A) Stomach, Dorsal blood vessel. Ventral blood vessel, Supra- oesophageal vessel, Anterior loops. Ring vessel and Micronephridia
B) Stomach, Dorsal blood vessel, Ventral blood vessel. Lateral hearts, Ring vessels and Pharyngeal nephridia
C) Intestine, Dorsal blood vessel, Ventral blood vessel, Supra-oesophageal vessel and Septal nephridia
D) Stomach, dorsal blood vessel, sub neural blood vessel and Lateral hearts
Correct Answer: A
Solution :
Lateral hearts-occur in 7th and 9th segments intestine-extends from 15th to last segment Subneural blood vessel-extends from 14th segment upto posterior end Pharyngeal nephridia? occur in 4th, 5th and 6th segments Septal nephridia? occur on both faces of each inter segmental septum behind 15th segment
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