A. Food web
B. Pyramid of numbers
C. Succession
D. Predator-prey relationship
Related Mcqs:
- Birds of prey like:
A. Peregrine
B. Cherrug
C. Saker Falcons
D. Tawny Eagle
E. All of the above - 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 - An association between two organisms belonging to different species, which live together for mutual benefit or on partner gets benefit and other, is neither benefited nor harmed is known as:
A. Predation
B. Parasitism
C. Symbiosis
D. None of these - Immense increase in the number of organisms of a species is checked by:
A. Environmental resistance
B. Biotic potential
C. Imigration
D. All of these - The species characteristics are an expression of the genetic make up of an animal species influencing the extend and nature of ______.
A. Home range, breeding season
B. Longevity, territory and the niche
C. Both (a) & (b)
D. None of these - _________ consists of a crop arranged in two different stories, one above the other; each story being approximately even-aged not of seedling as opposed to coppice origin:
A. Two-storied high forest
B. Three-storied high forest
C. Four-storied high forest
D. Five -storied high forest - The earth’s atmosphere in which organisms live, is called:
A. Ecosystem
B. Ectosome
C. Biosphere
D. Bioeconomic - When the number of organisms at successive levels are plotted, they assume the space of a pyramid. This is called the pyramid of:
A. Energy
B. Number
C. Biomass
D. Both (a) and (c) - The lower most layer of atmosphere in which man and other living organisms exist is called:
A. Thermosphere
B. Mesosphere
C. Stratospheres
D. Troposphere - The study of interactions between living organisms and environment is called:
A. Ecosystem
B. Phytogeography
C. Ecology
D. Phytosociology