A. Thermosphere
B. Mesosphere
C. Stratospheres
D. Troposphere
Related Mcqs:
- All the living organisms on the earth interacting with atmosphere constitute:
A. Biosphere
B. Community
C. Biome
D. Association - The study of interactions between living organisms and environment is called:
A. Ecosystem
B. Phytogeography
C. Ecology
D. Phytosociology - The earth’s atmosphere in which organisms live, is called:
A. Ecosystem
B. Ectosome
C. Biosphere
D. Bioeconomic - A hydrocarbon having the following number of carbon atoms doesn’t exist freely in the atmosphere:
A. C16
B. C18
C. Both (a) & (b)
D. C10 - 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 - 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 - The living organisms of all ecosystems collectively constitute:
A. Producers
B. Decomposers
C. Consumers and decomposers
D. Biosphere - Ozone layer of upper atmosphere is being destroyed by:
A. Sulphur di-oxide
B. Carbon di-oxide
C. Chloro-fluoro-carbon
D. Smog - What are the chief pollutants of the atmosphere which are most likely to deplete the ozone layer?
A. Sulphur di-oxide
B. Carbon di-oxide
C. Nitrogen oxides and fluoro-carbons
D. Carbon monoxide - If organisms are arranged according to predator-prey relationship one always finds more of prey species then of predator. This is called a:
A. Food web
B. Pyramid of numbers
C. Succession
D. Predator-prey relationship
The correct answer to the question: "The lower most layer of atmosphere in which man and other living organisms exist is called:" is "Troposphere".