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30% of a human cell is made up of water.

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Important Questions on Biomolecules

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Ascent of xylem sap, caused due to transpiration, depends mainly on three physical properties of water. These properties result in
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What is the most important property of water for which it is needed in the body?
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How much water is absorbed in 15 hours by a mustard plant having 2 kg wt.
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Which diagram shows the interaction that occurs between water molecules? 
MEDIUM
List few physical properties of water.
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What type of bond is formed between the hydrogen atom of one water molecule and the oxygen atom of adjacent water molecule, whether hydrogen bond or Van der Waals force?
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Water is a non-polar molecule.
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Water makes up how much percentage of human cells.
HARD
What are the properties of water that help in the ascent of sap in the plants.
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The force between the water column and tracheary elements that prevent its fall down is called _____.(write one word)
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The column of water does not fall down under the effect of gravity because of adhesion, cohesion and surface tension of water molecules. It is related to which of the following?
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Define the cohesive property of water.
MEDIUM

Fill in the blanks with the correct options given in the bracket.

The transpiration driven ascent of xylem sap depends on the _____ property of the water. (photosynthetic/ chemiosmotic/ cohesion)

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Define surface tension property of water.