EASY
Earn 100

The hydrostatic pressure developed in the cell is called :-

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Important Questions on Transport in Plants

MEDIUM

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

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

HARD
Which of the following elements is responsible for maintaining turgor in cells?
EASY
Addition of more solutes in a given solution will:
EASY
Water potential of pure water at standard temperature is ________
EASY
The magnitude of increment in water potential in a turgid cell is called ________
EASY
The water potential ψp of pure water at standard temperature and atmospheric pressure is:
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
EASY
Absorption of water by gram is the process of
MEDIUM
Which one of the following denotes the water potential of the mesophyll cell in wilted condition?
MEDIUM
Percentage of water left in the soil when a plant wilts, is known as:
HARD
Cell-A has osmotic potential of -18 bars and pressure potential of 8 bars, whereas, cell-B has osmotic potential of -14 bars and pressure potential 2 bars. The direction of flow of water will be
EASY
The initial stage of water absorption by root cells is by
HARD
Which of the following equations is wrong?
EASY
In the course of imbibition, the volume of the system
HARD
Read the following statements carefully.

(a) Under certain conditions chemically combined water is useful in the phenomenon of night recovery

(b) Term 'Apoplast' was proposed by Munch

(c) Value of imbibition pressure is 100 bars in dry pea seeds
MEDIUM

Match the following columns and choose the correct option.

Column-I Column- II
(A) Water potential of 10% salt solution (1) Positive
(B) Pressure potential in a normal cell (2) Negative
(C) Pressure potential in a plasmolysed cell (3) Positive
(D) Matric potential on the surface of the wood (4) Negative
  (5) Zero
EASY
Wilting of leaves at noon and their recovery toward evening is known as
EASY
Comment upon the following :
Plants have to pay the price of photosynthesis in the form of transpiration.