Q. A transverse section of Pheretima taken through the 10^(th) 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
Explanation
A transverse section of Pheretima taken through the 10^(th) segment shows the following structures - stomach, dorsal blood vessel, ventral blood vessel supraoesophageal vessel, anterior loops, ring vessel and micronephridia.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.