Respiration and Food Energy Multiple Choice Questions and Answers 2 pdf eBooks Download

Learn respiration and food energy MCQs, grade 7 science test 2, respiratory system diseases multiple choice questions and answers. Respiratory system diseases revision test has science worksheets, 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. 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