Regarding Aschelminthes: 1. Alimentary canal is incomplete 2. They a well- developed muscular pharynx. 3. An excretory tube removes body wastes from the body cavity through the excretory pore. Regarding 1,2 and 3:

Question

( a ) 3 is incorrect but 1 and 2 are correct
( b ) 2 is correct but 1 and 3 are incorrect
( c ) 2 is incorrect but 1 and 3 are correct
( d ) 1 is incorrect but 2 and 3 are correct