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NEET • BIOLOGY • BREATHING AND EXCHANGE OF GASES
Breathing and exchange of gases practice · Mixed difficulty
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Practice format and chapter quiz
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301
Medium
301 of 303
Analyzing
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Assertion : Aerobic animals are not truely
aerobic.
Reason : They produce lactic acid anaerobically
aerobic.
Reason : They produce lactic acid anaerobically
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Correct option: A
If both Assertion and Reason are true and
Reason is the correct explanation of Assertion
Reason is the correct explanation of Assertion
Option A (If both Assertion and Reason are true and Reason is the correct explanation of Assertion) is correct because aerobic animals can produce lactic acid anaerobically under certain conditions, making them not truly aerobic.
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Easy
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Understanding
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Under which condition, dissociation of oxygen from oxyhaemoglobin in tissues occurs?
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Correct option: D
All of these
The correct answer is D (All of these) because low oxygen partial pressure, high carbon dioxide partial pressure, and high hydrogen ion concentration (low pH) all promote the dissociation of oxygen from oxyhemoglobin in tissues.
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Hard
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Understanding
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Oxygen is utilised by an organism to
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Correct option: B
Indirectly breakdown the nutrient molecules
Option B (Indirectly breakdown the nutrient molecules) is correct because oxygen is used in cellular respiration to indirectly break down nutrient molecules to release energy.
Revision notes and key takeaways
Review BREATHING AND EXCHANGE OF GASES in your textbook or class notes, then use this set to check your understanding.
Showing 301-303 of 303 questions