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ZEN PUBLICATION-OUR ENVIRONMENT -ZEN ADDITIONAL QUESTIONS SECTION ( VERY SHORT ANSWER [VSA] TYPE QUESTIONS )
- Decomposers are referred to as "nature's cleansers". Why?
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- Why are green plants called producers ?
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- Define ecosystem.
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- Which chemical is used In fire extinguishers? How is it harmful?
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- Why is a food chain having two steps, the most advantageous in terms o...
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- ldentify which one of the following would have a hazardous impact if i...
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- List two ways by which biodegradable substances would affect the envir...
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- Select from the following the substances which pose a threat to the en...
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- State any two practices which can help In the protection of our eviron...
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- What percentage of energy of sunlight is captured by green plants when...
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- Flow of energy is unidirectional Name the first two components of the ...
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- Name the radiations from the sun that are absorbed by the ozone layer....
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- What percentage of energy available at the producer level is transferr...
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- Why should blodegradable and non-blodegradable wastes be discarded In ...
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- Why has the Indian Government banned the use of polythene bags?
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- State two advantages of paper bags over plastic bags during shopping
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- Name one natural and one man-made ecosystem.
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- In a food chain why does the maximum amount of pesticides get accumula...
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- Reuse of plastic products is berter than recycle method. Why ?
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- Micro-organisms like bacteria are called decomposers. Why?
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