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ZEN PUBLICATION-OUR ENVIRONMENT -ZEN ADDITIONAL QUESTIONS SECTION ( VERY SHORT ANSWER [VSA] TYPE QUESTIONS )
- Name two abiotic components of an ecosystem.
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- Consider a food chain of the following: Fish, Crab, Plankton, Shark. A...
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- (i) What is meant by 'non-biodegradable' waste? (ii) ldentify the b...
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- How does the ozone layer of the atmosphere protect the humans on earth...
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- Consider a food chain consiscing of Wheat, rat, snakes, peacock What w...
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- Choose one consumer each that belongs to the second and third trophlc ...
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- Pesticides added to a fleld are seen in increased amounts in the crop ...
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- Choose any three biodegradable wastes from the following Cowdung. DDT ...
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- What happens during the first step of ozone formation in the atmospher...
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- Why are non-biodegradable substances not broken down by microbes?
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- 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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