Neco 2025 Biology Question 17
Practice objective / multiple choice question 17 from the 2025 Neco Biology examination.
In a diagram of a typical plant cell the numbered structures are: 1 - nucleus (diameter \(6\) µm), 2 - chloroplast (ellipsoid \(5\) µm × \(2\) µm), 3 - vacuole (sphere radius \(15\) µm), 4 - mitochondrion (cylinder \(3\) µm × \(1\) µm). Identify the structure where the Calvin cycle occurs and calculate the percentage of the cell's total volume occupied by chloroplasts if the cell is a sphere of radius \(20\) µm and contains thirty chloroplasts. Give your answer to one decimal place.
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About This Question
This is Neco 2025 Biology Question 17. It is one of the objective questions from the 2025 Neco Biology examination.
Difficulty level: Hard .
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