Q. Consider the following statements about urine:

1. An adult human being normally passes about 1-1.5 L of urine in 24 hours.
2. The urine consists of 95% water, 2.5% urea and 2.5% other waste products.

Which of the above statements is / are correct?
Answer: Only 2
Notes: On average, adults excrete approximately 1 to 1.8 liters of urine in 24 hours, not specifically 1-1.5 L as claimed. The composition of urine is accurately described: it typically contains about 95% water, around 2.5% urea, and about 2.5% other dissolved waste products.