Respiration and Food Energy Multiple Choice Questions 3 PDF Download

Learn respiration and food energy MCQs, grade 7 online science test 3, 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 flu 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 3

MCQ. Flu is caused by

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

B

MCQ. Hair in nostrils help to

  1. inhale easily
  2. exhale easily
  3. clean air from dust
  4. make the air warm

C

MCQ. The main cause of 'asthma' is

  1. tobacco smoke
  2. pets
  3. exercise
  4. laughing

A

MCQ. The 'air' is made warm by

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

B

MCQ. The respiration that does not involve the presence of oxygen is known as

  1. aerobic respiration
  2. anaerobic respiration
  3. passive Respiration
  4. active respiration

B