Class IX

Endemics include
  1. malaria
  2. plague
  3. cholera
  4. typhoid
Secondary consumers are
  1. plants
  2. herbivores
  3. carnivores
  4. omnivores
To enable materials locked up in dead organisms, main role is played by
  1. primary consumers
  2. secondary consumers
  3. decomposers
  4. detritivore
Physical digestion means the
  1. mechanical breakup of food
  2. cellular breakup of food
  3. chewing up of food
  4. mechanical breakdown of food into smaller pieces
C12H22O11 is general formula of
  1. monosaccharide
  2. polysaccharides
  3. disaccharides
  4. trisaccharide
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