Animal Kingdom Question 448
Question: Pharyngeal nephridia of Earthworn Pheretima occur in segments [CMC 2002]
Options:
A) 3, 4 and 5
B) 4, 5 and 6
C) 5, 6 and 7
D) 6, 7 and 8
Show Answer
Answer:
Correct Answer: B
Solution:
Pharyngeal nephridia of pheretima are situated in the segments, 4, 5 and 6.
They opens in the anterior part of alimentary canal, i.e., buccal cavity and pharynx.
They are without nephrostome.
BETA
