A. A basic functional ecology unit including both biotic
B. Abiotic component mutually adjusting with each other for the maintenance of life
C. Both (a) & (b)
D. None of these
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 - Ecosystem has two components:
A. Plants and animals
B. Weeds and trees
C. Biotic and abiotic
D. Frogs and men - In natural ecosystem, decomposers include:
A. Only bacteria and fungi
B. Only microscopic animals
C. The above two types of organisms plus macroscopic animals
D. Only the above two types of organisms - 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 - The significance of ecosystem lies in:
A. Flow of energy
B. Cycling of matters
C. Both (a) & (b)
D. None of the above - In forest ecosystem, pyramid of number is:
A. Upright
B. Inverted
C. Any of the two
D. None of the above - The number of producers and consumers in an ecosystem is mutually controlled by a:
A. Productivity control
B. Food chain mechanism
C. Feedback mechanism
D. Any of these - The trophic structure in an ecosystem is in fact:
A. Producer-consumer arrangement
B. Refers to grazing food chain only
C. Never forms a food web
D. Never photosynthesis dependent - Components of ecosystem are:
A. Abiotic
B. Biotic
C. Both (a) & (b)
D. None of these