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MCQs

Total Questions : 106 | Page 6 of 11 pages
Question 51. In plants, where self-pollination is unlikely due to greater distance between male and female parts includes
  1.    pawpaw
  2.    custard apple
  3.    sage
  4.    rose
 Discuss Question
Answer: Option C. -> sage
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 52. How many lobes left lung has?
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option B. -> 2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 53. The percentage of respiratory disorders is high in Pakistan due to more concentration of air
  1.    chemicals
  2.    components
  3.    gases
  4.    pollution
 Discuss Question
Answer: Option D. -> pollution
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 54. A human breath per minute is
  1.    16-30 times
  2.    16-20 times
  3.    15-20 times
  4.    15-18 times
 Discuss Question
Answer: Option B. -> 16-20 times
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 55. 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
 Discuss Question
Answer: Option B. -> diaphragm
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 56. The fibrous bands that are stretched across the voice box are called
  1.    vocal duct
  2.    voice box
  3.    vocal tract
  4.    vocal cords
 Discuss Question
Answer: Option D. -> vocal cords
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 57. Loss of lung tissue is caused by
  1.    bronchitis
  2.    emphysema
  3.    asthma
  4.    pneumonia
 Discuss Question
Answer: Option B. -> emphysema
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 58. According to world health organization (WHO), in developing countries smoking rate is rising
  1.    0.024
  2.    0.033
  3.    0.034
  4.    0.038
 Discuss Question
Answer: Option C. -> 0.034
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 59. The main goal in the prevention of lung cancer is eliminating
  1.    pollutants
  2.    chemicals
  3.    tobacco smoking
  4.    harmful gases
 Discuss Question
Answer: Option C. -> tobacco smoking
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 60. The kind of bronchitis in which inflammation develops in bronchi is called
  1.    chronic bronchitis
  2.    coastal bronchitis
  3.    intercostal bronchitis
  4.    acute bronchitis
 Discuss Question
Answer: Option A. -> chronic bronchitis
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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