IGCSE O Level Biology Certification MCQs – Practice Test 11 (Chapter 9)

Homeostasis in Biology Quiz with Answers PDF Download – Test 11

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Homeostasis in Biology Exam Questions and Answers PDF Download: Test 11

MCQ 51: All are the mechanisms to prevent heat loss in small mammals, but,:

low metabolic rate
high food intake
avoid temperature extremes
living in burrows

MCQ 52: If the temperature of penguins rises above 38 °C, they:

cuddle together
pant
increase metabolic rate
respire on stored fat

MCQ 53: Hair erector muscles enable:

hair to remain healthy
hair to remain bouncy
hair to stand on end
hair to fall off easily

MCQ 54: Specialized hairs includes all but:

eyelashes
head hair
whiskers
pines

MCQ 55: In hypothalamus, heat gain center is activated if:

day is cold
day is sunny
mammal is hairy
excess physical activities are done

IGCSE O Level Biology Quiz App & e-Book – Homeostasis in Biology Certification Guide

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