Uric acid is excretory waste in which one of the following?

Lizzard

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Birds

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Both A and B

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None of the above

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Solution

The correct option is C Both A and B
In birds and reptiles like lizzards, uric acid also is the end-product of nitrogenous waste and it is excreted in feces as a dry mass. This involves a complex metabolic pathway that is energetically costly in comparison to processing of other nitrogenous wastes, such as urea or ammonia, but has the advantages of reducing water loss and hence, reducing the need for water. Hence, option C is correct.

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Similar questions

Which of these organisms have uric acid as an excretory product?

Uric acid is the chief nitrogenous component of the excretory product of

Excretory organ	Disposed as	Excretory products
Kidneys	Urine	Nitrogenous waste products urea, Uric acid, Creatinine etc.
Lungs	Exhaled/ Expired air	_______
Skin	______	Excess water and salts

The main excretory product in insects is uric acid.

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