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UPSC Prelims 1992Question 87Science & Technology

Man cannot digest cellulose whereas cows can do so because

Options

  1. (a)Their gut contains certain bacteria capable of digesting cellulose
  2. (b)They have a many chambered stomach
  3. (c)They have efficient grinding molars
  4. (d)They produce an enzyme cellulose which can digest cellulose

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