SURA PUBLICATION-Our Environment-Exercise
- Usage of chemical pesticides and fertilisers causespollution.
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- An example for artificial aquatic ecosystem is.
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- The average person in India produceskg of waste everyday.
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- Temperature, light and wind arefactors.
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- obtained energy from the chemical breakdown of dead organisms.
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- Garbage buried inside landfills remain here for a long time as they de...
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- True or False. If False,give the correct statement: Bacteria and fung...
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- True or False. If False,give the correct statement: Human and animal ...
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- Find whether the following sentences are true or false.If false correc...
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- Arrange the following in a correct sequence and form a food chain:- Hu...
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- What are the types of pollution?
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- What are the pollutions caused by the objects given below: Loud speake...
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- What are the pollutions caused by the objects given below? Plastic
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- How can we reduce water pollution?
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- Match the following
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- Analogy: Biodegradable waste : Leaves,Garden wastes::Non-biodegrada...
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- Analogy: Biotic factor: Animals::Abiotic factor:
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- What are decomposers?
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- Briefly explain the differnet measures to reduce noise pollution.
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- How can we reduce air pollution?
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