Class XI

 Bacteria
  1. Can be seen with naked eye
  2. Are in form of pupa
  3. Are larger than virus
  4. Can only be controlled through bacteriophages
Superior vena cava is also called as
  1. Pulmonary arch
  2. Common anterior
  3. Tricuspid artery
  4. Bicuspid valve
In photosynthesis, carbon dioxide (CO2) must first be converted into
  1. Glucose
  2. Sugars
  3. Peptones
  4. Galactose
 Atria and ventricles
  1. Work simultaneously
  2. Work alternately
  3. Work unproportionally
  4. Work proportionally
Convection may reduces body temperature through
  1. Excessive sweating
  2. Sitting in front of a fan
  3. Bathing
  4. Expiration
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