EASY
8th CBSE
IMPORTANT
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How do micro-organisms help in increasing soil fertility?

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 47
How do micro-organisms help in cleaning the environment?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 48
What are antibiotics? What precautions must be taken while taking antibiotics?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 49
Why are antibiotics not effective against ‘common cold’ and ‘flu’?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 50
What is the full form of HIV? Name the disease caused by HIV.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 51
Describe how curd is made from milk. Name the bacterium which converts milk into curd.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 52
Name the micro-organism used in bread-making which makes the bread-dough rise. How does it make the dough rise?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 53
What is food poisoning? How is food poisoning caused?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 2 - Micro-Organisms: Friend and Foe>Short Answer Type Questions>Q 54
What is meant by food preservation? Name any five methods of preserving food.