EASY
8th CBSE
IMPORTANT
Earn 100

Name the microorganism which is used for the large scale production of alcohol. (yeasts/ bacteria)

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Important Questions on Micro-Organisms: Friend and Foe

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Very Short Answer Type Questions>Q 10
Name any two antibiotics.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Very Short Answer Type Questions>Q 11
Name an antibiotic extracted from fungus (mould) and also name that fungus.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Very Short Answer Type Questions>Q 12
Name any four diseases which can be prevented by vaccination.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Very Short Answer Type Questions>Q 13
Name the scientist who discovered the vaccine for smallpox.(Edward Jenner/Louis Pasteur)
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Very Short Answer Type Questions>Q 14
Name the scientist who discovered ‘penicillin’. (Louis Pasteur/Alexander Fleming)
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Very Short Answer Type Questions>Q 15
State an important function performed by blue-green algae.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Very Short Answer Type Questions>Q 16
One ‘biological nitrogen-fixer’ is blue-green algae or red-green algae?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Very Short Answer Type Questions>Q 17
Name two common insects which act as carriers of disease-causing microorganisms (or disease-causing microbes).