O Level Courses

Chapter 9: IGCSE O Level Biology Exam Tests

IGCSE O Level Biology MCQs - Chapter 9

Homeostasis in Biology Multiple Choice Questions PDF Download - 5

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Homeostasis in Biology Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: In hypothalamus, activation of heat gain center results in

A) vasodilation
B) rapid breathing
C) lower metabolic activity
D) loss of less latent heat

MCQ 22: When the body temperature rises, several mechanism helps in loosing heat but the mechanism that helps in reducing heat production is

A) reduced breathing
B) reduced rate of metabolism
C) excessive sweating
D) excessive vasodilation

MCQ 23: Scales of pangolin are

A) modified hair
B) aid in the treatment of pus and wounded ulcers
C) spikey
D) all of above

MCQ 24: From the sweat glands, the sweat is carried to sweat pore through a

A) vein
B) vessel
C) duct
D) capillary

MCQ 25: Pallor in man is caused due to

A) blood dilution
B) blood concentrated in minerals
C) arteriole dilation
D) arteriole constriction

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Homeostasis in Biology App (Android & iOS)

Homeostasis in Biology App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (Android & iOS)

SAT Biology App (Android & iOS)

SAT Biology App (Android & iOS)

Phylum App (Android & iOS)

Phylum App (Android & iOS)