Question

how does xylem works in case of cactus as there is no upward pull how is water transfered​

Answer 1

Explanation:

Transpiration is the loss of water from the plant through evaporation at the leaf surface. It is the main driver of water movement in the xylem. ... Evaporation from the mesophyll cells produces a negative water potential gradient that causes water to move upwards from the roots through the xylem.

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Answer 2

HERE IS YOUR ANSWER

by transpiration "pulls" water in the plant xylem, drawing the water upward in The tension cre much the same way that you draw water upward when you suck on a straw. Cohesion (water sticking to each other) causes more water molecules to fill the gap in the xylem as the top- most water is pulled toward the stomata.

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