O Level Biology MCQs – Certification Test 1446

Human Respiration MCQs (Question 1446) – App & e-Book Download

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MCQ 1446: Carbon dioxide (CO₂) can:

not be lost by root
be lost through root hairs
enter the root through root hairs
not be produced in tissue respiration

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Human Respiration MCQs App & e-Book – O Level Biology Learning Guide

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