Neco Model Questions Vol1 2025 Biology Question 41

Practice objective / multiple choice question 41 from the 2025 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2025 Biology Objective / Multiple Choice Easy Difficulty
Question 41 NECO_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • objective

A plant cell is approximated as a sphere with radius \(15\ \mu\text{m}\). The central vacuole occupies 80 % of the cell's total volume. Calculate the volume of the cytoplasm (the part of the cell excluding the vacuole) in cubic micrometres, giving your answer in exact form and to three significant figures.

Answer Options

A. Cytoplasm volume = \\(1080\\pi\\ \mu\\text{m}^{3}\\) ≈ \\(3.39\\times10^{3}\\ \mu\\text{m}^{3}\\).
Correct Answer B. Cytoplasm volume = \(900\pi\ \mu\text{m}^{3}\) ≈ \(2.83\times10^{3}\ \mu\text{m}^{3}\).
C. Cytoplasm volume = \\(720\\pi\\ \mu\\text{m}^{3}\\) ≈ \\(2.26\\times10^{3}\\ \mu\\text{m}^{3}\\).
D. Cytoplasm volume = \\(900\\ \mu\\text{m}^{3}\\) ≈ \\(9.00\\times10^{2}\\ \mu\\text{m}^{3}\\).
Correct Answer
B
Correct Option:
Cytoplasm volume = \(900\pi\ \mu\text{m}^{3}\) ≈ \(2.83\times10^{3}\ \mu\text{m}^{3}\).

About This Question

This is Neco Model Questions Vol1 2025 Biology Question 41. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Biology examination.

Difficulty level: Easy .

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