In comparison to ammonia and urea, uric acid is the least toxic and the least soluble in water.

True

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False

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Solution

The correct option is A True
The uricotelic organism excretes uric acid or its salts. In comparison to Ammonia and Urea, Uric acid is the least toxic and the least soluble in water. It can be stored in cells and body tissues without toxic effects and thus needs least water and is highly efficient mode of excretion in comparison to two other methods. Uricotelic organisms include terrestrial arthropods (including insects), lizards, snakes, and birds. The excreta of uricotelic organisms is typically white paste.

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Similar questions

Compared to ammonia and urea, uric acid is least toxic and least soluble in water.

The following substances are the excretory products in animals. Choose the least toxic form among them.
(a) Urea (b) Uric acid
(c) Ammonia (d) Carbon dioxide

Q. Arrange the following in correct order based on increasing toxicity.

(a) Urea
(b) Uric acid
(c) Ammonia

Q. I have a doubt in URECOTELISM process. The concept says that the uric acid is insoluble in water and it requires the least amount of water for excretion. But how is that possible, i can't understand., how an insoluble substance needs less water than ammonia and urea?

Q. The characteristic(s) common to urea, uric acid and ammonia is/are:

(i) They are nitrogenous wastes.
(ii) They all need very large amount of water for excretion.
(iii) They are all equally toxic.
(iv) They are produced in the kidneys.

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