Question

Consider the following statement about haemoglobin and select the correct answer from the code given below:

1. It contains iron.
2. It imparts red colour to the blood.
3. It provides immunity against certain diseases.
4. It is a career of oxygen in the blood.

Code:

1. 1, 2 and 3
2. 2, 3 and 4
3. 1, 3 and 4
4. 1, 2 and 4