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Question
Assertion: In birds and reptiles, main excretory product is the combined form of urine and faeces.
Reason: Birds and reptiles have no separate chamber for excretion of urine and faeces.
Assertion: In birds and reptiles, main excretory product is the combined form of urine and faeces.
Reason: Birds and reptiles have no separate chamber for excretion of urine and faeces.
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Solution
The correct option is A Both the assertion and reason are true and the reason is the correct explanation for assertion.
In birds and reptiles, ureters and the rectum open into a common sac called the cloaca (as there is no chamber for urine and faeces) for these two which stores both, and reabsorbs water from them and ultimately excretes these white and brownish black material along with the aqueous fluid.
In birds and reptiles, ureters and the rectum open into a common sac called the cloaca (as there is no chamber for urine and faeces) for these two which stores both, and reabsorbs water from them and ultimately excretes these white and brownish black material along with the aqueous fluid.
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