Q21 of 44 Page 32

Say whether each of the following diseases is a metabolic disorder, a genetic disorder or a nutritional deficiency disease.

i) thalassemia


ii) beriberi


iii) diabetes mellitus


iv) bubble boy syndrome


v) scurvy


vi) marasmus


vii) obesity


viii) Alzheimer’s disease


ix) nyctalopia


x) haemophilia


i) Thalassemia is a genetic disorder caused due to defective gene.


ii) Beri-beri is vitamin deficiency disease caused due to deficiency of vitamin B1.


iii) Diabetes mellitus is a metabolic disorder caused due to high glucose in blood due to insulin imbalance.


iv) Bubble boy syndrome is a genetic disorder caused due to defective gene.


v) Scurvy is a vitamin deficiency disease caused due to deficiency of vitamin C.


vi) Marasmus is a nutritional deficiency disease caused due to deficiency of protein in the food.


vii) Obesity is a metabolic disorder caused due to intake high glucose contains food.


viii) Alzheimer’s disease is a metabolic disorder caused due to death of brain cells.


ix) Nyctalopia is a vitamin deficiency disease caused due to deficiency of vitamin A.


x) Haemophilia is a genetic disorder caused due to defective gene.


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