Biology : Biochemistry And Biomolecules

Consider the following statements:

1. Non-functioning of lachrymal gland is an important symptom of deficiency of Vitamin A.
2. Deficiency of Vitamin B1 can lead to indigestion and heart enlargement.
3. Vitamin C deficiency can lead to pain in the muscles.
4. Deficiency of Vitamin D causes increased loss of Ca in urine.

Which of the statements given above are correct?