Micro Organisms Multiple Choice Questions and Answers 7 PDF Download
Learn micro organisms multiple choice questions, grade 6 science online test 7 for elementary school degree online courses, distance learning for exam prep. Practice microorganisms and viruses multiple choice questions (MCQs), micro organisms quiz questions and answers for science class for science help for competitive exams.
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MCQs on Micro Organisms Worksheets 7 Quiz PDF Download
MCQ: Teeth are eroded by conversion of sugar food into acid by
- both a and b
MCQ: Cholera, whooping cough, tuberculosis, typhoid fever are caused by
- contaminated water
MCQ: By invading in other living organisms cells of microorganism multiply rapidly to reproduce like
MCQ: Pasteurization helps us to kill
MCQ: Bubbles are trapped in dough of bread is of
- water vapors
- carbon dioxide