Neco Model Questions Vol1 2023 Biology Question 17

Practice objective / multiple choice question 17 from the 2023 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2023 Biology Objective / Multiple Choice Medium Difficulty

Question 17 NECO_MODEL_QUESTIONS_VOL1 • 2023 • BIOLOGY • objective

Neco Model Questions Vol1 2023 Biology Question 17 diagram

The diagram shows the major parts of the human respiratory system. Each alveolus is approximated as a sphere with a diameter of \(0.2\) mm. The lungs contain about \(3.0\times10^{8}\) alveoli. Estimate the total internal surface area of all alveoli in square metres. Use \(\pi \approx 3.14\).

Answer Options

A. 9.42 m^2

Correct Answer B. 37.68 m^2

C. 36.00 m^2

D. 150.72 m^2

Correct Answer

Correct Option:

37.68 m^2

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This is Neco Model Questions Vol1 2023 Biology Question 17. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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Neco Model Questions Vol1 2023 Biology Question 17

The diagram shows the major parts of the human respiratory system. Each alveolus is approximated as a sphere with a diameter of \(0.2\) mm. The lungs contain about \(3.0\times10^{8}\) alveoli. Estimate the total internal surface area of all alveoli in square metres. Use \(\pi \approx 3.14\).

Answer Options

About This Question

Master the Exam!

The diagram shows the major parts of the human respiratory system. Each alveolus is approximated as a sphere with a diameter of \(0.2\) mm. The lungs contain about \(3.0\times10^{8}\) alveoli. Estimate the total internal surface area of all alveoli in square metres. Use \(\pi \approx 3.14\).