MEDIUM
Earn 100

Explain the useful and harmful effects of microorganisms.

Important Questions on Microorganism Friend and Foe

EASY
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
Define antibiotic.
EASY
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
Melatonin encodes proteins in cells to prevent _____ entry. 
HARD
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms

Choose the right word and fill in the blank provided below.

[Glucose/ Vaccines/ Pollutants]

_____ are special substances that help our body to fight against certain disease-causing germs.

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
What are antibiotics? What precautions must be taken while taking antibiotics?
MEDIUM
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
Name an antibiotic extracted from fungus (mould) and also name that fungus.
MEDIUM
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
How do micro-organisms help in cleaning the environment?
MEDIUM
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
What are 'broad-spectrum antibiotics'?
EASY
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
List three ways in which bacteria are useful to us.
EASY
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
Why are children given vaccination?
EASY
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
Describe how curd is made from milk. Name the bacterium which converts milk into curd.
MEDIUM
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
What is a vaccine? How does a vaccine work?
EASY
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
Name any two antibiotics.
EASY
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
How do micro-organisms help in increasing soil fertility?
EASY
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
What is vaccination? Who gave this idea?
EASY
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
What are vaccines? How do they help us get immunity against a disease?
MEDIUM
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
Name any four diseases which can be prevented by vaccination.
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
Define vaccines and vaccination.
MEDIUM
Science>Biology>Microorganism Friend and Foe>Friendly Microorganisms
Define a vaccine. How does it operate to prevent the occurrence of disease? Enlist vaccine being used against tuberculosis. Expand the term DPT.