Multiple Choice QuestionsIn plants, water moves from
less negative to more negative potentia
more negative to less negative potential
same potentials
none of the above
Wooden doors swell up and get stuck during the rainy season. This is due to the phenomenon of
imbibition
endosmosis
capillarity
deplasmolysis
Assertion : Long distance flow of photoassimilates in plants occurs through sieve tubes.
Reason : Mature sieve tubes have parietal cytoplasm and perforated sieve plates.
If both Assertion and Reason are true and the reason is the correct explanation of the assertion
If both Assertion and Reason are true but the reason is not the correct explanation of the assertion
If Assertion is true statement but Reason is false
If both Assertion and Reason are false statements
Good soil is :
which holds whole of the water that enters into it
which allows percolating the water slowly from it
which allows water to pass very quickly from it
which allows limited amount of water to retain into it
If turgor pressure becomes equal to the wall pressure, then
water leaves the cell
water enters the cell
no exchange of water takes place
solute goes from the cell into water
Which one of the following does'nt help in molecule transport?
Diffusion
Osmosis
Surface tension
Active transport
The real forces responsible for the movement of water from one cell to another cell is mainly
Osmotic Pressure (OP)
Turgor Pressure (TP)
Diffusion Pressure Deficit (DPD)
imbibition
Assertion : A plant girdled upto bast will die.
Reason : Food transportation in such plant will cease followed by ceasation of water transport.
If both Assertion and Reason are true and Reason is the correct explantion of Assertion
If both Assertion and Reason are true and Reason is not the correct explanation of Assertion
If Assertion is true but Reason is false
If Assertion is false but Reason is true
