Biology, asked by keerthanadileep02, 1 year ago

describe the process of transportation of food in plants

Answers

Answered by gamazing482

Plants have two different types of 'transport' tissue. Xylem transports water and solutes from the roots to the leaves, phloem transports food from the leaves to the rest of the plant. Transpiration is the process by which water evaporates from the leaves, which results in more water being drawn up from the roots.

Xylem

Xylem cells have extra reinforcement in their cell walls, and this helps to support the weight of the plant. For this reason, the transport systems are arranged differently in root and stem – in the root it has to resist forces that could pull the plant out of the ground. In the stem it has to resist compression and bending forces caused by the weight of the plant and the wind.

phoelem

At their "source" — the leaves — sugars are pumped by active transport into the companion cells and sieve elements of the phloem. As sugars (and other products of photosynthesis) accumulate in the phloem, water enters by osmosis. In the figure, sugar molecules are represented in black, water molecules in red.)

keerthanadileep02: more detailed please

keerthanadileep02: it's a 3 mark question

gamazing482: hmm

keerthanadileep02: plss

gamazing482: Plants have two different types of 'transport' tissue. Xylem transports water and solutes from the roots to the leaves, phloem transports food from the leaves to the rest of the plant. Transpiration is the process by which water evaporates from the leaves, which results in more water being drawn up from the roots.

gamazing482: Xylem
Xylem cells have extra reinforcement in their cell walls, and this helps to support the weight of the plant. For this reason, the transport systems are arranged differently in root and stem – in the root it has to resist forces that could pull the plant out of the ground. In the stem it has to resist compression and bending forces caused by the weight of the plant and the wind.

gamazing482: At their "source" — the leaves — sugars are pumped by active transport into the companion cells and sieve elements of the phloem. As sugars (and other products of photosynthesis) accumulate in the phloem, water enters by osmosis. In the figure, sugar molecules are represented in black, water molecules in red.)

gamazing482: for phoelem

keerthanadileep02: (*^o^*)(*^o^*)

keerthanadileep02: thnx

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