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Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases1 Mark
MCQ
Which one of the following statements is incorrect?
  • A
    The principle of counter current flow facilitates efficient respiration in gills of fishes.
  • B
    The residual air in lungs slightly decreases the efficiency of respriration in mammals.
  • ✓
    In insects, circulating body fluids serve to distribute oxygen to tissues.
  • D
    None of these.
✓

Answer

Correct option: C.
In insects, circulating body fluids serve to distribute oxygen to tissues.

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