Gaseous Exchange Multiple Choice Questions and Answers 21 PDF Download

Learn gaseous exchange multiple choice questions, grade 10 biology online test 21 for high school degree online courses, distance learning for exam prep. Practice gaseous exchange in humans multiple choice questions (MCQs), gaseous exchange quiz questions and answers for biology class for online general biology courses distance learning.

Study high school biology multiple choice questions (MCQs): in air passageway, nasal cavity opens into a muscular passage which is called, for free online courses with choices pharynx, nostrils, trachea, and glottis, gaseous exchange in humans quiz with interesting questions to ask in teachers' jobs interview of secondary and high school teachers. Free biology study guide for online learning gaseous exchange in humans quiz questions to attempt multiple choice questions based test.

MCQs on Gaseous Exchange Worksheets 21 Quiz PDF Download

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

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

B

MCQ: Nostril has mucous which is responsible for

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

C

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

B

MCQ: Powerful poison, widely used as an insecticide

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

A

MCQ: Respiratory disorder asthma leads to

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

A