An adult human excrectes, on an average `"_________"` litres of urine per day.

Options

A. 1 to 1.5
B. 2 to 2.5
C. 2.5 to 3
D. 3 to 3.5

Answer

To solve the question regarding the average urine excretion of an adult human, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the average amount of urine excreted by an adult human in liters per day.

2. **Know the Average Urine Excretion**: Research indicates that an adult human typically excretes between 1 to 1.8 liters of urine daily.

3. **Select the Closest Option**: Since the options provided do not include 1 to 1.8 liters, we need to choose the closest range. The available options are:
- 1 to 1.5 liters
- 2 to 2.5 liters
- 2.5 to 3 liters
- 3 to 3.5 liters

4. **Determine the Correct Answer**: The closest and most accurate option to the average urine output of 1 to 1.8 liters is **1 to 1.5 liters**.

5. **Final Answer**: Therefore, the answer to the question is that an adult human excretes, on average, **1 to 1.5 liters** of urine per day.