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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 micronephridia

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



Question ID - 291 | SaraNextGen Top Answer

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 micronephridia

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

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

A transverse section of Pheretima taken through the 10th segment shows the following structures - stomach, dorsal blood vessel, ventral blood vessel supraoesophageal vessel, anterior loops, ring vessel and micronephridia.

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