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Air Around Us — Science STD 6 — Question

CBSE BoardEnglish MediumSTD 6ScienceAir Around Us1 Mark
MCQ
Which of the following statement(s) is/ are correct?
  • A
    The animals that live under water cannot use the atmospheric air for their respiration.
  • B
    The aquatic animals do not need air for respiration.
  • C
    The aquatic animals use carbon dioxide dissolved in water for their respiration.
  • ✓
    All the above are incorrect.
✓

Answer

Correct option: D.
All the above are incorrect.
Aquatic animals use dissolved air (or oxygen) in water for their respiration.

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