Which of the following structure is absent in rats?

Liver

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Small intestine

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Gall bladder

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Pancreas

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Solution

The correct option is C Gall bladder
Rat belongs to the class Mammalia. Rats do not have the gall bladder and so the bile from the rat liver flows directly through the bile duct into the small intestine.
So, the correct answer is 'Gall bladder'.

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