Class 10 Biology MCQs (Grade 10) From Textbook

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Class 10 Biology Exam MCQs – Practice Test 12 (Chapter 3)

Gaseous Exchange Notes Questions with Answers PDF Download – Test 12

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The Gaseous exchange Notes Questions and Answers PDF (Gaseous Exchange Quiz Answers PDF e-Book) download Ch. 3-12 to study Class 10 Biology Course. Practice Gaseous Exchange in Humans MCQ PDF, Gaseous Exchange Quiz Questions and Answers to learn online classes courses. Download the Gaseous Exchange Notes App – Free Class 10 Biology Notes App for gaseous exchange in humans, exchange of gases in humans, thoracic diseases, respiratory disorders test prep for online courses.

The MCQ: The thick muscular structure which is present below the pair of lungs is called; "Gaseous Exchange Notes" App APK Download with answers: diaphragm, epithelial muscles, intercostal muscles, and costal muscles to learn online classes courses. Practice Gaseous Exchange in Humans MCQ Questions, download Kobo e-Book (Free Chapter) for online high school.

Gaseous Exchange MCQs – Practice Test 12 PDF Download

MCQ: 56

The thick muscular structure which is present below the pair of lungs is called

  1. epithelial muscles
  2. diaphragm
  3. intercostal muscles
  4. costal muscles
MCQ: 57

A human breath per minute is

  1. 16-30 times
  2. 16-20 times
  3. 15-20 times
  4. 15-18 times
MCQ: 58

The percentage of respiratory disorders is high in Pakistan due to more concentration of air

  1. chemicals
  2. components
  3. gases
  4. pollution
MCQ: 59

The kind of bronchitis in which inflammation develops in bronchi is called

  1. chronic bronchitis
  2. coastal bronchitis
  3. intercostal bronchitis
  4. acute bronchitis
MCQ: 60

The main goal in the prevention of lung cancer is eliminating

  1. pollutants
  2. chemicals
  3. tobacco smoking
  4. harmful gases

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