It is also known as Vitamin-B :

Question

Accepted Answer

Option 3, Thiamine, is the correct answer because it is indeed known as Vitamin B1. Thiamine is a water-soluble vitamin that is part of the B-vitamin complex. It plays a crucial role in energy metabolism by helping convert carbohydrates into energy, which is essential for the proper functioning of the heart, muscles, and nervous system. Thiamine is vital for maintaining a healthy nervous system and is also important for brain function.

Now, let's explain why the other options are incorrect:

1. **Calcium**: Calcium is not a vitamin; it is a mineral. It is essential for building and maintaining strong bones and teeth, as well as playing a role in muscle function, nerve signaling, and blood clotting. Calcium is not related to the B-vitamin complex.

2. **Phosphorous**: Like calcium, phosphorus is a mineral, not a vitamin. It is important for the formation of bones and teeth, and it plays a role in how the body uses carbohydrates and fats. Phosphorus is also involved in the production of protein for the growth, maintenance, and repair of cells and tissues. It is not associated with the B-vitamin complex.

3. **Potassium**: Potassium is another mineral, not a vitamin. It is crucial for maintaining proper heart and muscle function, nerve transmission, and fluid balance in the body. Potassium is not part of the B-vitamin complex.

In summary, Thiamine is correctly identified as Vitamin B1, making Option 3 the correct choice. The other options are minerals and do not belong to the B-vitamin group.