Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth :

 

  • Option 1)

    Pharynx  \rightarrow Oesophagus \rightarrow Crop \rightarrow Gizzard \rightarrow Ileum \rightarrow Colon \rightarrow Rectum

  • Option 2)

    Pharynx  \rightarrow Oesophagus \rightarrow  Gizzard \rightarrow Crop \rightarrow Ileum \rightarrow Colon \rightarrow Rectum

  • Option 3)

    Pharynx  \rightarrow Oesophagus \rightarrow  Gizzard \rightarrow  Ileum \rightarrow Crop \rightarrow Colon \rightarrow Rectum

  • Option 4)

    Pharynx  \rightarrow Oesophagus \rightarrow  Ileum \rightarrow Crop \rightarrow Gizzard \rightarrow Colon \rightarrow Rectum

 

Answers (1)

 

Alimentary canal of cockroach -

The alimentary canal of cockroach is divided into three parts, foregut, midgut, and hindgut. 

- wherein

Foregut (stomodeum) is differentiated into five parts. Buccal chamber or mouth cavity, pharynx, oesophagus, crop and gizzard 

 

 

 

The alimentary canal of cockroach has the following organs in order :-

Pharynx

Oesophogus

Gizzard

Midgut

ileum

Colon

Rectum


Option 1)

Pharynx  \rightarrow Oesophagus \rightarrow Crop \rightarrow Gizzard \rightarrow Ileum \rightarrow Colon \rightarrow Rectum

Option 2)

Pharynx  \rightarrow Oesophagus \rightarrow  Gizzard \rightarrow Crop \rightarrow Ileum \rightarrow Colon \rightarrow Rectum

Option 3)

Pharynx  \rightarrow Oesophagus \rightarrow  Gizzard \rightarrow  Ileum \rightarrow Crop \rightarrow Colon \rightarrow Rectum

Option 4)

Pharynx  \rightarrow Oesophagus \rightarrow  Ileum \rightarrow Crop \rightarrow Gizzard \rightarrow Colon \rightarrow Rectum

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