Class 8 Online Courses

Chapter 9: Class 8 Science Exam Tests

Class 8 Science MCQs - Chapter 9

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

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

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

Respiration and Circulation MCQ Quiz PDF Download: Science Test 1

MCQ 1: The ribs moves upwards and outwards when we

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

MCQ 2: More than half of total blood volume is the

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

MCQ 3: The special organ in mammals, birds and reptiles is

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

MCQ 4: Platelets help in blood

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

MCQ 5: The circulatory system of human is composed of

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

Respiration and Circulation Learning App & Free Study Apps

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8th Grade Science App (Android & iOS)

ALL-in-ONE Learning App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)