NEET Biology question

A transverse section of *Pheretima* taken through the 10th segment is observed in microscope. Which of the following structures can be observed in the section?

(A)Stomach, dorsal blood vessel, ventral blood vessel, supraoesophageal vessel, anterior loops, ring vessel and micronephridiaCorrect
(B)Stomach, dorsal blood vessel, ventral blood vessel, lateral hearts, ring vessels and pharyngeal nephridia
(C)Intestine, dorsal blood vessel, ventral blood vessel, supraoesophageal vessel and septal nephridia
(D)Stomach, dorsal blood vessel, sub-neural blood vessel and lateral hearts

Answer: (A)

Solution

At the 10th segment, the gut is in its stomach region (the intestine proper begins much further back), and this level shows the dorsal, ventral and supra-oesophageal vessels along with the anterior looping (commissural) vessels, ring vessels, and the

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Question ID VK-105999