Respiration and Food Energy Multiple Choice Questions and Answers 2 PDF Download

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MCQ on Respiration and Food Energy Worksheets 2 Quiz PDF Download

MCQ: Cold is caused by

  1. bacteria
  2. viruses
  3. insects
  4. dust


MCQ: Number of viruses which an average sneeze can spread in 10 meters area, is

  1. 1000
  2. 10000
  3. 100000
  4. 1000000


MCQ: Process of giving out breath is known as

  1. inhaling
  2. exhaling
  3. respiration
  4. evaporation


MCQ: Every single cell of body requires

  1. oxygen only
  2. food only
  3. carbon dioxide and food
  4. oxygen and food


MCQ: Carbon dioxide is removed from

  1. anus as feces
  2. lungs while inhaling
  3. lungs while exhaling
  4. kidneys