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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
Why are some patients of diabetes treated by giving injections of insulin?
Name the hormones secreted by the given endocrine glands and specify one function.
Pancreas
Name one hormone secreted by the pituitary gland
Name the hormones secreted by testes.
Name the hormones secreted by given endocrine glands :
Pancreas
Name the hormones secreted by given endocrine glands:
Adrenal glands
How does chemical coordination take place in human beings?
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 |
In what ways are puberty and adolescence result of the activity of some glands in the human body?
Which hormone gives boys a deep voice?
How do hormones reach the organs they control?
Which of the following is a mis-matched pair?
Which of the following endocrine gland does not occur as a pair in the human body?
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 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.
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.
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?
Which hormone regulates the ionic balance in the body?
The hormone which increases fertility in males is called:
