Waec Model Questions Vol1 2019 Biology Question 41
Practice objective / multiple choice question 41 from the 2019 Waec Model Questions Vol1 Biology examination.
In a sealed experimental chamber containing a small animal and a green plant, the following changes are recorded over a 2‑hour period: total O₂ volume decreases by 120 mL and total CO₂ volume increases by 80 mL. The plant carries out photosynthesis with a 1:1 molar ratio of CO₂ consumed to O₂ released. Assuming no other gas exchanges, what is the net volume of O₂ (in mL) consumed by the animal alone?
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About This Question
This is Waec Model Questions Vol1 2019 Biology Question 41. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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