What do you understand by the term
Antibiotics

Important Questions on Microorganism Friend and Foe

MEDIUM

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Name any four medicinal uses of microorganisms.

MEDIUM

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

What are antibiotics? What precautions must be taken while taking antibiotics?

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

State an important function performed by blue-green algae.

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Write briefly as indicated in the brackets, on the penicillin (Source and Function). 

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Which one of the following combinations of microbes is responsible for the formation and flavour of yoghurt?

MEDIUM

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Name the nitrogen-fixing bacteria present in root nodules of leguminous plants.

HARD

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Describe some medicinal uses of microorganisms with examples.

HARD

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

State the beneficial effects (or usefulness) of microorganisms in our lives.

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

The following is an antibiotic

MEDIUM

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Name an antibiotic extracted from fungus (mould) and also name that fungus.

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Write briefly as indicated in the brackets of the penicillin (Source and Function).

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Earthworms live in the soil.  

MEDIUM

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

What are 'broad-spectrum antibiotics'?

MEDIUM

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Write two examples of antibiotics.

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Why are antibiotics not effective against ‘common cold’ and ‘flu’?

MEDIUM

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Earthworms are called 'Farmer's Friend'. Why?

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Where do Rhizobium bacteria live? What is their function?

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

What are antibiotics? What precautions must be taken while taking antibiotics?

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Name any two antibiotics.

EASY

Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Green plants: Producers:: Bacteria :