Class 6 Science MCQs - Chapter 11
Micro Organisms Quiz Questions and Answers PDF - 7
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The Quiz: Teeth are eroded by conversion of sugar food into acid by; "Micro Organisms" App Download iOS & Android (Free) with answers virus, bacteria, and fungus for online certificate programs. Study microorganisms and viruses quiz questions, download Amazon eBook (Free Sample) for taking online classes.
Micro Organisms Questions & Answers PDF Download: MCQ Quiz 7
MCQ 31: Teeth are eroded by conversion of sugar food into acid by
- bacteria
- virus
- both a and b
- fungus
MCQ 32: Cholera, whooping cough, tuberculosis, typhoid fever are caused by
- virus
- bacteria
- contaminated water
- fungus
MCQ 33: By invading in other living organisms the cells of microorganism multiply rapidly to reproduce like
- virus
- bacteria
- fungi
- algae
MCQ 34: Pasteurization helps us to kill
- micro-organisms
- fungi
- virus
- bacteria
MCQ 35: The bubbles are trapped in dough of bread is of
- oxygen
- water vapors
- hydrogen
- carbon dioxide
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Micro Organisms MCQ Book Questions
- In SI system the unit of area is
- Friction acts in opposite direction and it can affect an object to
- Fertilizers which come from living things like animal dung, compost, fish and bone meals are
- A relationship that benefits both organisms is known as
- Function of roots includes
- Sublimation is a technique that helps chemists to