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why is osmotic pressure is positive and osmotic potential is negative??
what occupies space b/wcell wall & shrunken protoplast in plasmolysed cell?what wud be the pressure potential of flaccid cell? pls ans me!
Why Lipids are not strictly macromolecules ??
What is diffusion pressure deficit? (DPD)
Can anyone explain what is pressure gradient and concentration gradient?
what is positive hydrostatic pressure gradient and a negative hydrostatic pressure gradient
explain the process of photosynthesis in detail.(please)
What would be the pressure potential of a flaccid cell? Which organisms other than plants possess cell wall?
what is the difference between porins and aquaporins? plz explain properly the difference in function too.
What does this statement mean:
"Diffusion in solids rather than of solids is more likely."
WHAT ARE PORINS.WAHT IS IT FUNCTON
teacher, plz explain the difference betweeen plasmolysed cell and a flaccid cell.
plz explain in basic simple ways with examples. the definitions given in the book are hard to understand
Differentiate between Turgid, flaccid and Plasmolysed cells?
What is hydrostatic pressure?What is the difference between positive and negative hydrostatic pressure?
Define water potential .
Explain pressure potential . How is it build up???
first year NCERT page no 183,
how many years it would take for the movement of molecules over a distance of 1m within a plant by diffusion alone?
Mention 4 uses of transpiration.
what is imbibition?
what is the difference between turgor pressure and pressure potential
biology textbook ncert on page 180 fig answer is b to a ryt?
what would be the pressure potential of a flaccid cell?
What is the meaning of xylem lumen?
Can you tell of any system in our body where pressure is built up?
Transpiration is a necessary evil. It is necessary..understood...but how it is an evil?
what is the function of exocytosis?
differentiate between osmosis and plasmolysis
what is concentration gradient ?
what is adsorption?
What occupies the space between the cell wall and the shrunken protoplast in the plasmolysed cell?
what is the meaning of hydrophilic moiety...?
How many years it would take for the movement of molecules over a distance of 1m within a plant by diffusion alone?
What would be the pressure potential of a flaccid cell??which organisms other than plants possess cell wall??
what is the difference between turgidity and rigidity?
why does the water potential increases when applied pressure is greater than the atmospheric pressure in a pure water?
how do plants reduce transpiration?
difference between transport protein and carrier protein ?
what is the difference between turgor pressure and wall pressure?
What is the role of osmotic potential in regulating water potential of plant cells?
What is the difference between plasmolysis and osmosis?
answer in tabular form please
WHICH OF THE FOLLOWING STATEMENT IS CORRECT ....1] PLANT ABSORB EXCESS QUANTITY OF WATER 2] PLANTS TAKE IN SMALL QUANTY OF MINERAL SALTS THROUGH SOIL WATER 3] WATER & INORGANIC SALT TAKEN IN SIMULTANEOUSLY BY ROOT HAIRS 4] PLANT ABSORB ONLY ONE THING AT A TIME WATER OR INORGANIC SALTS
give 3 difference between ascent of sap and translocation of food
What determines the direction of flow of water from one cell to another cell?
wht is ringing or girdling experiments?
transpiration and photosynthesis compromise each other. Comment.
why do dry seeds swell when they are placed in water??
water channels made up of eight different types of aquaporins.what is the meaning of this statement?
give 2 reason why all mineral cannot be absorbed passively ?
what occupies the space between the cell wall and the shrunken protoplast in the plasmolysed cell?
Gridling experiment cannot be permormed in sugar cane ecause
a-it cannot withstand injury
b-vascular bundles in it are scattered
c-phloem in it is situated internal to xylem
d-sugar cane plants are too delicate
which one is correcct?
How is positive hydrostatic pressure developed in phloem similar to that in a garden hose? And how is negative hydrostatic pressure equivalent to that produced while sucking a straw?
why meritnation not sending my answers
what is Hydrophilic moiety ?
What is meant by apoplastic pathway?Why does it occur in cortex and not in endodermis?
why do plants die in water logged areas ??
is it coz there is a higher concentration of water in soil than minerals leading to reduction of active transport of minerals from soil to the plant ??
Explain pressure flow hypothesis of
translocation of sugars in plants.
When any plant undergoes senescence, nutrients may be withdrawn from such regions and moved to the growing parts. Explain it.
what is difference between guttation and dew?
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