Major nitrogenous excretory material of earthworm is
Uric acid is the chief nitrogenous component of excretory product of cockroaches.
Uric acid is the chief nitrogenous component of the excretory product of
Assertion [A] : Malpighian tubules are excretory organs projecting from the colon of the digestive system
Reason [R] : The nitrogenous excretory product is Uric acid.