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Mark the statement that is incorrect for digestive system of cockroach

A

Gizzard is internally provided with six cuticular teeth which crush the food

B

Peritrophic membrane is permeable to digested food and enzymes in the mesenteron

C

The wall of rectum is provided with six rectal papillae which help in the absorption of water and salts

D

Crop of cockroach is not used for digestion of food as it is lined by cuticle

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