Which of the following is helpful in the asce | vedclass

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(D) The ascent of sap is the upward movement of water and minerals from the roots to the aerial parts of the plant. $1$. Root pressure provides a posi

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All of the above

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(D) The ascent of sap is the upward movement of water and minerals from the roots to the aerial parts of the plant. $1$. Root pressure provides a positive pressure that helps in pushing water upwards to small heights. $2$. Transpiration creates a negative pressure (transpiration pull) which is the primary force for the ascent of sap in tall plants. $3$. Capillarity (capillary action) due to the narrow diameter of xylem vessels also contributes to the upward movement of water. Therefore,all these factors contribute to the ascent of sap.

Which of the following is helpful in the ascent of sap?

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