MEDIUM
8th CBSE
IMPORTANT
Earn 100

Draw a diagram to show the nitrogen cycle and explain the process of nitrification and denitrification.

Important Questions on Microorganisms

MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 2 - Microorganisms>Exercises>Q E
How are microbes useful in cleaning the environment?
EASY
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 2 - Microorganisms>Exercises>Q E
How is yeast used in the food industry?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 2 - Microorganisms>Exercises>Q E
What does a vaccine consist of? How does a vaccine work?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 2 - Microorganisms>Exercises>Q E
What are communicable diseases? How do they spread?
HARD
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 2 - Microorganisms>Exercises>Q E
How does food go bad? In what ways can food be preserved?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 2 - Microorganisms>Higher-order Thinking Skills>Q 1
Why does milk spoil more easily in summer than in winter when it is left outside?
HARD
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 2 - Microorganisms>Higher-order Thinking Skills>Q 2
Why is the spread of communicable diseases more during the monsoon season?
MEDIUM
8th CBSE
IMPORTANT
New Science Ahead 8>Chapter 2 - Microorganisms>Higher-order Thinking Skills>Q 3
Why should you wash your hands before eating?