Junior Cert Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the study of microorganisms called | Microbiology
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| Name three types of microorganisms | Bacteria, Fungi and Viruses
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| Are viruses considered a living cell | No because they can only reproduce inside living cells
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| Describe the basic structure of a virus | Consist of a chemical surrounded by a protein coat
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| Name three diseases caused by a virus | Flu, measles, mumps
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| Do antibiotics work against viruses | No
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| Do all viruses cause disease | Yes
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| Are bacteria living cells | Yes because they can feed, move, respire and reproduce
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| Are bacteria larger than viruses | Yes
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| Do all bacteria cause disease | No, some are beneficial
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| Why are soil bacteria beneficial | They help break down the remains of dead animals and plants
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| Why are bacteria useful in sewage treatment | They help break down human wastes to make them less harmless
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| Name two dairy products that are made by adding bacteria | Cheese and youghurts
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| Name three disease caused by bacteria | Food poisoning, pneumonia and meningitis
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| What does bacteria do to milk | Causes it to go sour
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| Name three types of fungi | Yeast, mould and mushrooms
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| What are the benefits of fungi | Brewing, baking, source of food and making penicillin
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| What are the harmful effects of fungi | Disease, food spoilage and poisonous
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| Name two diseases caused by fungi | Athletes foot and ringworm
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| When bacteria break down the remains of dead plants and animals what is it changed to | Humus, which contains minerals
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| What is the term used to describe the use of microorganisms to make substances useful to humans | Biotechnology
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| Give two examples of uses of biotechnology in industry | Using bacteria to make cheese and yeast to make alcohol
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| Give two examples of uses of biotechnology in medicine | Using bacteria to make insulin and fungi to make penicillin
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| How would you show the presence of microorganisms in air | Open an agar plate for 20min and then incubate it upside down for 2days - bacteria will grow on surface
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| Why would you also incubate an unopened agar plate | To act as a control
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| How would show the presence of microorganisms in soil | Sprinkle fresh soil on an agar plate and incubate
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| What would you use to act as a control in soil experiment | Sprinkle sterile soil (strongly heated) on agar plate and incubate
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Created by:
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