Question

A dorsal horn is present on the ............ of mulberry silk worm (caterpillar).

• A. Head
• B. 8${}^{th}$ abdominal segment
• C. 5${}^{th}$ abdominal segment
• D. 2${}^{nd}$ thorasic segment

Answer 1

Answer: (B)

8${}^{th}$ abdominal segment

The silkworm belongs to the class Arthropoda. The body abdomen is divided into several segments. The abdomen of mulberry silkworm consist of 11 body segments and the caudal horn is present on the dorsal side of the eighth abdominal segment. Hence, option B is correct.