Which one of the following structures in Pheretima is correctly matched with its function?

  • Option 1)

    Clitellum-secretes cocoon

  • Option 2)

    Gizzard-absorbs digested food

  • Option 3)

    Setae-defence against predators

  • Option 4)

    Typhlosole-storage of extra nutrients

 

Answers (1)

 

Clitelium in earthworm -

Glandular tissue clitellum (cingulum), presents 14-16 segments, forming a thick girdle.

- wherein

The gland secretes mucus and albumin and form cocoon.

 

 


Option 1)

Clitellum-secretes cocoon

This solution is correct 

Option 2)

Gizzard-absorbs digested food

This solution is incorrect 

Option 3)

Setae-defence against predators

This solution is incorrect 

Option 4)

Typhlosole-storage of extra nutrients

This solution is incorrect 

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