Waec Model Questions Vol1 2021 Biology Question 44

Practice objective / multiple choice question 44 from the 2021 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2021 Biology Objective / Multiple Choice Medium Difficulty

Question 44 WAEC_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • objective

A resting adult produces metabolic heat at a rate of 80 W. In a hot environment the person sweats at 0.5 g min⁻¹. Only 70 % of the sweat evaporates, and the latent heat of vaporisation of water is 2.43 kJ g⁻¹. Calculate the net rate of heat gain (in watts) retained by the body.

Answer Options

Correct Answer A. 66 W

B. 80 W

C. 70 W

D. 55 W

Correct Answer

Correct Option:

66 W

About This Question

This is Waec Model Questions Vol1 2021 Biology Question 44. It is one of the objective questions from the 2021 Waec Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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Waec Model Questions Vol1 2021 Biology Question 44

A resting adult produces metabolic heat at a rate of 80 W. In a hot environment the person sweats at 0.5 g min⁻¹. Only 70 % of the sweat evaporates, and the latent heat of vaporisation of water is 2.43 kJ g⁻¹. Calculate the net rate of heat gain (in watts) retained by the body.

Answer Options

About This Question

Master the Exam!

A resting adult produces metabolic heat at a rate of 80 W. In a hot environment the person sweats at 0.5 g min⁻¹. Only 70 % of the sweat evaporates, and the latent heat of vaporisation of water is 2.43 kJ g⁻¹. Calculate the net rate of heat gain (in watts) retained by the body.