question_answer 69)

  Answer the following (a) Which hormone is responsible for the changes noticed in females at puberty? (b) Dwarfism results due to deficiency of which hormone? (c) Blood sugar level rises due to deficiency of which hormone? (d) Iodine is necessary for the synthesis of which hormone?

Answer:

                    (a) Oestrogen At the onset of puberty in females, the ovaries begin to secrete this hormone. It produces secondary sexual characters in females and prepares the body for pregnancy. (b) Growth Hormone It is secreted by the anterior lobe of pituitary, it promotes growth and development of body. (c) Insulin It is secreted by pancreas. It controls the rate of oxidation of glucose, help sliver and muscle (cells to absorb glucose from the blood). (d) Thyroxin it is secreted by the thyroid gland. It regulates the carbohydrate, protein and fat metabolism in the body.