Question

Excretory organ of spider is

• A. Coxal gland
• B. Flame cells
• C. Contractile vacuole
• D. Nephridia

Answer 1

The correct option is A Coxal gland

Coxal gland in certain arthropods, a pair of excretory organs consisting of an end sac which lies in the prosoma and open to the outside at the coxae of the walking legs. It is where initial urine is collected, a tubule where secretion and reabsorption may take place. It is present in spiders.

Therefore, the correct answer is option A.