In which of the following segments, setae are present?
A. First segment
B. Second segment
C. Clitellar segments
D. Last segment
Answer:B
In which of the following segments, setae are present?
A. First segment B. Second segment C. Clitellar segments D. Last segment
Explanation: In each body segment, except the first, last, and clitellum, there are rows of S-shaped setae, embedded in the epidermal pits in the middle of each segment. Setae can be extended or retracted. Their principal role is in locomotion.