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Class 8 Science MCQs – Practice Test 6 (Chapter 9)
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Learn Respiration and circulation Multiple Choice Questions (MCQ) and Answers PDF to improve exam readiness online. Download the Respiration and Circulation MCQ PDF e-Book, Ch. 9-6 to learn Class 8 Science Course. Study Respiration and Breathing Multiple Choice Questions and Answers (MCQs) PDF, Respiration and Circulation Quiz Questions and Answers for science digital learning resources. Download the Respiration and Circulation App: Free Class 8 Science MCQ App to learn respiration and breathing, transport in human beings test prep for science virtual learning networks.
Free Respiration and Circulation MCQ App Download (iOS & Android): Number of chambers in a heart is; MCQ with answers: 3, 2, 4, and 1. Practice Respiration and Breathing MCQ Questions, download Apple Book (Free Chapter) to improve exam readiness online.
MCQ 26: The small air sacs which are present at the end are called:
MCQ 27: The number of chambers in a heart is:
MCQ 28: A long wind pipe in which air enters when we breathe is called:
MCQ 29: The upper small chambers are called as:
MCQ 30: The protein which is red in color and present in blood is called:
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