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VGS PUBLICATION-BRILLIANT-OUR ENVIRONMENT-OUR CONCERN-PREPARATION QUESTIONS FOR THE EXAMINATION PURPOSE
- A farmer introdued garden lizards into his agricultural fields to erad...
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- Give one example for primarry consumer in a grassland ecosystem.
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- What does the pyramid of number represent?
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- Who introduced 'Ecological pyramids'?
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- What does the pyramid of biomass represent?
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- What does a pyramid of energy represent?
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- Expand D.D.T.
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- Expand B.H.C.
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- Give an example for chemical pesticides.
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- Give one example for "perrfect pesticide".
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- What do you call the tendency of pollutants to concentrate as they mor...
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- name 'the process of entering of pollutants in a food chain'.
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- What do you call the substance meant for preventing, destroying or mit...
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- The functional role of an of organism in a community is called as?
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- The elaborate interconnected feeding relationships in an ecosystem is ...
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- Name the pathway along which food is transferred from tropic level to ...
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- What occupies the base of any ecological pyramid?
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- Any food chain in an ecosystem starts from?
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- What is the source of energy for all ecosystems?
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- Guess the reason for the growth of mosquito population.
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