Question

In which part of alimentary canal of cockroach is the invagination of cuticle found?

• A. Anterior part
• B. In midpart
• C. In posterior part
• D. Both in anterior and posterior part

Answer 1

The correct option is D Both in anterior and posterior part

The alimentary canal of cockroach is a long, muscular and tubular structure that extends from mouth to anus. Both in anterior and posterior part of the alimentary canal of cockroach, the invagination of the cuticle is found. Anterior invagination of ectoderm forms foregut. Posterior invagination of ectoderm forms hindgut.

Thus, the correct answer is option D.