Statement I:Breathing through mouth is not recommended.

Statement II: It is because mouth doesn't have any filter mechanism like nostrils to filter dust from air while breathing.

Statement I is True and Statement II is the correct explanation.

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Statement I is True and Statement II is not the correct explanation.

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Statement I is True and Statement II is False

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Statement I is False and statement II is True.

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Solution

The correct option is A
Statement I is True and Statement II is the correct explanation.

We inhale air when we breathe through our nostrils. Fine hair and mucus are present inside the nose to prevent dust particles from getting into the respiratory system. But when we breathe through mouth, there is no any filtration system to filter out dust particles. So it is not recommended.

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Statement I:Breathing through mouth is not recommended. Statement II: It is because mouth doesn't have any filter mechanism like nostrils to filter dust from air while breathing.

Statement I:Breathing through mouth is not recommended.

Statement II: It is because mouth doesn't have any filter mechanism like nostrils to filter dust from air while breathing.