Which among the following statements are correct and which are wrong ?
1. Plasma constitutes `45%` of blood.
2. Albumin is plasma protein involved in osmotic balance,
3. Blood clotting factors are present in blood.
4. Plasma without clotting factors is serum.
5. Minerals are not found in blood

Options

A. 1-4 correct, 5 wrong
B. 1-2 correct, 3,4,5 wrong
C. 2,3,4 correct, 1 and 5 wrong
D. 1 and 5 correct, 2,3,4 wrong

Answer

To determine which statements are correct and which are wrong regarding blood and its components, we will analyze each statement one by one.

### Step-by-Step Solution:

1. **Statement 1: Plasma constitutes `45%` of blood.**
- This statement is **wrong**. Plasma actually constitutes about **55%** of blood, not 45%.

2. **Statement 2: Albumin is a plasma protein involved in osmotic balance.**
- This statement is **correct**. Albumin is indeed a plasma protein that plays a crucial role in maintaining osmotic pressure in the blood.

3. **Statement 3: Blood clotting factors are present in blood.**
- This statement is **correct**. Blood contains clotting factors, which are essential for the coagulation process.

4. **Statement 4: Plasma without clotting factors is serum.**
- This statement is **correct**. Serum is defined as the liquid portion of blood that remains after clotting factors have been removed.

5. **Statement 5: Minerals are not found in blood.**
- This statement is **wrong**. Blood contains various minerals such as sodium, calcium, magnesium, and chloride.

### Summary of Statements:
- **Statement 1**: Wrong
- **Statement 2**: Correct
- **Statement 3**: Correct
- **Statement 4**: Correct
- **Statement 5**: Wrong

### Conclusion:
The correct statements are **2, 3, and 4**, while statements **1 and 5** are incorrect.

### Final Answer:
The correct option is that **statements 2, 3, and 4 are correct, while statements 1 and 5 are wrong**.

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