Disease caused by deficiency of iodine is

Options

A. Tetany
B. Cretinism
C. Myxoedema
D. Goitre.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
The question asks for the disease caused by the deficiency of iodine. We need to analyze the provided options to determine which one is correct.

2. **Analyzing the Options:**
- **Option 1: Tetany** - This condition involves involuntary muscle contractions and is caused by calcium deficiency, not iodine.
- **Option 2: Cretinism** - This disease results from a lack of thyroid hormones, which can be due to iodine deficiency, but it is primarily characterized by impaired neurological development.
- **Option 3: Myxederma** - This condition involves swelling of the skin due to underactive thyroid glands, which can be related to iodine deficiency but is not directly caused by it.
- **Option 4: Goiter** - This is a condition characterized by the swelling of the thyroid gland, which is directly caused by iodine deficiency.

3. **Identifying the Correct Answer:**
After analyzing all the options, we find that **goiter** is the disease that is specifically caused by iodine deficiency. Therefore, the correct answer is **Option 4: Goiter**.

4. **Conclusion:**
The disease caused by deficiency of iodine is **Goiter**.

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