MEDIUM
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Write any two harmful effects of microorganisms?

Important Questions on Microorganism Friend and Foe

EASY
Melatonin encodes proteins in cells to prevent _____ entry. 
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What is meant by communicable diseases? Name any two communicable diseases.
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Why should we not let water collect anywhere in the neighbourhood?
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Name any five human diseases caused by micro-organisms. Also name the causative micro-organisms and mode of transmission for each of these diseases.
MEDIUM
Explain any two communicable diseases in relation to their symptoms and preventive measures.
HARD
State the various ways of preventing the occurrence and spreading of communicable diseases.
HARD
How do communicable diseases spread through direct contact and through insects?
EASY
What is the difference between infectious and non-infectious diseases?
MEDIUM
Mention any three ways of preventing diseases spread by mosquitoes.
EASY
What is food poisoning? How is food poisoning caused?
MEDIUM
State any two ways of preventing diseases spread by houseflies.
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List the names of any four communicable diseases and name the germs that cause them.
 
MEDIUM
What are the various ways in which communicable diseases can occur and spread?
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A disease that spreads through infected food and water:
MEDIUM
How do mosquitoes carry disease-causing microorganisms and spread diseases?
EASY
What is the mode of transmission of the following disease?
Rust of wheat
MEDIUM
Priya ate at a roadside stall. Later in the night, she woke up with severe tummy ache. Should she have eaten food from a roadside stall? Why not?
MEDIUM
How do communicable diseases spread through air, water, and food?
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Differentiate between non-communicable and communicable diseases.