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Our Environment...

TIME LEFT -
  • Question 1
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    Green plants belong to:

  • Question 2
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    Choose the set that represents only the biotic components of a habitat. 

  • Question 3
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    Earth is protected from UV-radiations by:

  • Question 4
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    In Ozone, number of Oxygen atoms are:

  • Question 5
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     The vast surface of the earth presents a huge variety of conditions prevailing in different parts.

    Choose the correct option for the given statement.

  • Question 6
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    Which of the following do not undergo composting?

  • Question 7
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    Consider the following statements:
    (a) Wastes are of two types, biodegradable and non-biodegradable.
    (b) Biodegradable wastes should be separated and kept in blue colour bins for garbage collectors.
    (c) Ozone is formed in stratosphere by action of ultraviolet radiations on oxygen.
    Which of the above statements are correct?

  • Question 8
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    Which one is not dangerous?

  • Question 9
    1 / -0

    Which of the following does not belong to the group formed by the others?

  • Question 10
    1 / -0

    If the primary producers are absent from any ecosystem, which of the following will occur?

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