What makes sucrose move in the phloem tissue after being pumped from leaves?

Transpiration pull

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Osmotic pressure

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Diffusion

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Photosynthesis rate

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Solution

The correct option is B
Osmotic pressure

Due to concentration of sugars like sucrose in phloem, it increases the osmotic pressure in the cells of phloem. This makes water to move into phloem cells through osmosis. In turn, it creates more pressure in cells filled with water and thus facilitates its movement through the tissue.

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