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Resources of India and World Test 46

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Resources of India and World Test 46
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Weekly Quiz Competition
  • Question 1
    1 / -0
    In the grassland, trees do not replace the grasses as a part of an ecological succession because of ____________.
  • Question 2
    1 / -0
    In a food chain, the solar energy utilised by plants is in the range of ____________.
  • Question 3
    1 / -0
    Pick up the correct food chain.
  • Question 4
    1 / -0
    A high BOD value in aquatic environment is indicative of ____________.
  • Question 5
    1 / -0
    Though coffee and tea both are cultivated on hill slopes, there is some difference between them regarding their cultivation. In this context, consider the following statements.
    1. Coffee plant requires a hot and humid climate of tropical areas whereas tea can be cultivated in both tropical and subtropical areas.
    2. Coffee is propagated by seeds but tea is propagated by stem cutting only.
    Which of the statements given above is/are correct? 
  • Question 6
    1 / -0
    In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the:
    1. decomposer micro-organisms to the surface.
    2. nutrients to the surface.
    3. bottom-dwelling organisms to the surface.
    Select the correct answer using the codes given below.
  • Question 7
    1 / -0
    Consider the following statements. 
    1. Industries discouraged in or very close to large cities due to environmental reasons.
    2. Mining, telecommunications, highway construction and management have been thrown open to private companies.
    Which of the above statements is/are correct?
  • Question 8
    1 / -0
    Storage of energy in an ecosystem is shown by the amount of living material present in both plants and animals. This is called ________.
  • Question 9
    1 / -0
    Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?
  • Question 10
    1 / -0
    Tank irrigation is practised mainly in peninsular India because:
    1. undulating relief and hard rocks make it difficult to dig canals and wells.
    2. rivers are rain-fed.
    3. of compact nature of population and agriculture fields.
    Select the correct answer using the codes given below.
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