| Question 21.21. Roots absorb carbon dioxide and leaves absorb oxygen which is used in photosynthesis. | True
False |
| Question 22.22. Bacteria should never be allowed to come in contact with agricultural crops. Farmers must treat crops with antibiotics to kill it all. | True
False |
| Question 23.23. Cohesion (water molecules stick to each other) and adhesion (water molecules stick to something else) aid plants in the process of transpiration. | True
False |
| Question 24.24. There are no guidelines for organic farmers in the United States. They can use any products or fertilizers on planted crops. | True
False |
| Question 25.25. Compared to more conventional agriculture, organic farming uses fewer synthetic chemicals. | True
False |
| Question 21.21. Roots absorb carbon dioxide and leaves absorb oxygen which is used in photosynthesis. | True
False |
Q21. False
Plants absorb carbon dioxide from the air, through the stomata present in their leaves.
Q22. False
As the crops are sowed they eventually contact soil bacteria which help plant growth by nitrogrn fixation. Antibiotics will have adverse effects.
Q23. True
transpiration pull-The cohesion of water explains the upward movement of the water in xylem
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