![The correct statement for protein haemoglobin.](https://www.gkseries.com/blog/wp-content/uploads/2021/12/Biomolecules-Multiple-Choice-Questions-and-Answers-219.jpg)
Q. The correct statement for protein haemoglobin.
- functions as a catalyst for biological reactions.
- maintains blood sugar level.
- acts as oxygen carrier in blood.
- forms antibodies and offers resistance to disease.
Answer: acts as oxygen carrier in blood.