Provide definitions/explanations for the following terms:
$(1)$ Water potential
$(2)$ Translocation of substances
$(1)$ Water potential
$(2)$ Translocation of substances
(N/A) $(1)$ Water potential is the potential energy of water per unit volume relative to pure water in reference conditions. It is a measure of the tendency of water to move from one area to another due to osmosis,gravity,mechanical pressure,or matrix effects.
$(2)$ Translocation of substances refers to the long-distance transport of organic nutrients (like sucrose) and minerals through the vascular system (xylem and phloem) of plants.
$(2)$ Translocation of substances refers to the long-distance transport of organic nutrients (like sucrose) and minerals through the vascular system (xylem and phloem) of plants.
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Similar Questions
When the water potential of leaf cells decreases, water from the leaf veins moves into which of the following?
Medium
View SolutionWater potential is same as . . . . . . .
How many of the following statements are correct?
$I -$ Water molecules possess kinetic energy.
$II -$ In liquid and gaseous forms,water molecules are in random motion.
$III -$ In liquid and gaseous forms,the motion of water molecules is slow and constant.
$IV -$ If a system has a higher quantity of water,its water potential is higher.
$V -$ Pure water has the lowest water potential.
$VI -$ Water always moves from a region of higher water potential to a region of lower water potential.
$I -$ Water molecules possess kinetic energy.
$II -$ In liquid and gaseous forms,water molecules are in random motion.
$III -$ In liquid and gaseous forms,the motion of water molecules is slow and constant.
$IV -$ If a system has a higher quantity of water,its water potential is higher.
$V -$ Pure water has the lowest water potential.
$VI -$ Water always moves from a region of higher water potential to a region of lower water potential.
Medium
View SolutionWhat would be the solute potential $(\Psi_s)$ of the cell sap in cell-$A$ and cell-$B$ respectively?
Easy
View SolutionWhich one of the following will have minimum water potential?
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