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Q. |
Uric acid is the chief nitrogenous wastes in – |
A. | Frogs |
B. | Birds |
C. | Fishes |
D. | Mankind |
Answer» B. Birds | |
Explanation: Land snails, insects, birds, and some reptiles excrete uric acid as the major nitrogenous waste. The white, crystalline substance seen in a typical bird or lizard "poop" is actually urine: a little pool of uric acid crystals in a very small amount of water. |
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