MCQ
Which of the following statement(s) is/ are correct?
  • A
    The percentage of oxygen in air inhaled and exhaled by us remains same.
  • B
    Plants use more of oxygen in respiration and produce no oxygen in any of its processes.
  • C
    Plants do not need oxygen for respiration.
  • All of the above.

Answer

Correct option: D.
All of the above.
All of the above.

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