Question

Bacteria present in the body surface of earthworm are destroyed

• A. By excretory substance secreted by nephridia
• B. By coelomic fluid
• C. By antibodies
• D. By saliva

Answer 1

The correct option is B By coelomic fluid

Coelomic fluid consists of phagocytes, mucocytes, circular and chloragogen cells. The amoebocytes are numerous in number and serve as phagocytes. These play an important role in the destruction of bacteria on the body surface of an earthworm. So, the correct answer is option B.