NCERT Biology Class 11, Chapter 19

Endocrine system and hormones NEET-UG Biology MCQ

Long-term iodine deficiency in food can lead to

Acretinism

Bacromegaly

Cgoiter

Drickets

Correct answer: C. goiter

Long-term iodine deficiency leads to insufficient synthesis of thyroid hormones, which results in feedback stimulation of the adenohypophysis to secrete more TSH, leading to thyroid hyperplasia and enlargement.

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More Endocrine system and hormones MCQs

Which hormone is not regulated by the adenohypophysis?Which of the following is not related to ACTH secretion regulation?Which of the following is the location where melatonin is synthesized and secreted?Which of the following hormones can pass through the cell membrane and bind to nuclear receptors to exert its effect?Which hormone is crucial for brain development in fetuses and newborns?