Question:

Correct equation of water potential of a cell:

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Remember, water potential and its components are crucial in understanding how water moves in plants through osmosis.

Updated On: Mar 18, 2025

\( \Psi_w = \Psi_p + \Psi_{mp} \)
\( \Psi_w = \Psi_s - \Psi_p \)
\( \Psi_w = \Psi_s + \Psi_p \)
\( \Psi_w = \Psi_s + \Psi_{mp} \)

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The Correct Option is C

Solution and Explanation

Water potential (\( \Psi_w \)) is calculated as the sum of solute potential (\( \Psi_s \)) and pressure potential (\( \Psi_p \)), which reflects the formula: \[ \Psi_w = \Psi_s + \Psi_p. \] This is confirmed as the correct equation because it integrates both the solute concentration and the physical pressure within the cell.

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