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प्रश्न
Dwarfism results due to:
विकल्प
excessive secretion of thyroxine hormone
excessive secretion of growth hormone
less secretion of adrenaline hormone
less secretion of growth hormone
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उत्तर
less secretion of growth hormone
Explanation:
Dwarfism is characterized by retarded physical growth and a normal brain. It is caused due to the hypo-secretion of growth hormone.
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संबंधित प्रश्न
Name the hormones secreted by the given endocrine glands and specify one function.
Pituitary
Name the disease caused by the deficiency of thyroxine hormone in the body.
Name one gland which acts only as an exocrine gland.
Which one term of the following includes the other three?
thyroid, ductless gland, thymus, pituitary, ovary
Which one term of the following includes the other three?
adrenalin, insulin, hormone, thyroxine, estrogen
What substances are made by endocrine glands?
Name the hormones secreted by given endocrine glands :
Pancreas
Name the hormones secreted by given endocrine glands:
Adrenal glands
Why is the use of iodised salt advisable?
Match the hormones given in column I with their functions given in column II :
| Hormones | Functions |
| (i) Thyroxine | (a) Causes breasts to develop in females |
| (ii) Adrenaline | (b) Causes the male to start producing sperms |
| (iii) Insulin | (c) Prepares the body for an emergency |
| (iv) Estrogen | (d) Controls the metabolic rate |
| (v) Testosterone | (e) Regulates the amount of sugar in blood |
Name the disease which occurs in adults due to the deficiency of iodine in the diet. What is the main symptom of this disease?
Which of the following are often called glands of emergency?
(a) thyroid
(b) pituitary
(c) adrenal
(d) pancreas
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.
A gland W is located just below the stomach in the human body. The gland W secretes a hormone X. The deficiency of hormone X in the body causes a disease Y in which the blood sugar level of a person rises too much. The person having high blood sugar is called Z.
(a) Name (i) gland W, and (ii) hormone X.
(b) What is the function of hormone X?
(c) Name (i) disease Y, and (ii) person Z.
(d) What advice would you like to give to a person who is suffering from disease Y due to faulty life-style?
There are two similar glands P which are located on top of two similar organs Q in the human body. P are often called the emergency glands and they secrete a hormone R into the blood stream. R is secreted in large amounts when a person is frightened. It brings about temporary changes in the body which allow a lot of substance S from the liver to go into the blood to provide a lot of energy in a very short time. This helps a person to fight back or run away from the frightening situation.
What are P, Q, R and S?
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.
A doctor has advised Sameer to reduce sugar intake in his diet and do regular exercise after checking his blood test reports. Which disease do you think Sameer is suffering from? Name the hormone responsible for this disease and the organ producing the hormone.
