Option 1 -> Incorrectly matches Scurvy with Vitamin B1 and Goitre with Vitamin B2.
Option 2 -> Correctly matches: Scurvy with Vitamin C, Cheilosis with Vitamin B2, Goitre with Iodine, and Beri-Beri with Vitamin B1.
Option 3 -> Incorrectly matches Scurvy with Vitamin B2 and Beri-Beri with Vitamin C.
Option 4 -> Incorrectly matches Cheilosis with Iodine and Goitre with Vitamin B2.
Hence, Option 2: (A) - (III), (B) - (I), (C) - (IV), (D) - (II) -> Scurvy is caused by Vitamin C deficiency leading to bleeding gums and weakness; Cheilosis (cracks at corners of mouth) results from Vitamin B2 deficiency; Goitre (thyroid gland enlargement) occurs due to Iodine deficiency; and Beri-Beri (nervous system disorder) is caused by Vitamin B1 deficiency -> correct