Identify the figures A, B and C and choose the correct option.
A. A - Male Ascaris, B - Hirudinaria (leech), C- Nereis
B. A - Female Ascaris, B - Nereis, C-Hirudinaria (leech)
C. A - Female Ascaris B- Hirudinaria (leech), C - Nereis
D. A - Male Ascaris, B - Nereis, C- Hirudinaria (leech)
Correct Answer : B.
Ascaris belongs to nematode phylum which is a non - segmented roundworms / threadworms/ pinworms. Nereis is a genus of polychaete worms. It possesses setae and parapodia for locomotion. Hirudinaria, also known as cattle leech, belongs to annelida phylum. It acts as a parasite on cattle.