Understanding Vitamin Deficiencies

Vitamins are essential nutrients that our bodies need in small amounts to function properly. When there is a lack of a specific vitamin, it can lead to certain health problems, often called deficiency diseases. This question asks us to match common vitamins with the diseases caused by their deficiency.

Matching Vitamins and Their Deficiency Diseases

Let's analyze each vitamin listed in Column A and match it with the correct deficiency disease from Column B.

• Vitamin A: This vitamin is crucial for vision, immune function, and cell growth. A lack of Vitamin A commonly affects the eyes.
• Vitamin B (specifically B1 - Thiamine): The B vitamins are a group involved in metabolism and energy production. Deficiency of Vitamin B1 leads to problems with the nervous system and cardiovascular system.
• Vitamin C: Also known as ascorbic acid, Vitamin C is important for collagen synthesis, immune function, and acts as an antioxidant. Its deficiency affects connective tissues.
• Vitamin D: This vitamin is vital for calcium and phosphate absorption, which are necessary for healthy bones. Lack of Vitamin D results in weakened bones.

Now let's look at the deficiency diseases in Column B:

• Beriberi: This disease is caused by a deficiency of Vitamin B1 (Thiamine). It affects the nervous system and can lead to paralysis.
• Night blindness: Difficulty seeing in low light conditions is an early symptom of Vitamin A deficiency. Severe deficiency can lead to complete blindness.
• Osteoporosis: This condition is characterized by weakened, brittle bones and is often associated with Vitamin D deficiency (in adults). In children, Vitamin D deficiency causes Rickets.
• Scurvy: Caused by Vitamin C deficiency, Scurvy results in fatigue, gum disease, skin problems, and poor wound healing.

Based on this understanding, we can make the following matches:

So, the correct matching is: i - b, ii - a, iii - d, iv - c.

Revision Table: Vitamins and Deficiencies

Additional Information on Essential Vitamins

Vitamins are classified into two main groups: fat-soluble and water-soluble.

• Fat-soluble vitamins: These include Vitamins A, D, E, and K. They are absorbed with fats in the diet and stored in the body's fatty tissues and liver. Because they can be stored, excessive intake can lead to toxicity.
• Water-soluble vitamins: These include the B vitamins (like B1, B2, B3, B6, B12, Folate, Biotin, Pantothenic acid) and Vitamin C. They are not stored in the body to a significant extent and are excreted in urine. Therefore, regular intake is needed, and toxicity from excessive intake is less common but still possible for some.

Ensuring a balanced diet rich in various fruits, vegetables, grains, and proteins is the best way to prevent vitamin deficiencies.