A network of inter connecting food chains is known as
Food chain
Food-web
Detritus food chain
Flow of energy
Which of the following element is very significant in the environment.
Stratosphere
Mesosphere
Biosphere
Centro sphere
Terrestrial eco-system can be further be classified into
Habitat
Biotic
Acquatic
Biomes
Which of the following constituent of the atmosphere comprising about seventy-nine percent of the atmospheric gases.
Nitrogen
Oxygen
Hydrogen
Carbondioxide
The burning of fossil fuels has the greatest and most direct impact on
Oxygen cycle
Nitrogen cycle
Carbon cycle
phosphorus cycle
The study of the earth as a household, of plants, human beings, animals and micro-organisms is called
Ecology
Lithology
Pedology
Orology
Marine eco-system includes the oceans, estuaries and
Bogs
Lakes
Pond
Coral reefs
Oxygen combines with iron found in the rocks to form
Iron Nitrites
Iron Sulphate
Iron Oxides
Iron Carbonate
Which of the following food chain starts with a plant.
Grazing
Food web
Detritus
A system consisting of biotic and abiotic component is known as
food chain
Eco system
demography
Geomorphology