Multiple choice questions XXXVIII — task. Science CBSE, Class 9.

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1. Which of the following is not a symptom of tuberculosis?

An X-ray shows dark spots in the lungs
Increase in body weight and tiredness
More than two weeks of coughing bouts
Thick yellowish green sputum produced

2. Which substance is/are produced within an organism to prevent the spread of microorganism?

Antiseptics
Antibiotics
Antibodies
All of these

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