Neco 2022 Biology Question 34

Practice objective / multiple choice question 34 from the 2022 Neco Biology examination.

Neco 2022 Biology Objective / Multiple Choice Medium Difficulty
Question 34 NECO • 2022 • BIOLOGY • objective
Neco 2022 Biology Question 34 diagram

The diagram shows a single alveolus as a sphere with radius 0.1 mm and indicates that the lung contains 4.8 × 10⁸ such alveoli. Using this information, calculate the total internal surface area of all alveoli available for gas exchange. Give your answer in square metres, rounded to the nearest whole number.

Answer Options

A. 70 m^{2}
B. 45 m^{2}
C. 55 m^{2}
Correct Answer D. 60 m^{2}
Correct Answer
D
Correct Option:
60 m^{2}

About This Question

This is Neco 2022 Biology Question 34. It is one of the objective questions from the 2022 Neco Biology examination.

Difficulty level: Medium .

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