Self Studies

Natural Resourc...

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  • Question 1
    1 / -0

    Which of the following factors control(s) phenomena like windstorms, cyclones, thunderstorms, etc?

  • Question 2
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    Which of the following statements is/are correct?

    (i) Oxygen constitutes up to 95-97% of the atmosphere on Venus and Mars.
    (ii) Green plants fix carbon dioxide.
    (iii) Many marine animals use carbonates dissolved in seawater to breathe.

  • Question 3
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    Which of the following is the region of the atmosphere where air is subject to differential heating?

  • Question 4
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    ________ particles act as 'nucleus' to support rain drops.

  • Question 5
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    What happens to the air as it rises up?

    1. It expands.
    2. It cools.
    3. It heats up.
    4. It contracts.
    Choose the correct answer from the options given below.

  • Question 6
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    The term 'denitrification' means

  • Question 7
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    Which of the following is a logical sequence in carbon cycle?

  • Question 8
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    Excessive exposure of humans to UV rays results in

    (i) damage to immune system
    (ii) damage to lungs
    (iii) skin cancer
    (iv) peptic ulcers

  • Question 9
    1 / -0

    The shells of many aquatic animals are made up of

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