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CBSE Notes 2011-2012 » X-Science-Term2

Our Environment

Interdependence of organisms on other organisms for their sustenance is described as

Multiple choice question

Interdependence of organisms on other organisms for their
sustenance is described as

The total biomass in a terrestrial ecosystem will be greatest for which trophic level ?

Multiple choice question

The total biomass in a terrestrial ecosystem will be greatest
for which trophic level ?

In terms of a food chain or food pyramid, organisms that trap energy such as plants are known as

Multiple choice question

In terms of a food chain or food pyramid, organisms that
trap energy such as plants are known as

Which of the following is non-biodegradable ?

Multiple choice question

Which of the following is non-biodegradable ?

Which one of the following will undergo fastest bio-degradation ?

Multiple choice question

Which one of the following will undergo fastest
bio-degradation ?

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