Gaseous Exchange Multiple Choice Questions and Answers 21 PDF Book Download

Gaseous exchange multiple choice questions (MCQs), gaseous exchange quiz answers 21 to learn high school biology courses online. Thoracic diseases MCQs, gaseous exchange quiz questions and answers for online school degrees. Gaseous exchange in humans, exchange of gases in humans, thoracic diseases, respiratory disorders test for high school teacher certification.

Learn high school biology multiple choice questions (MCQs): nostril has mucous which is responsible for, with choices cleaning of air, filtering of air, moisten the air, and clear the air for online school degrees. Free biology study guide for online learning thoracic diseases quiz questions to attempt multiple choice questions based test.

MCQ on Gaseous Exchange Worksheets 21 PDF Book Download

MCQ: In air passageway, nasal cavity opens into a muscular passage which is called

  1. nostrils
  2. pharynx
  3. trachea
  4. glottis


MCQ: Nostril has mucous which is responsible for

  1. Filtering of air
  2. Cleaning of air
  3. Moisten the air
  4. Clear the air


MCQ: Which of following is a narrow opening at floor of pharynx which leads into larynx?

  1. Epiglottis
  2. Glottis
  3. Oral cavity
  4. Oesophagus


MCQ: Powerful poison, widely used as an insecticide

  1. Nicotine
  2. Glucagon
  3. Nicotinamide
  4. Histamide


MCQ: Respiratory disorder asthma leads to

  1. more mucous production
  2. lungs infection
  3. destruction of alveoli walls
  4. inflammation of bronchi