Which one of the following structures in Pheretima is correctly matched with its function?
Clitellum-secretes cocoon
Gizzard-absorbs digested food
Setae-defence against predators
Typhlosole-storage of extra nutrients
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