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Question 14
Choose the wrong statement


(a) High blood pressure is caused by excessive weight and lack of exercise.
(b) Cancers can be caused by genetic abnormalities
(c) Peptic ulcers are caused by eating acidic food
(d) Acne is caused by staphylococci


Solution

(c) Peptic ulcers are caused by eating acidic food

Helicobacter pylori are responsible for peptic ulcers.
It was believed that stressful life led to a lot of acid secretion in the stomach, and eventually caused peptic ulcers.


Biology
NCERT Exemplar
Standard IX

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