Question

Function of stomodaeal value in the gut of the cockroach is to prevent the regurgitation of partially digested food from.

• A. Mid-gut into crop
• B. Preoral cavity
• C. Mid-gut into hind-gut
• D. None of these

Answer 1

Answer: (A)

Mid-gut into crop

A. Mid-gut into crop.

Explanation : Stomodeal valve is present at the junction of gizzard and midgut. Crop is the posterior end of the oesophagus gradually enlarges to form a sac like structure. Partial digestion of food materials also occurs in crop, with the help of salivary enzymes.

So, the correct option is A.