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Question

Statement 1 (S1)- Urine is generated at regular intervals in an organism.
Statement 2 (S2)- The composition of urine does not vary in an organism.
  1. Both S1 and S2 are false.
  2. Only S1 is true.
  3. Only S2 is true.
  4. Both S1 and S2 are true.


Solution

The correct option is B Only S1 is true.
Anabolic and catabolic activities are carried out in the body at regular intervals. Hence, the waste materials generated by these activities are also excreted at regular intervals. Hence, the statement - S1 is correct. The composition of waste materials excreted out of the body depends on the type of food we eat. For example, if a person eats more protein-rich diet, then the amount of urea increases in the urine. Hence, the statement - S2 is not correct.

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