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Cockroach has a stomadaeal valve betweenA. ileum and colonB. crop and gizzardC. mesenteron asnd ileumD. gizzard and mesenteron

Answer» Correct Answer - D
Stomodeal valve is present between fizzard and mesenteron. It is a posterior narrow and tubular part of gizzard which protects the midgut to prevent backflow of food.


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