Question 7 Which hormone deficiency is responsible for the following?
(a) Diabetes mellitus
(b) Goitre
(c) Cretinism
Class - XI - Biology Chapter Chemical Coordination and Integration Page No. 342
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(a) Diabetes mellitus → Insulin
(b) Goitre → Thyroxin hormone
(c) Cretinism → Thyroxin hormone
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The hormone deficiency which is responsible for following disease:
A) diabetes mellitus : insulin hormone.
a decrease in the level of insulin decreases the glucose absorbtion as the function of insulin is to stimulate the permeability and consumption of glucose . Also insulin is antagonist to glucagon. Decrease in level of insulin causes an increase in level of glucagon and hence glucose level in blood.
B) goitre : thyroxin hormone.
The hormone thyroxin is a derivative of iodine. When there if a deficiency of iodine in food then thyroid try to absorb more and more iodine from blood and increases in size causing simple goitre.
C) cretinism : thyroxin hormone.
Hypothyroidism during pregnancy causes defective development and maturation of the growing baby leading to stunted growth, mental retardation, low IQ, deaf-mutism etc
A) diabetes mellitus : insulin hormone.
a decrease in the level of insulin decreases the glucose absorbtion as the function of insulin is to stimulate the permeability and consumption of glucose . Also insulin is antagonist to glucagon. Decrease in level of insulin causes an increase in level of glucagon and hence glucose level in blood.
B) goitre : thyroxin hormone.
The hormone thyroxin is a derivative of iodine. When there if a deficiency of iodine in food then thyroid try to absorb more and more iodine from blood and increases in size causing simple goitre.
C) cretinism : thyroxin hormone.
Hypothyroidism during pregnancy causes defective development and maturation of the growing baby leading to stunted growth, mental retardation, low IQ, deaf-mutism etc
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