Q: 15 (NDA-I/2014)

Which of the following statements about vitamins are correct?
1. Vitamin C is essential to make connective tissue in body.
2. Vitamin D is needed for synthesis of eye pigment.
3. Vitamin B12 helps in maturation of RBC.
4. Vitamin C is required to make use of calcium absorbed from the intestine.
Select the correct answer using the code given below.

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