The colour of the body in earthworm is brown due to the presence of

The colour of the body in earthworm is brown due to presence of

Earthworms is brown due to presence of

Earthworm is brown due to presence of

Identify the correct statements from the below about "Lampito mauritii ". (I) It has a long and cylindrical narrow body. (II) Light brown in colour, with purplish tinge at the anterior end. (III) It consists of about 100-105 segments. (IV) Colour of the earthworm is mainly due to the presence of porphyrin pigment.

The yellow colour of the urine is due to the presence of a pigment, ............

The colour of urine is pale yellow due to the presence of _____ pigment.