Choose whether the given statement is true/false.
The transport of food in plants is bi-directional.

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Detailed Solution

The given statement is true.
The transport of food in plants is bi-directional due to the operation of the phloem, which is responsible for the transportation of organic compounds such as sugars and amino acids. The phloem tissue is made up of cells called sieve elements that are arranged end-to-end, forming tubes that run throughout the plant body. The movement of food in the phloem can occur in both upward and downward directions, allowing the plant to transport organic compounds from the photosynthetic source organs to other parts of the plant, as well as distribute nutrients from the roots to other parts of the plant. This process is facilitated by the pressure-flow mechanism, which involves the active transport of sugars and the movement of water into the phloem by osmosis, creating a pressure gradient that drives the flow of sap in both upward and downward directions.

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