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Assertion : Aerobic respiration involves the exchange of respiratory gases twice.
Reason : Exchange occurs from lung to heart and then heart to lung.
Reason : Exchange occurs from lung to heart and then heart to lung.
- a)If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
- b)If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
- c)If Assertion is true but Reason is false.
- d)If both Assertion and Reason are false.
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Assertion : Aerobic respiration involves the exchange of respiratory g...
Assertion-Reason Question Explanation:
Assertion and Reason questions in NEET exams are designed to test the candidate's understanding and reasoning ability. Let's break down the given Assertion and Reason to understand why option 'C' is the correct answer.
Assertion (True):
- Aerobic respiration involves the exchange of respiratory gases twice.
Reason (False):
- Exchange occurs from lung to heart and then heart to lung.
Explanation:
- The assertion stating that aerobic respiration involves the exchange of respiratory gases twice is true because during aerobic respiration, oxygen is first inhaled into the lungs where it enters the bloodstream and is carried to the heart. From the heart, oxygen-rich blood is pumped to different tissues and organs where oxygen is utilized for cellular respiration. The carbon dioxide produced as a byproduct is then transported back to the heart and lungs to be exhaled.
- However, the reason provided is incorrect as it states that the exchange occurs from lung to heart and then heart to lung, which is not the correct sequence of respiratory gas exchange during aerobic respiration. The exchange primarily happens between the lungs and the bloodstream, and then between the bloodstream and body tissues.
Hence, the correct answer is option 'C' - Assertion is true but the Reason is false.
Assertion and Reason questions in NEET exams are designed to test the candidate's understanding and reasoning ability. Let's break down the given Assertion and Reason to understand why option 'C' is the correct answer.
Assertion (True):
- Aerobic respiration involves the exchange of respiratory gases twice.
Reason (False):
- Exchange occurs from lung to heart and then heart to lung.
Explanation:
- The assertion stating that aerobic respiration involves the exchange of respiratory gases twice is true because during aerobic respiration, oxygen is first inhaled into the lungs where it enters the bloodstream and is carried to the heart. From the heart, oxygen-rich blood is pumped to different tissues and organs where oxygen is utilized for cellular respiration. The carbon dioxide produced as a byproduct is then transported back to the heart and lungs to be exhaled.
- However, the reason provided is incorrect as it states that the exchange occurs from lung to heart and then heart to lung, which is not the correct sequence of respiratory gas exchange during aerobic respiration. The exchange primarily happens between the lungs and the bloodstream, and then between the bloodstream and body tissues.
Hence, the correct answer is option 'C' - Assertion is true but the Reason is false.
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Community Answer
Assertion : Aerobic respiration involves the exchange of respiratory g...
Aerobic respiration involves the exchange of respiratory gases at two places in muticellular animals-one between the body surface and surrounding medium, the other between the individual cells and the extracellular fluid. Lungs are involved in the first step of exchange, but not the heart.
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Assertion : Aerobic respiration involves the exchange of respiratory gases twice.Reason : Exchange occurs from lung to heart and then heart to lung.a)If both Assertion and Reason are true and Reason is the correct explanation of Assertion.b)If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.c)If Assertion is true but Reason is false.d)If both Assertion and Reason are false.Correct answer is option 'C'. Can you explain this answer?
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