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प्रश्न
The use of iodised salt is recommended to prevent :
(a) diabetes
(b) gonorrhoea
(c) dysentery
(d) goitre
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उत्तर
(d) goitre
It is advised to use iodised salt to prevent goitre. It is because the thyroid gland requires iodine to synthesise thyroxine hormone. Deficiency of iodine in the body can lead to the under-secretion of thyroxine hormone which, in turn, can lead to goitre.
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संबंधित प्रश्न
Name one hormone secreted by the pituitary gland
Which gland secretes the growth hormone?
Name the disease caused by the deficiency of thyroxine hormone in the body.
Which halogen element is necessary for the making of thyroxine hormone by the thyroid gland?
Name one gland which acts only as an exocrine gland.
If sugar is detected in the urine of a person, name the disease he is suffering from.
Write the functions of testosterone and oestrogen hormones.
Why is the use of iodised salt advisable?
State the functions of Thyroxine hormones.
Write the names of all the major endocrine glands present in the human body. Which of these glands also function as exocrine glands?
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 gland which controls the secretion of hormones from the pituitary.
One of the following is an incorrect statement about insulin. This is:
Which of the following hormone prepares our body for action in emergency situations?
(a) testosterone
(b) growth hormone
(c) adrenaline
(d) insulin
The hormone which is associated with male puberty is called :
(a) oestrogen
(b) adrenaline
(c) testosterone
(d) progesterone
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
The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is :
(a) thyroid
(b) pineal
(c) adrenal
(d) pituitary
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 hormone which increases fertility in males is called:
How does chemical coordination take place in animals?
