In a fully turgid cell _____.

(a)

DPD = 10 atm; OP = 5 atm; TP = 10 atm

(b)

DPD = 0 atm; OP = 10 atm; TP = 10 atm

(c)

DPD = 0 atm; OP = 5 atm; TP = 10 atm

(d)

DPD = 20 atm; OP = 20 atm; TP = 10 atm

What type of transpiration is possible in the xerophyte Opuntia?

(a)

Stomatal

(b)

Lenticular

(c)

Cuticular

(d)

All the above

Stomata of a plant open due to _____.

(a)

Influx of K⁺

(b)

Efflux of K⁺

(c)

Influx of Cl^-

(d)

Influx of OH^-

Munch hypothesis is based on _______.

(a)

Translocation of food due to TP gradient and imbibition force

(b)

Translocation of food due to TP

(c)

Translocation of food due to imbibition force

(d)

None of the above

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

According to cytochrome pump theory the anions and cations are transported by _____________

(a)

active absorption

(b)

passive absorption

(c)

active and passive absorption respectively

(d)

passive and active absorption respectively

If the concentration of salt in the soil is too high and the plants may wilt even if the field is thoroughly irrigated. Explain

How phosphorylase enzyme open the stomata in starch sugar interconversion theory?

List out the non-photosynthetic parts of a plant that need a supply of sucrose?

Differentiate channel protein and carrier protein.

What is DPD?

Explain 'ascent of sap'?

List out the role of anittranspirants in agriculture.

Define 'Diffusion'.

What is transpiration pull?

Justify plant cell as an osmotic system

Define Osmosis

Show the K⁺ transport theory of opening of stomata with diagram.

Draw a diagram to show the structure of stomata.

What are the parameters which control water potential?

Describe the transpiration pull theory.

Explain the uses of Ganongs potometer.