Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:

Step-by-step solution

Digestion begins at the mouth where the structures such as mandibles and maxillae help chew the food. The mouth open into a short tubular region called pharynx. The enzymes salivary carbohydrases digests food partially and the saliva juice lubricates the food to help swallow it, from where the bolus moves to the esophagus and then onto the crop. Here food remains in its masticated form temporarily. The food now moves to the gizzard where it’s grinding takes place. A valve named stomodeal is present right at t