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Write diseases caused by microorganisms. How can we prevent them?
Important Questions on General Introduction and Classification of Microorganisms
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Melatonin encodes proteins in cells to prevent _____ entry.
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Fill in the blank with an appropriate word:
_____(Germs/Foods/Water/Air) can get inside our body with dirt and cause diseases.
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Disease-causing microorganisms are called _____ (decomposers/pathogens).
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_____ disease is caused by fungi.
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What are pathogens? Explain with the help of two examples.
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Rajat was feeling unwell and the doctor did some tests to know what Rajat was suffering from and also gave him some antibiotics. Put a tick on the disease(s) which can be treated with antibiotics.
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Disease causing microbes are called _____.
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Write a short paragraph on the harmful effects of microorganisms.
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How do pathogens cause diseases in human beings?
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Name any two diseases caused by microorganisms.
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The smallest micro-organism is virus.
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Bacteria are known to increase the fertility of soil through different processes that help the plants to absorb nitrogen. Given below are few statements regarding the processes.
Choose the incorrect ones.
A. Denitrifying bacteria are capable of transforming nitrates to nitrogen.
B. Rhizobium and Azotobacter are ammonifying bacteria.
C. Nitrification converts ammonium compounds into nitrites and nitrates.
D. Nitrobacter is a nitrogen-fixing bacteria.
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Why do we heat a needle on flame before using it to take out a spine (thorn) from our body?
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All micro-organisms are friend of human beings.
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Amoebic dysentery is caused by
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Reshma was considered ill-mannered by her friends when she sneezed without covering her mouth with a handkerchief. Why?
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The causes of diseases are
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Write any two harmful effects of microorganisms?
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Which fungus is found on the bread slice.
