Which of the following physical force is responsible for ascent of sap?

(a)

Imbibition

(b)

Capillary force

(c)

Transpiration pull and cohesion

(d)

Root pressure

Water potential of pure water is __________

(a)

O

(b)

-2

(c)

2

(d)

+2

Experiment with Balsam demonstrates

(a)

Translocation of solute

(b)

Plasmolysis

(c)

Transpiration pull

(d)

Ascent of Sap

_________ observed correlation between respiration and anion absorption.

(a)

Lundegardh

(b)

Donnan

(c)

Bennet

(d)

Overton

__________ is a large transporter protein found in outer membrane of plastids mitochondria etc.,

(a)

Aquaporin

(b)

Uniport

(c)

Porin

(d)

Cellulose