Neco Model Questions Vol1 2023 Biology Question 30

Practice objective / multiple choice question 30 from the 2023 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2023 Biology Objective / Multiple Choice Medium Difficulty
Question 30 NECO_MODEL_QUESTIONS_VOL1 • 2023 • BIOLOGY • objective

A person exposed to cold has core body temperature recorded as follows: at 0 min \(35.0^{\circ}\text{C}\), at 10 min \(36.5^{\circ}\text{C}\), at 20 min \(37.2^{\circ}\text{C}\), and at 30 min \(37.0^{\circ}\text{C}\). (i) Identify the type of feedback mechanism regulating body temperature, (ii) calculate the average rate of temperature increase (in \(^{\circ}\text{C}\) per minute) during the first 20 minutes, and (iii) determine the percentage decrease in temperature from the peak (20 min) to the value at 30 min.

Answer Options

A. Negative feedback; 0.12 °C min⁻¹; 0.54 % decrease
B. Positive feedback; 0.11 °C min⁻¹; 0.54 % decrease
Correct Answer C. Negative feedback; 0.11 °C min⁻¹; 0.54 % decrease
D. Negative feedback; 0.11 °C min⁻¹; 0.45 % decrease
Correct Answer
C
Correct Option:
Negative feedback; 0.11 °C min⁻¹; 0.54 % decrease

About This Question

This is Neco Model Questions Vol1 2023 Biology Question 30. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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