KCET · BIOLOGY · STD 11 - 16. Excretory Products and their Elimination
The characteristic that is shared by urea, uric acid and ammonia is/are
(A) They are nitrogenous wastes.
(B) They all need very large amount of water is excretion.
(C) They all are equally toxic.
(D) They are produced in the kidneys.
- A A, C and D
- B A only
- C A and C
- D A and D
Answer & Solution
Correct Answer
(B) A only
Step-by-step Solution
Detailed explanation
(B) A only,
Urea, uric acid, and ammonia are all nitrogenous wastes derived from protein metabolism. They have different toxicity--ammonia being the most toxic, followed by urea, and uric acid is the least toxic. Ammonia requries a large amount of water for excretion. Urea is produced in the liver.
Urea, uric acid, and ammonia are all nitrogenous wastes derived from protein metabolism. They have different toxicity--ammonia being the most toxic, followed by urea, and uric acid is the least toxic. Ammonia requries a large amount of water for excretion. Urea is produced in the liver.
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