Photosynthesis
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- False
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In Fig. 17.15, the artist has forgotten to put the labels and directions on the arrows. Mark the directions on the arrows and label the diagram using the following labels:
clouds, rain, atmosphere, carbon dioxide, oxygen, plants, animals, soil, roots, water table.
Out of the following, pick the gases used by plants - nitrogen, oxygen, carbon dioxide, sulphur dioxide, nitric oxide.
Also mention the use. [2 MARKS]
During photosynthesis, oxygen is produced by
water, energy production
photolysis of water, trapping solar energy
photolysis of water, carbohydrate formation
carbohydrate formation, energy release
Statement 1: Plants help to purify air by taking in carbon dioxide.
Statement 2: Carbon dioxide is used in photosynthesis during daytime.
- Statement 1: True
Statement 2: False - Statement 1: True
Statement 2: True - Statement 1: False
Statement 2: True - Statement 1: False
Statement 2: False
- True
- False
- Carbon dioxide
- Hydrogen
- Carbohydrate
- Fat
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1744763/original_A1.png)
82. The component of air used by the green plants which make their food is:
____ are called the food factories of the plants.
Roots
Leaves
Fruits
Flowers
- Roots are the organs of transpiration
- Water is not neccessary for photosynthesis process
- Carbon dioxide is produced during photosynthesis
- Exchange of gases takes place through stomata
- True
- False
- Evaporation and sublimation
- Evaporation and respiration
- Respiration and transpiration
- Evaporation and transpiration