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MCQs

Total Questions : 106 | Page 5 of 11 pages
Question 41. The swelling of tubular walls and narrowing of tubes is
  1.    tuberculosis
  2.    bronchioles
  3.    bronchitis
  4.    asthma
 Discuss Question
Answer: Option C. -> bronchitis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 42. A muscular package, common to both food and air is
  1.    larynx
  2.    glottis
  3.    epiglottis
  4.    pharynx
 Discuss Question
Answer: Option D. -> pharynx
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 43. The destruction of walls of the alveoli is
  1.    emphysema
  2.    asthma
  3.    pneumonia
  4.    bronchitis
 Discuss Question
Answer: Option A. -> emphysema
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 44. In animals and human beings, the lungs and the air passageway are two important parts of
  1.    respiratory system
  2.    epidermal system
  3.    excretory system
  4.    cellular system
 Discuss Question
Answer: Option A. -> respiratory system
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 45. Which of the following is the human breathing rate at rest?
  1.    30-40 times per minute
  2.    16-20 times per minute
  3.    12-18 times per minute
  4.    25-30 times per minute
 Discuss Question
Answer: Option B. -> 16-20 times per minute
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 46. Which of the following is the respiratory surface in human beings?
  1.    lungs
  2.    alveolar ducts
  3.    alveoli
  4.    chest cavity
 Discuss Question
Answer: Option C. -> alveoli
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 47. The world No Tobacco Day is celebrated on
  1.    31st may
  2.    31st April
  3.    31st march
  4.    31st June
 Discuss Question
Answer: Option A. -> 31st may
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 48. The nasal cavity opens outside of the kind of openings that are called
  1.    trachea
  2.    glottis
  3.    nostrils
  4.    pharynx
 Discuss Question
Answer: Option C. -> nostrils
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 49. As compared to respiration, the processes involved in the breathing includes
  1.    bio-chemical processes
  2.    mechanical processes
  3.    non-mechanical processes
  4.    bio-physical processes
 Discuss Question
Answer: Option C. -> non-mechanical processes
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 50. The inner cells of leaves are called
  1.    mesophyll
  2.    guard cells
  3.    stomata
  4.    epidermis
 Discuss Question
Answer: Option A. -> mesophyll
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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