A logical sequence of carbon cycle is
Producer-Consumer-Decomposer
Decomposer-Producer-Decomposer
Consumer-Producer-Consumer
Producer-Decomposer-Consumer
Component of biosphere related with soil is
Lithosphere
Hydrosphere
Atmosphere
None of the above
Source of energy in the biosphere is
Producer
Decomposer
Sunlight
Heat of earth
The reason for green house effect is
Higher CO2 concentration causing global warming
Absorption of infra-red rays by gases and dust particles
Both A and B
Refraction of CO2
Biogeochemical cycles are also known as
Sedimentary cycles
Gaseous cycles
Material cycling
Cyycles of water
Biosphere is defined as
Part of the earth water and atmosphere which inhabits living organisms
Part of the soil where animals and plants are found
Atmosphere in which life exists
Climate of the world is threatened by
Increasing concentration of atmospheric oxygen
Decreasing concentration of atmospheric oxygen
Increasing amount of atmospheric carbon dioxide
Decreasing amount of atmospheric carbon dioxide
Maintenance of soil fertility without addition of nutrition is due to
Floods
Crop residue
Favourable temperature
Microbial activity
Nitrogen content of biosphere remains constant due to
Nitrogen fixation
Nitrogen cycle
Industrial pollution
Absorption of nitrogen
Rise of atmospheric temperature because of high concentration of carbon dioxide is known as
Green house effect
Biomagnification
Pollution
Ectone