Advertisements
Advertisements
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
Advertisements
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.
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 only as an exocrine gland.
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 :
Parathyroid glands
Name the hormones secreted by given endocrine glands :
Pancreas
Write the functions of testosterone and oestrogen hormones.
What is the function of insulin hormone? What type of patients are given insulin injections?
State the functions of Thyroxine hormones.
Which hormone gives boys a deep voice?
odine is necessary for the synthesis of which of the following hormone?
(a) adrenaline
(b) auxin
(c) thyroxine
(d) insulin
A doctor advised a person to take injection of insulin because :
(a) his blood pressure was high
(b) his heart beat was high
(c) his blood sugar was high
(d) his thyroxine level in blood was high
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.
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.
Which is the target organ of both adrenaline and insulin?
(a) heart
(b) kidney
(c) liver
(d) pancreas
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?
Write any three responses which enable the animal body to deal with a scary situation.
