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

Stomata of a plant open due to _____.

(a)

Influx of K⁺

(b)

Efflux of K⁺

(c)

Influx of Cl^-

(d)

Influx of OH^-

Which among the following are common to facilitated diffusion and active transport?

(a)

depend on respiratory energy

(b)

transport along concentration gradient

(c)

involvement of carrier proteins

(d)

all the above

Embolism during ascent of sap refers _________

(a)

cavitation in phloem

(b)

gas bubble replacing the water in xylem

(c)

disappearance of gas from xylem

(d)

undisturbed water column

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

Process of fumigation works on the principle of ______

(a)

Imbibition

(b)

Diffusion

(c)

Active transport

(d)

Passive transport

The term DPD was coined by ______

(a)

Renner

(b)

Munch

(c)

Dixon

(d)

Meyer

1.	J C Bose	(i)	phosphorylase
2.	Strasburger	(i)	Cohesive force
3.	Dixon	(iii)	Crescograph
4.	Hanes	(iv)	Oak tree

(a)

1-iii , 2-iv , 3-i, 4-ii

(b)

1-iii, 2-iv, 3-ii, 4-i

(c)

1-iv, 2-iii,3-ii, 4- i

(d)

1-i , 2-iv , 3-ii ,4-iii

Cobalt chloride strips are used to find ___________

(a)

Presence of stomata in leaf

(b)

Rate of transpiration

(c)

Guttation

(d)

All the above

Over 30 types of aquaporins have been reported in ___________

(a)

Rice

(b)

Maize

(c)

Peas

(d)

Soybean