Class XI

Due to chemical energy, water and carbon dioxide are converted into
  1. Cellulose
  2. Carbohydrates
  3. Photolysis of water
  4. Starch
 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 penicillin production, pH of culture medium is maintained between
  1. 5 and 6
  2. 4 and 6
  3. 6 and 7
  4. 4 and 5
In photosynthesis, carbon dioxide (CO2) must first be converted into
  1. Glucose
  2. Sugars
  3. Peptones
  4. Galactose
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