Analyse the given situations and interpret the possible reason for each : i Iodine deficiency in diet increases the possibility of a disease of swollen neck in a person. ii Some people in population may have very short heights (dwarfs). iii Thick facial hairs develop in boys at the age of 10-12 years.
Explanation
Iodine deficiency in diet can lead to a condition known as goitre, which causes the thyroid gland to swell, resulting in a swollen neck. This is because iodine is essential for the production of thyroid hormones. Option A is the correct reason for the given situation.
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