Number of crushing teeth present in the gizzard of Cockroach is
A
Two
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B
Three
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C
Four
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D
Six
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Solution
The correct option is D Six
The buccal cavity receives the common duct of salivary glands. The cockroach has a pair of salivary glands. Saliva contains amylase which converts starch into sugar.
The oesophagus is short in the length tabular structure while the crop is a large pear-shaped structure. But both are thin-walled structure.
The gizzard is a small, rounded thick walled with muscular chitins lining structure. It has six teeth. These teeth are sharp to grind the food. Gizzard masticates the food.