Respiration and Food Energy Multiple Choice Questions 2 PDF Download

Practice respiration and food energy MCQs, grade 7 online science test 2, respiratory system diseases multiple choice questions and answers. Respiratory system diseases revision test has science worksheets, helping answer key with choices as viruses, bacteria, insects and dust of multiple choice questions (MCQ) with respiratory system diseases quiz as cold is caused by for competitive exam prep, viva interview questions. Free science study guide to practice respiratory system diseases quiz to attempt multiple choice questions based test.

MCQs on Respiration and Food Energy Quiz PDF Download Worksheets 2

MCQ. Cold is caused by

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


MCQ. The number of viruses which an average sneeze can spread in 10 meters area, is

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


MCQ. The process of giving out breath is known as

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


MCQ. Every single cell of the body requires

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


MCQ. The carbon dioxide is removed from

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