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ICSE Class X Biology 2023 Papers

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SECTION - I
Select the correct answers to the questions from the given options.
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Question : 7 of 74
Marks: +1, -0
The life span of an RBCR B C is :
Solution:  
(a) 120 days
Explanation: Human Red Blood Cells have an average life span of about 120 days in the circulation after which they are engulfed by macrophages.
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