The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and early morning is:

1. Root pressure

2. Imbibition

3. Plasmolysis

4. Transpiration

How many properties are associated with active transport?

a. Requires special membrane proteins

b. Highly selective in nature

c. Transport saturates

d. Requires ATP as source of energy

e. Responds to protein inhibitors

1. a, b, c, d only

2. b, c, d, e only

3. a, c, d, e only

4. All a, b, c, d, e

Select the incorrect about apoplast pathway.

1. It is faster than symplast

2. Little resistance in the movement of water

3. Consists of living parts of the plant body

4. Water moves through cell walls and intercellular spaces

Main factor deciding rate of diffusion is :-

1. Pressure/concentration gradient

2. Solubility of gases

3. Thickness of diffusion membrane

4. Posture of body 

ln above diagram A is having :-

(1) Hypotonic solution 

(2) Hypertonic solution 

(3) Low $\psi$w

(4) Both B & C correct

Movement of water and mineral in cell wall & intercellular space is called as:-

1. Symport 

2. Antiport

3. Symplast

4. Apoplast

Which is not correct with transporting the food through phloem?

1. Loading is a passive process

2. Translocation is due to hydrostatic force

3. Food translocation is bidirectional

4. Translocation always occur from source to sink 

Which protein is responsible for active transport:-

1. Pump

2. Channel

3. Symport

4. Uniport

Which one of the following is incorrect regarding faciliated diffusion :-

(1) Selective nature

(2) Dependent on energy

(3) Transport Saturation

(4) Requirement of protein

Select the correct statement:-

1. Pure water has minimum $\psi \omega$

2. Pure water has maximum $\psi \omega$

3. Pure water has maximum DPD

4. Pure water has variable DPD