Plant Water Relations Mock Test (Biology) MHT CET 2021

The water present in the fine spaces of small non-colloidal soil particles is called _____

The adsorption water by hydrophilic compounds like cellulose and pectin in root hair cell wall is called ___

Flaccid cell means ___

In plants, water rises upwards through

Diffusion of water through semipermeable membrane from dilute solution to concentrated solution is

The membrane which allows the movement of only water molecules to pass through it and not the solute particles

Casparian strips occur in __

Root pressure develops due to

Pressure developed on cell wall of plant cell caused by osmotic movement of water is called as

Continuous upward flow of water stream in tall trees is maintained due to_______

Root pressure is absent in

Maximum root pressure is observed when

The rate of absorption of water _____ with increase in salt concentration in the soil

The ascent of sap takes place in

Xylem translocates

What is direction of movement of sugars in phloem ?

Stomata in grass leaf are

In guard cells when sugar is converted into starch the stomatal pore

Of the processes which occur in leaves , the one which may lower their temperature (cooling effect )is

The loss of water in the form of water droplets is called

Stomata opens because the guard cells have-

Transpiration through small openings present in bark of woody stem surrounded by complementary cells is

Conversion of starch to sugar is essential for

Path of water movement from soil to xylem is

Molecules move inside and outside living cells by

Cohesive and adhesive force cause

Transplanted plant sometimes do not survive as

Root hairs absorb water from soil when