Advertisements
Advertisements
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.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Name the hormones secreted by the given endocrine glands and specify one function.
Pancreas
Name the disease caused by the deficiency of insulin hormone in the body.
Name the disease caused by the deficiency of thyroxine hormone in the body.
Name one gland which acts both as an endocrine gland as well as an exocrine gland.
Which one term of the following includes the other three?
adrenalin, insulin, hormone, thyroxine, estrogen
Why do you need iodine in your diet?
Fill in the following blanks with suitable words :
The two examples of effectors are .........and ...........
Name the hormones secreted by given endocrine glands :
Pancreas
What is the function of insulin hormone? What type of patients are given insulin injections?
How do hormones reach the organs they control?
Which of the following is a mis-matched pair?
One of the following is an incorrect statement about insulin. This is:
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.
Which is the target organ of both adrenaline and insulin?
(a) heart
(b) kidney
(c) liver
(d) pancreas
A squirrel is in a scary situation. Its body has to prepare for either fighting or running away. State the immediate changes that take place in its body so that the squirrel is able to either fight or run?
Which hormone regulates the ionic balance in the body?
A doctor advised a person to take an injection of insulin because:
Name the hormone secreted in scary situations by animals. Write any three responses which enable the animal body to deal with it.
We are advised to take iodised salt in our diet by doctors. Justify its importance in our bodies.
