What does hypothyroidism induce in adults?

Deficiency of thyroxine in adults leads to a condition characterized by:
$(i)$. Low metabolic rate
$(ii)$. Increase in body weight
$(iii)$. Tendency to retain water in tissues
This condition is known as:

Which one of the following is $NOT$ $CORRECTLY$ matched?

The injection of which of the following increases the metabolic rate?

Name the disease in which a child shows symptoms like low $BMR$,thick tongue,prolonged neonatal jaundice,lethargy and constipation.

Which of the following is $NOT$ a symptom of hypothyroidism in a growing child?