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BIOLOGY MCQs

Total Questions : 2561 | Page 55 of 257 pages
Question 541. Carbon monoxide has ________ greater affinity for haemoglobin as compared to oxygen.
  1.    1000 times
  2.    210 times
  3.    20 times
  4.    2 times
 Discuss Question
Answer: Option B. -> 210 times
Question 542. Sphygmomanometer measures the blood pressure in the
  1.    Veins
  2.    Arteries
  3.    Eyes
  4.    Synovial
 Discuss Question
Answer: Option B. -> Arteries
Question 543. Which statement best describes arteries?
  1.    They have thin walls and transport blood away from the heart
  2.    They have thick walls and transport blood toward the heart
  3.    They have thin walls and transport blood toward the heart
  4.    They have thick walls and transport blood away from the heart
 Discuss Question
Answer: Option D. -> They have thick walls and transport blood away from the heart
Question 544. Number of which type of WBC is greatest in blood of human?
  1.    Eosinophils
  2.    Basiophils
  3.    Lymphocytes
  4.    Neutrophils
 Discuss Question
Answer: Option D. -> Neutrophils
Question 545. Blood pressure is measured with
  1.    Thermometer
  2.    Barometer
  3.    Sphygmomanometer
  4.    Lactometer
 Discuss Question
Answer: Option C. -> Sphygmomanometer
Question 546. Blood is
  1.    Alkaline
  2.    Neutral
  3.    Like a buffer
  4.    Acidic
 Discuss Question
Answer: Option A. -> Alkaline
Question 547. Which of the following is true about veins?
  1.    Veins carry blood away from the heart, while arteries carry blood to the heart
  2.    Veins are more muscular than arteries
  3.    Veins have valves; arteries do not
  4.    Veins have a smaller diameter lumen than arteries
 Discuss Question
Answer: Option C. -> Veins have valves; arteries do not
Question 548. Which of the following serve as antibodies?
  1.    Proteins
  2.    Lipids
  3.    Carbohydrates
  4.    Nucleic acids
 Discuss Question
Answer: Option A. -> Proteins
Question 549. In a healthy person rate of heart beat on one minute is
  1.    58 times
  2.    67 times
  3.    72 times
  4.    90 times
 Discuss Question
Answer: Option C. -> 72 times
Question 550. The word histology is related with
  1.    Hepatology
  2.    Hematalogy
  3.    Histology
  4.    None of these
 Discuss Question
Answer: Option B. -> Hematalogy

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