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Class 8 Science MCQs - Chapter 9

Respiration and Circulation Multiple Choice Questions (MCQ Quiz) PDF Download - 1

The Book Respiration and circulation Multiple Choice Questions and Answers (MCQs), respiration and circulation quiz answers PDF 1 to study online courses, class 8 science tests. Practice Respiration and Breathing MCQs, respiration and circulation quiz questions and answers for distance learning classes. The App Respiration and Circulation MCQ eBook PDF Download: respiration and breathing, transport in human beings test prep for online degree programs.

The Multiple Choice Question (MCQ Quiz): The ribs moves upwards and outwards when we PDF, "Respiration and Circulation" App Download (Free) with exhale, inhale, digestion, and defecate choices for distance learning classes. Solve respiration and breathing quiz questions, download Google eBook (Free Sample) for online classes.

Class 8 Science: Respiration and Circulation MCQs Questions PDF Download

MCQ: The ribs moves upwards and outwards when we

A) inhale
B) exhale
C) digestion
D) defecate

MCQ: More than half of total blood volume is the

A) red and blood cells
B) plasma
C) platelets
D) all of them

MCQ: The special organ in mammals, birds and reptiles is

A) lungs
B) air sacs
C) stomata
D) spiracles

MCQ: Platelets help in blood

A) producing
B) rejuvenating
C) clotting
D) purifying

MCQ: The circulatory system of human is composed of

A) heart
B) blood
C) blood vessels
D) all of them

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