WorksheetsAir Around Us
Total questions: 12
Worksheet time: 10mins
what is created by smoke
Carbon Dioxide
Oxygen
Nitrogen
Dust partclies
what do we exhale and inhale
Carbon dioxide and oxygen
Nitrogen and carbon dioxide
Dust particles and nitrogen
Oxygen and dust particles
Balance of Oxygen and carbon dioxide in atmosphere is maintained By :
Plants
Animals
Humans
All of These
Which of the following represents photosynthesis?
water + oxygen----> carbon dioxide + carbohydrate
carbon dioxide + water---->oxygen + carbohydrate
carbohydrate + oxygen---> water + oxygen
What are the properties of air?
Air occupies space.
Air is present everywhere around us.
Air has no colour and one can see through it.
It is transparent.
Oxygen liberated during photosynthesis comes from
water
chlorophyll
carbon dioxide
glucose
During photosynthesis, the oxygen in glucose comes from
CO 2
Water
Both
Oxygen Via Air
what upsets the oxygen Balance in the air
Green House Gases
Water
Carbon Dioxide
Nitrogen
The Balance Of CO2 And O2 In the Atmosphere is due to (a)
Draw a smoke creating CO2
Write any 3 keywords
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