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प्रश्न
The gland A is attached to the wind pipe in the human body. The gland A makes and secretes a hormone B which controls the metabolism of carbohydrates, fats and proteins in the body. The non-metal element C is necessary for the formation of hormone B. The deficiency of C in the diet can cause a deficiency of hormone B in the body leading to a disease D in which the neck of a person appears to be swollen. People are advised to use salt E in cooking food so as to avoid disease D.
(a) Name (i) gland A, and (ii) hormone B.
(b) What is the element C?
(c) Name one type of food which can provide sufficient C in the diet of a person.
(d) Name (i) disease D, and (ii) salt E.
उत्तर
- (i) A represents the thyroid gland. It is attached to the wind pipe in the human body.
- (ii) B represents thyroxine. It regulates the metabolism of carbohydrates, fats and proteins in the body.
- The non-metal element C is iodine. It is essential for the synthesis of thyroxine hormone by the thyroid gland.
- Sea foods like fish provide sufficient amount of iodine in the diet of a person.
- (i) D represents the disease called goitre. It is characterised by abnormal enlargement of the thyroid gland in the neck.
(ii) E represents iodised salt. It is advised to use iodine in cooking food in order to prevent goitre.
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संबंधित प्रश्न
Name one hormone secreted by the pituitary gland
Name one gland which acts only as an exocrine gland.
What part does the diet play in helping us to have a healthy thyroid gland?
Write the names of all the major endocrine glands present in the human body. Which of these glands also function as exocrine glands?
Name the gland which controls the secretion of hormones from the pituitary.
Which of the following is a mis-matched pair?
The underactive endocrine gland which causes goitre is :
(a) pancreas
(b) thyroid
(c) adrenal
(d) pituitary
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?
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.
Name the hormone secreted in scary situations by animals. Write any three responses which enable the animal body to deal with it.
