EASY
8th CBSE
IMPORTANT
Earn 100

Can micro-organisms be seen with the naked eye? If not, how can they be seen?

Important Questions on Micro-Organisms: Friend and Foe

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 44
How do houseflies carry disease-causing microbes (or pathogens)?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 44
State any two ways of preventing diseases spread by houseflies.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 45
How do mosquitoes carry disease-causing microorganisms and spread diseases?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 45
Mention any three ways of preventing diseases spread by mosquitoes.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 46
What is meant by fermentation? Name the scientist who discovered fermentation.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 46
Which microorganism converts sugar into alcohol during fermentation?(Yeast/ protozoa)
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 47
How do micro-organisms help in increasing soil fertility?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 47
How do micro-organisms help in cleaning the environment?