EASY
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When a cell is fully turgid, which of the following will be zero or the potential energy of water is referred to as

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Important Questions on Plant Water Relation

MEDIUM

Assertion (A): Pea seeds swell more on imbibition than wheat seeds.

Reason (R): Proteins have a high imbibing capacity.

EASY
Which of the following physico-chemical techniques is commonly used to desalinate brackish water?
EASY
Water potential of pure water at standard temperature is ________
HARD
Which of the following elements is responsible for maintaining turgor in cells?
EASY
The salting of pickles is an example for
EASY
Addition of more solutes in a given solution will:
EASY
The magnitude of increment in water potential in a turgid cell is called ________
HARD
Explain the process with a diagram when a living cell is placed in a concentrated solution.
MEDIUM

Assertion (A): The flow of solvent molecules from a pure solvent to the solution through semipermeable membrane is osmosis.

Reason (R): Pure solvent molecules flow out of the solution through semipermeable membrane if a pressure larger than the osmotic pressure is applied to the solution side.

The correct answer is:

EASY
The water potential ψp of pure water at standard temperature and atmospheric pressure is:
EASY

 Differentiate between the following pairs on the basis of what is indicated in the brackets.

Hypotonic solution and Hypertonic solution [condition of a plant cell when placed in them].

EASY
Excess salt inhibits bacterial growth in pickles by
EASY

Correct the following statements by changing the underlined words:

Xylem transports starch from the leaves to all parts of the plant body.

MEDIUM
Define water potential. What is the value of water potential of pure water.
MEDIUM
Define and explain water potential
EASY

The containers X and Y have 1 litre of pure water and 1 litre of 0.1 M sugar solution, respectively. Which one of the following statements would be correct regarding their water potential Ψ and osmotic potential Ψs?

*Note: There were errors in original KVPY papers, and thus the options are modified here.

EASY
The water potential of pure water is
MEDIUM
Two semi - permeable bags containing 2% sucrose are placed in two beakers, 'P' containing water and 'Q' containing 10% sucrose. Which one of the following outcomes is true?