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Environmental Science

Environmental Science
The pyramid of energy in any ecosystem is

Always upright
None of these
Always inverted
May be upright or invented

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Environmental Science
The combustion of waste in the absence of Oxygen is called

Hydrolysis
None
Pyrolysis
Haemolysis

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Environmental Science
Autotrophs are ______________

Saprophytes
Herbivores
Producers
Consumers

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Environmental Science
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?

Its base is broad
It is inverted in shape
It is upright in shape
It shows energy content of different trophic level organisms

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Environmental Science
Natural gas that was formed from ancient prehistoric forests is called

Gobar gas
petroleum
LPG
Fossil fuels

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Environmental Science
The presence of high coliform counts in water indicates

decreased Biological Oxygen Demand
phosphorus contamination
contamination by human wastes
hydrocrbon contamination

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