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ScienceClass 9CBSE
Q

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 Acne in not caused by staphylococci

A
  • Soln:

Answer is (c) Peptic ulcers are caused by eating acidic food

Explanation:

Answer c is wrong because peptic ulcers are caused by a bacterium call as Helicobacter pylori

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