**Core Concept**
Iodized salt is used in the iodine deficiency control programme to prevent **iodine deficiency disorders**. Iodine is essential for the production of **thyroid hormones**, which play a crucial role in growth and development.

**Why the Correct Answer is Right**
The correct answer is related to the amount of iodine in salt, which is typically around 15-40 ppm (parts per million) in many countries. This amount is sufficient to prevent iodine deficiency disorders.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify the correct amount of iodine in salt.
**Option B:** This option is also incorrect as it does not provide the correct information about iodized salt.
**Option D:** Similarly, this option is incorrect as it lacks the correct details about iodine content in salt.

**Clinical Pearl / High-Yield Fact**
Iodized salt is a simple and effective way to prevent **iodine deficiency disorders**, including **goiter** and **cretinism**.

**Correct Answer:** Correct Answer: B. Fortified with iodine to prevent iodine deficiency disorders