Class 7 Science MCQs (Grade 7) From Textbook
Free Respiration and Food Energy MCQ App | Class 7 Science e-Book PDF Download
Class 7 Science MCQs – Practice Test 2 (Chapter 19)
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The MCQ: Cold is caused by; "Respiration and Food Energy MCQ" App (Android, iOS) with answers: viruses, bacteria, insects, and dust to study online certificate courses. Practice Respiratory System Diseases MCQ Questions, download Apple Book (Free Chapter) for online elementary school.
Cold is caused by
The number of viruses which an average sneeze can spread in 10 meters area, is
The process of giving out breath is known as
Every single cell of the body requires
The carbon dioxide is removed from
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