Which of the following is not an excretory organ ?

Which of the following is a excretory organ in mollusca?

Which is not a excretory organ?

Excretory organs help the body in getting rid of waste products: Which of the following organs is not an excretory organ?

Which one of the following simplest excretory organs ?

Which one of the following simplest excretory organs ?

In which one of the following options excretory organs are correctly stated against the given organism ?

Which one is not an excretory organ

Which one is not an excretory organ