river mouth ecosystem is called:
A. Estuarine
B. Lotic
C. Lentic
D. None of these - The pyramid of biomass in a parasitic ecosystem is:
A. Upright
B. Inverted
C. Linear
D. Rhomboidal - The number of individuals of a species in a particular ecosystem at a given constant due to:
A. Man
B. Parasites
C. Predators
D. Available food - In an ecosystem in abiotic components which of the following occurs?
A. Flow of energy
B. Cycling of material
C. Consumption of materials
D. Flow of energy and cycling of materials - An ecosystem which can be easily damaged but can recover after sometime if damaging effect stops will be having:
A. High stability and low resilience
B. Low stability and low resilience
C. Low stability and high resilience
D. High stability and high resilience
