Class 8 Science MCQs - Chapter 9
Respiration and Circulation Multiple Choice Questions (MCQs) PDF Download - 9
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Respiration and Circulation Questions & Answers PDF Download: MCQ Quiz 9
MCQ 41: Human beings have specialized structure to carry out exchange of gases called
- respiratory system
- digestion system
- nervous system
- circulatory system
MCQ 42: The blood which is oxygenated in lungs is carried to heart by
- pulmonary veins
- carotid veins
- aorta
- jugular vein
Class 8 Science Mock Tests
Respiration and Circulation Learning App & Free Study Apps
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8th Grade Science MCQs eBook Download
Grade 6 Science Mock Tests
Grade 8 Science Practice Tests
Grade 6 Science MCQ with Answers
- Smallest cells present in the human body are
- Maximum thickness of the eyelid is
- Photosynthesis increases the concentration of oxygen in air, which is necessary for all
- Letter used to identify an element in the periodic table is known as
- Cells that detect the change are known as
- Elements that are brittle and cannot be rolled into wires are known as
Respiration and Circulation MCQ Book Questions
- Porcupine puffer fish makes its appearance bigger by
- Sedimentary layers over a period of time are compacted and cemented to form
- Sound travels at speed of 1482m/s in
- In melting of ice cube the heat gain
- A pale yellow liquid in which blood cells n platelets are suspended is
- Most important group of decomposers include