Question

Match the correct pain in List-I and List-II with reference to Pheretima.

List-I	List-II
(A) Pharyngeal Nephridia	(I)14th segment
(B) Stomach	(II)18th segment
(C) Anterior loops	(III)9th to 14th segments
(D) Male genital apertures	(IV) 4th, 5th and 6th segments
	(V)10th and 11th segments

• A. A- (IV), B- (III), C- (V), D- (II)
• B. A- (V), B- (IV), C- (III), D- (I)
• C. A- (III), B- (IV), C- (V), D- (II)
• D. A- (IV), B- (I), C- (V), D- (II)

Answer 1

Answer: (A)

A- (IV), B- (III), C- (V), D- (II)

The pharyngeal nephridia are attached to the either side if the fourth, fifth and sixth segments and contains blood gland. The stomach lies in segments 9-14. Anterior loops are two pairs of blood vessels connecting lateral oesophageal vessels to the supra-oesophageal vessel. The blood flows upwards in the vessels. They are located in the 10th and 11th segments. On the ventrolateral sides of the 18th segment, a pair of male genital pores is present.