The study of interactions between living organisms and environment is called:

Related Mcqs:

1. The study of interaction between living organisms and environment in a specific area is the study of:

   A. Photobiology B. Phytogeography C. Ecosystem D. Phytosociology...

2. The lower most layer of atmosphere in which man and other living organisms exist is called:

   A. Thermosphere B. Mesosphere C. Stratospheres D. Troposphere...

3. The back and forth movements of chemical elements, between organisms and environment along characteristic circular paths and known as:

   A. Biochemical cycles B. Ecological cycles C. Chemical cycles D. None of these...

4. Study of relationship between communities and environment is called:

   A. Autecology B. Ethology C. Ecology D. Syncology...

5. Which group of three living organisms, given below is a link in food chain: Green plants …. Hawk:

   A. Grasshopper, frog, snake B. Grasshopper, rat, snake C. Millipedes, centipedes, sparrow D. Earthworm, hen, rat...

6. All the living organisms on the earth interacting with atmosphere constitute:

   A. Biosphere B. Community C. Biome D. Association...

7. The living organisms of all ecosystems collectively constitute:

   A. Producers B. Decomposers C. Consumers and decomposers D. Biosphere...

8. A branch of ecology which is concerned with the study of individual species at all stages of its life cycle in relation to environment is called:

   A. Reproductive ecology B. Autecology C. Synecology D. Ecological niche...

9. 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...

10. 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)...