MEDIUM
6th CBSE
IMPORTANT
Earn 100

Show the percentage of composition of air on a bar graph.

Important Questions on Air and Its Importance

MEDIUM
6th CBSE
IMPORTANT
Farmers generally use fertilisers to improve crop production. How do fertilisers increase crop production?
MEDIUM
6th CBSE
IMPORTANT
How is breathing different from respiration?
MEDIUM
6th CBSE
IMPORTANT
A teacher has asked the students to grow moong beans. Students soaked the moong beans in water. They drained water from beans. Rahul kept the soaked beans in an air-tight container and other students kept them in a sieved basket. The beans did not grow in the air-tight container. What is the reason? 
MEDIUM
6th CBSE
IMPORTANT
How do plants take nitrogen from the nature?
MEDIUM
6th CBSE
IMPORTANT

Give a reason for the following: Chips packets are filled with nitrogen gas. 

MEDIUM
6th CBSE
IMPORTANT

Give reason for the following: Mountaineers carry oxygen cylinders. 

MEDIUM
6th CBSE
IMPORTANT

Give reason for the following: Generally, the crop production decreases near factories.

MEDIUM
6th CBSE
IMPORTANT

Give reason for the following: The earth's temperature is increasing day-by-day.