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प्रश्न
Why do you need iodine in your diet?
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उत्तर
Iodine is needed in our diet because it helps the thyroid gland in making thyroxine hormone.
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संबंधित प्रश्न
Name one hormone secreted by the pituitary gland
Name the disease caused by the deficiency of thyroxine hormone in the body.
Which one term of the following includes the other three?
thyroid, ductless gland, thymus, pituitary, ovary
Fill in the following blanks with suitable words :
The two examples of effectors are .........and ...........
Why is the use of iodised salt advisable?
What is the function of insulin hormone? What type of patients are given insulin injections?
State the functions of Thyroxine hormones.
Which hormone controls the amount of glucose in blood?
One of the following acts as an endocrine gland as well as an exocrine gland. This one is :
(a) salivary gland
(b) pancreas
(c) pituitary
(d) parathyroid
odine is necessary for the synthesis of which of the following hormone?
(a) adrenaline
(b) auxin
(c) thyroxine
(d) insulin
One of the following statements is not true about thyroxine. This is :
(a) Thyroid gland requires iron to synthesise thyroxine
(b) It regulates carbohydrate, protein and fat metabolism
(c) Iodine is essential for the synthesis of thyroxine
(d) Thyroid gland can enlarge due to lack of thyroxine
Dwarfism results due to:
The underactive endocrine gland which causes goitre is :
(a) pancreas
(b) thyroid
(c) adrenal
(d) pituitary
The gland X which is located just below the brain in the human head secretes a chemical substance Y which controls the development of ones and muscles in the body of a person. Secretion of too little of substance Y as well as the secretion of too much of substance Y by the gland X leads to abnormal development of the body of a person.
(a) Name the gland X.
(b) What is the chemical substance Y?
(c) What happens if too little of substance Y is secreted?
(d) What happens if too much of substance Y is secreted?
(e) Name the system of glands in the human body of which gland X is a part.
A and B are two pairs of glands that are present in the human endocrine system. The pair A is found only in females, whereas B is present only in males. Glands A make and secrete two hormones C and D, whereas glands B make and secrete only one hormone E. In addition to hormones, Glands A make gametes F, whereas glands B make gametes G.
(a) What are the glands A?
(b) What are the hormones C and D?
(c) What are the glands B? Name the hormone E.
(d) What are the gametes F and G?
(e) Which event in the life of males and females is associated with the secretion of the hormones C, D and E?
Which hormone regulates the ionic balance in the body?
The hormone which increases fertility in males is called:
A doctor advised a person to take an injection of insulin because:
Name the gland and the hormone secreted by it in scary situations in human beings. List any two responses shown by our body when this hormone is secreted into the blood.
