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MCQs

Total Questions : 92 | Page 4 of 10 pages
Question 31. Maximum oxygen can be absorbed at a level of
  1.    sea
  2.    beach
  3.    pond
  4.    dam
 Discuss Question
Answer: Option A. -> sea
Answer: (a).sea
Question 32. Oxygen is less soluble as compare to carbon dioxide is
  1.    TRUE
  2.    FALSE
  3.    to some extent true
  4.    not true at all
 Discuss Question
Answer: Option A. -> TRUE
Answer: (a).TRUE
Question 33. Exchange of gasses through diffusion takes place when there is a difference in
  1.    partial pressure
  2.    liquid pressure
  3.    hydraulic pressure
  4.    concentration gradient
 Discuss Question
Answer: Option A. -> partial pressure
Answer: (a).partial pressure
Question 34. Mechanical process which consists of two phases inspiration and expiration is called
  1.    respiration
  2.    breathing
  3.    photosynthesis
  4.    translocation
 Discuss Question
Answer: Option B. -> breathing
Answer: (b).breathing
Question 35. Complex cartilaginous structure present at upper end of trachea is called
  1.    pharynx
  2.    larynx
  3.    glottis
  4.    epiglottis
 Discuss Question
Answer: Option B. -> larynx
Answer: (b).larynx
Question 36. Epithelium is only two cell thick which facilitates process of
  1.    respiration
  2.    diffusion
  3.    exchange
  4.    inchange
 Discuss Question
Answer: Option B. -> diffusion
Answer: (b).diffusion
Question 37. Oxygen combines with hemoglobin in blood and form
  1.    oxyhemoglobin
  2.    deoxyhemoglobin
  3.    hemoglobin
  4.    carbohemoglobin
 Discuss Question
Answer: Option A. -> oxyhemoglobin
Answer: (a).oxyhemoglobin
Question 38. Opening of larynx is called
  1.    glottis
  2.    epiglottis
  3.    vocal cords
  4.    soft palate
 Discuss Question
Answer: Option A. -> glottis
Answer: (a).glottis
Question 39. When exchange of gases take place in lungs, it is called
  1.    diffusion
  2.    osmosis
  3.    pulmonary respiration
  4.    active transport
 Discuss Question
Answer: Option C. -> pulmonary respiration
Answer: (c).pulmonary respiration
Question 40. In rigorous exercises, fatigue results due to
  1.    high concentration of ethanol
  2.    high concentration of lactic acids
  3.    partial breakdown of glucose
  4.    a loss of oxygen debt
 Discuss Question
Answer: Option B. -> high concentration of lactic acids
Answer: (b).high concentration of lactic acids

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