Which element is needed for the formation of thyroxine hormone?
Answer and explanation
Correct answer: Iodine
The governing concept is the mineral requirement for thyroid-hormone synthesis. Iodine is incorporated into thyroxine, which is produced by the thyroid gland and helps regulate metabolism. Therefore, option A is correct. If dietary iodine is insufficient, thyroxine production may be disturbed and the thyroid can enlarge, producing goitre. Iron, calcium, and sodium are important nutrients or ions but are not the specific element asked for.
Frequently asked questions
What is the correct answer to this question?
Iodine
Why is this the correct answer?
The governing concept is the mineral requirement for thyroid-hormone synthesis. Iodine is incorporated into thyroxine, which is produced by the thyroid gland and helps regulate metabolism. Therefore, option A is correct. If dietary iodine is insufficient, thyroxine production may be disturbed and the thyroid can enlarge, producing goitre. Iron, calcium, and sodium are important nutrients or ions but are not the specific element asked for.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Control and Coordination.
