IGCSE O Level Biology MCQs - Chapter 9

Homeostasis in Biology Multiple Choice Questions (MCQ) PDF Download - 22

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Homeostasis in Biology Exam Questions and Answers PDF Download: Test 22

MCQ 106:

In addition to getting rid of fur, arctic foxes also develop

whiskers in summers
change color in summers
specialized hairs in summers
spikes

MCQ 107:

Convection may reduce body temperature through

excessive sweating
sitting in front of a fan
bathing
expiration

MCQ 108:

All are the functions of the cornified layer, but to

protect against germ enter
prevent uncontrolled water evaporation
replace granular layer
protect soles of feet

MCQ 109:

If the temperature of the surroundings is higher, mammals tend to

loose more heat to it
gain heat
remain indifferent to it
loose body temperature

MCQ 110:

All are the functions of the cornified layer, but,

preventing mechanical injury
water-resistant
has keratin deposits
to divide and form new cells

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