EASY
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Streptomycin and tetracycline are obtained from protozoa or bacteria?

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Important Questions on Drugs

MEDIUM
Name any four medicinal uses of microorganisms.
MEDIUM
What are antibiotics? What precautions must be taken while taking antibiotics?
EASY
State an important function performed by blue-green algae.
EASY
Write briefly as indicated in the brackets, on the penicillin (Source and Function). 
EASY
Which one of the following combinations of microbes is responsible for the formation and flavour of yoghurt?
MEDIUM
Name the nitrogen-fixing bacteria present in root nodules of leguminous plants.
HARD
Describe some medicinal uses of microorganisms with examples.
HARD
State the beneficial effects (or usefulness) of microorganisms in our lives.
EASY
The following is an antibiotic
EASY
Name any two antibiotics.
EASY
Write briefly as indicated in the brackets of the penicillin (Source and Function).
EASY
Earthworms live in the soil.  
MEDIUM
What are 'broad-spectrum antibiotics'?
MEDIUM
Write two examples of antibiotics.
EASY
What are antibiotics? What precautions must be taken while taking antibiotics?
MEDIUM
Earthworms are called 'Farmer's Friend'. Why?
EASY
Where do Rhizobium bacteria live? What is their function?
EASY
Why are antibiotics not effective against ‘common cold’ and ‘flu’?
MEDIUM
Name an antibiotic extracted from fungus (mould) and also name that fungus.
EASY
Green plants: Producers:: Bacteria :