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Question
Assertion (A): Oxygen is essential for all aerobic forms of life.
Reason (R): Free oxygen atoms combine with molecular oxygen to form ozone.
Options
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
Solution
Assertion (A) is true, but Reason (R) is false.
Explanation:
Free oxygen atoms combine with molecular oxygen to form ozone is not directly related to the essential nature of oxygen for aerobic life. Ozone formation is a separate chemical process that occurs in the Earth's stratosphere and is not part of the cellular respiration process.
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