Class 7 Science MCQs - Chapter 19
Respiration and Food Energy Trivia Questions & Answers PDF Download - 4
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The Respiration and food energy Trivia Questions and Answers PDF (respiration and food energy Quiz Answers PDF e-Book) download Ch. 19-4 to study Grade 7 Science Course. Practice Respiratory System Diseases MCQ PDF, Respiration and Food Energy Quiz Questions and Answers to study online certificate courses. The Respiration and Food Energy Trivia App Download: Free certification app for respiratory system diseases, respiratory diseases, air moist, warm and clean test prep for free online courses.
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Respiration and Food Energy Test Questions and Answers PDF Download: MCQ 4
The number of chemicals found in a cigarette is
- 100
- 200
- 300
- 400
Tar is a chemical in a cigarette that causes
- asthma
- dizziness
- cancer
- addiction
Due to carbon monoxide in cigarette, smoker feels
- tiredness and breathlessness
- anxiety
- stress
- sleepiness
The 'air' that we breath, turns moist, by
- hair in nostrils
- blood capillaries in nostrils
- water in the nose
- mucus lining in nostrils
Preventive measure for flu is
- medical checkup
- vaccination
- injection
- nebulization
Class 7 Science Mock Tests
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