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ICSE Class 6 Biology Question 10 of 10

Respiratory System — Question 10

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Question

Question 6

Correct the following statements by changing the first/ last word only :

  1. BCG is a kind of vaccine used to prevent Pneumonia.
  2. Streptomycin is a kind of vaccine.
  3. Breathing is a bio-chemical process.
  4. The amount of oxygen in expired air is 21%.
  5. The front opening of the trachea is guarded by a muscular flap called diaphragm.
Answer
  1. BCG is a kind of vaccine used to prevent Tuberculosis.
  2. Streptomycin is a kind of antibiotic.
  3. Respiration is a bio-chemical process.
  4. The amount of oxygen in expired air is 16%.
  5. The front opening of the trachea is guarded by a muscular flap called epiglottis.