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प्रश्न
Dwarfism results due to:
पर्याय
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.
Thyroid
What is the name of the system of glands which produces hormones?
Name the disease caused by the deficiency of insulin hormone in the body.
Which halogen element is necessary for the making of thyroxine hormone by the thyroid gland?
Name the hormones secreted by given endocrine glands :
Pancreas
How does chemical coordination take place in human beings?
Why is the use of iodised salt advisable?
What is the function of insulin hormone? What type of patients are given insulin injections?
Which hormone gives girls soft skin?
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 is a mis-matched pair?
Which of the following hormone prepares our body for action in emergency situations?
(a) testosterone
(b) growth hormone
(c) adrenaline
(d) insulin
Which of the following does not act as an endocrine gland as well as an exocrine gland?
(a) testis
(b) ovary
(c) pituitary
(d) pancreas
The use of iodised salt is recommended to prevent :
(a) diabetes
(b) gonorrhoea
(c) dysentery
(d) goitre
Which of the following are often called glands of emergency?
(a) thyroid
(b) pituitary
(c) adrenal
(d) pancreas
A and B are the two systems of control and coordination in the human body. The messages in system A are transmitted in the form of chemical substances C which travel comparatively slowly through the blood stream. The substances C are made in tissues D present in the head and trunk of human body. The messages in system b are transmitted very quickly in the form of electrical impulses through fibres E. The effect of messages transmitted by system b usually lasts for a much shorter time as compared to those transmitted by system A.
(a) Name the system A. What does system A consist of?
(b) Name the chemical substance C.
(c) What is tissue D? Name any five such tissues in the human body.
(d) Name the system B. What does system B consist of?
(e) Name the fibres E.
(f) State whether system A controls the working of system B or system B controls the working of system A.
The pancreas is made up of two parts A and B. The part A secretes insulin whereas part B secretes pancreatic juice.
(a) Which part is functioning as an endocrine gland? Why?
(b) What is insulin and what effect does it have in the body?
(c) Name the disease which can be treated by giving insulin injection.
(d) What does pancreatic juice contain? Where does pancreatic juice go?
(e) Name the life process in which pancreatic juice is made use of.
A piece of thread was tied tightly around an animal's pancreatic duct. The animal subsequently had difficulty in digesting food but did not get diabetes. Explain.
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?
A doctor advised a person to take an injection of insulin because:
