Step 1: Understanding Vitamin C deficiency.
Vitamin C (ascorbic acid) is essential for the growth and repair of tissues in the body. A deficiency in Vitamin C leads to a condition called scurvy.
Step 2: Analysis of options.
(A) Goitre: Incorrect. This disease is related to iodine deficiency and is not caused by Vitamin C deficiency.
(B) Beri-Beri: Incorrect. This condition is caused by a deficiency of Vitamin B1 (Thiamine), not Vitamin C.
(C) Scurvy: Correct. Scurvy is a disease caused by the deficiency of Vitamin C. Symptoms include weakness, gum disease, and skin issues.
(D) Night blindness: Incorrect. Night blindness is caused by a deficiency in Vitamin A, not Vitamin C.
Step 3: Conclusion.
The correct answer is (C) Scurvy, which is caused by Vitamin C deficiency.
Final Answer:} Scurvy.