Question

In earthworms setae are present in all segments except

• A. First and the last segments
• B. First segment
• C. Clitellum and last segments
• D. First clitellum and last segments

Answer 1

The correct option is D First clitellum and last segments

• Setae are the locomotory organ of earthworm.
  
• Each segment except first (peristomium), last (pygidium) and clitellum bears setae.
  

• The number of setae are 80-120 per segments.
  

So, the correct option is 'First, clitellum and last segments'.