Enzyme ptyalin acts on starch in the

  • A oesophagus
  • B large intestine
  • C mouth
  • D stomach

The correct answer is C. mouth

Options A and B are not correct.

Option C is correct. This is because, the mouth is the location where enzyme ptyalin acts on starchy food.

Option D is wrong. This is because, stomach is location for the action of renin and pepsin enzymes.

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