Biology
Grade-7
Easy
Question
How do most plants get carbon from the environment?
- From carbon fertilizers
- Through the smoke
- As gaseous carbon dioxide
- All of the above
Hint:
The gas that we exhale during respiration.
The correct answer is: As gaseous carbon dioxide
- Carbon is obtained by plants through atmospheric carbon dioxide
- Carbon dioxide is used by plants for photosynthesis
- During photosynthesis, the plants convert carbon dioxide and water in the presence of sunlight to produce food
- Carbon dioxide enters plants through the pores called stomata in the leaves
- The stomata remain closed when sufficient amounts of carbon dioxide are taken up by plants
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