Class 7 Science MCQs - Chapter 20
Respiration and Food Energy Trivia Questions and Answers PDF - 4
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Respiration and Food Energy Questions & Answers PDF Download: MCQ Quiz 4
MCQ 16: The number of chemicals found in a cigarette is
- 100
- 200
- 300
- 400
MCQ 17: Tar is a chemical in a cigarette that causes
- asthma
- dizziness
- cancer
- addiction
MCQ 18: Due to carbon monoxide in cigarette, smoker feels
- tiredness and breathlessness
- anxiety
- stress
- sleepiness
MCQ 19: The 'air' that we breath, turns moist, by
- hair in nostrils
- blood capillaries in nostrils
- water in the nose
- mucus lining in nostrils
MCQ 20: Preventive measure for flu is
- medical checkup
- vaccination
- injection
- nebulization
Class 7 Science Mock Tests
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