Respiration and Food Energy Multiple Choice Questions and Answers 4 PDF Download

Respiration and food energy multiple choice questions, learn grade 7 science online test prep 4 for elementary school online courses, distance learning for exam prep. Practice respiratory system diseases multiple choice questions (MCQs), respiration and food energy quiz questions and answers for science class for 7th grade life science.

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MCQs on Respiration and Food Energy Worksheets 4 Quiz PDF Download

MCQ: Number of chemicals found in a cigarette is

  1. 100
  2. 200
  3. 300
  4. 400


MCQ: Tar is a chemical in a cigarette that causes

  1. asthma
  2. dizziness
  3. cancer
  4. addiction


MCQ: Due to carbon monoxide in cigarette, smoker feels

  1. tiredness and breathlessness
  2. anxiety
  3. stress
  4. sleepiness


MCQ: 'air' that we breath, turns moist, by

  1. hair in nostrils
  2. blood capillaries in nostrils
  3. water in the nose
  4. mucus lining in nostrils


MCQ: Preventive measure for flu is

  1. medical checkup
  2. vaccination
  3. injection
  4. nebulization