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NEET2020ZoologyStructural Organisation in AnimalsActual

In cockroach, identify the parts of the foregut in correct sequence:

Options

  1. AMouth → Oesophagus → Pharynx → Crop → Gizzard
  2. BMouth → Crop → Pharynx → Oesophagus → Gizzard
  3. CMouth → Gizzard → Crop → Pharynx → Oesophagus
  4. DMouth → Pharynx → Oesophagus → Crop → Gizzard

Correct answer

D. Mouth → Pharynx → Oesophagus → Crop → Gizzard

Step-by-step solution

Foregut or Stomodaeum: It is the first part of the alimentary canal and it contains mouth, pharynx, oesophagus, crop and gizzard. The sequence of the parts are: Mouth → Pharynx → Oesophagus → Crop → Gizzard

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