TRANSPORT IN PLANTS Quiz 5

Apoplast is

Assertion - Most of the water flow in the roots occurs via apoplast. || Reason – the cortical cells are densely packed hence offer no resistance to water movement.

Apoplastic movement of water occurs through

Which cannot germinate and establish without the presence of mycorrhizae

A cell A has Ψw = -5 kPa and another cell B has Ψw = -7 kPa. What is the net flow of water moment?

Xylem is mainly associated with translocation of

For a fully flaccid cell

For a fully turgid cell

If a plasmolysed cell has O.P. = 12, T.P. = -4. Its DPD will be

The bulk movement of substance through the conducting tissue of plant is called

The movement of water through the root layers is ultimately _________ in the endodermis.

Most of the water flow in the roots occurs via

Calculate how many time it would take for the movement of molecule over a distance of 1m within a plant by diffusion alone?

DPD is maximum when

What is correct with respect to the movement of water in this diagram?