Defficiency of the following vitamin leads to pellagra

Options

A. A
B. `B_(2)`
C. `B_(3)`
D. C

Answer

To determine which vitamin deficiency leads to pellagra, we can follow these steps:

### Step 1: Understand Pellagra
Pellagra is a disease characterized by specific symptoms. It is important to identify these symptoms to understand the condition better.

**Hint:** Research the symptoms associated with pellagra to gain insight into its effects on the body.

### Step 2: Identify the Symptoms of Pellagra
Pellagra is characterized by the "four Ds":
1. Dermatitis (skin issues)
2. Diarrhea
3. Dementia
4. Death (if untreated)

**Hint:** Remember the "four Ds" as key indicators of pellagra.

### Step 3: Know the Vitamins and Their Deficiencies
Now, let's look at the vitamins mentioned in the question:
- Vitamin A: Deficiency leads to night blindness.
- Vitamin B2 (Riboflavin): Deficiency causes skin disorders.
- Vitamin B3 (Niacin): Deficiency leads to pellagra.
- Vitamin C: Deficiency causes scurvy.

**Hint:** Compare the effects of each vitamin deficiency to the symptoms of pellagra.

### Step 4: Identify the Correct Vitamin
From the information gathered, we can conclude that:
- Vitamin B3 (Niacin) deficiency is specifically linked to the development of pellagra, as it directly causes the symptoms associated with the disease.

**Hint:** Focus on the vitamin that matches the symptoms of pellagra.

### Step 5: Conclusion
Therefore, the deficiency of Vitamin B3 (Niacin) leads to pellagra.

**Final Answer:** The correct option is Vitamin B3.

### Summary of Steps:
1. Understand what pellagra is.
2. Identify the symptoms of pellagra (the four Ds).
3. Know the effects of deficiencies of the listed vitamins.
4. Identify that Vitamin B3 deficiency causes pellagra.
5. Conclude that Vitamin B3 is the answer.