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How many chitinous teeth are present in the gizzard of cockroaches?(a) Seven(b) Two(c) Eleven(d) SixThis question was addressed to me in quiz.Question is from Animals topic in chapter Structural Organisations in Animals of Biology – Class 11

Answer»

The correct option is (d) Six

Easy explanation: Gizzard or proventriculus has an outer layer of THICK circular muscles and thick INNER cuticle forming six highly CHITINOUS plate called teeth. Gizzard helps in grinding the FOOD PARTICLES.



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