Class VII

Process of giving out breath is known as
  1. Inhaling
  2. Exhaling
  3. Respiring
  4. Synthesizing
Carbon dioxide is removed from
  1. Anus as feaces
  2. Lungs while inhaling
  3. Lungs while exhaling
  4. Urethra while urinating
Colds are caused by
  1. Bacteria
  2. Viruses
  3. Insects
  4. Dust
Every single cell in body requires
  1. Oxygen only
  2. Food only
  3. Carbon dioxide and food
  4. Oxygen and food
Number of virus an average sneeze can spread over 10 meters is
  1. 1,000
  2. 10,000
  3. 100,000
  4. 1,000,000
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