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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Addition of undesirable substance or removal of desirable substances in water bodies or change in temperature is called water pollution.
Reason: Fresh water is found in river, pond, sea and in underground.
  • A
    Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
  • ✓
    The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.
  • C
    Assertion is true but the Reason is false.
  • D
    The statement of the Assertion is false butthe Reason is true.
✓

Answer

Correct option: B.
The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.
The addition and release of any undesirable substance or material to any water body result in polluting the same. Waste contamination and toxicity are the common causes of water pollution that spreads from one location to the other with more and more contamination flowing in the water as human-made produced wastes.

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