Class VIII

Jams, jellies and squashes are preserved by
  1. Salt
  2. Oil
  3. Vinegar
  4. Sugar
Mushroom belongs to
  1. algae
  2. virus
  3. fungi
  4. None of these
Penicillin is a drug that can
  1. algae
  2. fungus
  3. bacteria
  4. yeast
Carrier of dengue is
  1. Female Anopheles mosquito
  2. Female Aedes mosquito
  3. Male Anopheles mosquito
  4. Male Aedes mosquito
Conversion of nitrogen to ammonia is
  1. Nitrification
  2. Phosphorylation
  3. Denitrification
  4. Nitrogen fixation
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