Transport in Plants: MCQs Test – 3

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NEET Biology MCQs | Online MCQs test on NEET Transport in Plants | Solve this online test and get your instant score and answers | Test No. 3

Transport in Plants: MCQs Test - 3

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Question 1
Humidity in atmosphere decreases rate of
A
glycolysis
B
photosynthesis
C
transpiration
D
growth
Question 2
Guttation is the result of
A
Diffusion
B
Root pressure
C
Osmosis
D
Transpiration
Question 3
Hydathodes are also called
A
guard cells
B
sunken stomata
C
water stomata
D
subsidiary cells
Question 4
Graham’s Law is correlated with
A
Osmosis
B
Osmoregulation
C
Diffusion
D
Adsorption
Question 5
The sugarcane Plant has
A
reticulate venation
B
pentamerous flowers
C
dumb bell-shaped guard cells
D
capsular fruits
Question 6
If water enters in a cell, the pressure exerted by its swollen protoplast is
A
Osmotic pressure
B
Diffusion pressure deficit
C
Turgor pressure
D
Imbibition
Question 7
Which one of the followings establishes the barrier to the apoplastic movement of solutes into the vascular cylinder?
A
Intracellular spaces
B
Plasma membrane
C
Casparian strips
D
Plasmodesmata
Question 8
The direction of water in the leaflets of Cycas from midrib is
A
lateral
B
downward
C
upward
D
both downward and upward
Question 9
Which of the following is the most accepted theory for movement of water through plants?
A
Passive transport
B
Capillarity
C
Cohesion theory
D
Root pressure
Question 10
With an increase in the turgidity of a cell, the wall pressure will
A
increase
B
decrease
C
fluctuate
D
remain unchanged
Question 11
Munch hypothesis is based on
A
Translocation of food due to imbibition force.
B
Translocation of food due to TP gradient and imbibition force.
C
Translocation of food due to Turgor Pressure (TP) gradient.
D
None of these
Question 12
The translocation of organic solutes in sieve tube members is supported by
A
P-proteins
B
Root pressure and transpiration pull
C
Cytoplasmic streaming
D
Mass flow involving a carrier and ATP
Question 13
Column I lists some principles, pertaining to physiology of plants. Column II lists the names of scientists who proposed the idea. Match the two columns. Identify the correct choice from those given
Column - I Column - II
A. Mass flow hypothesis p. J. C. Bose
B. Relay pump theory q. Strasburger
C. Transpiration pull theory r. Munch
D. Pulsatile movement theory s. Godlewski
    t. Dixon and Jolly
A
A - r, B - s, C - p, D - t
B
A - r, B - s, C - t, D- p
C
A - s, B - r, C - t, D - p
D
A - s, B - r, C - p, D - t
Question 14
Opening and closing of stomata is due to the:
A
Gaseous exchange
B
Change in Turgor pressure of guard cells
C
Hormonal change in guard cells
D
Respiration
Question 15
Water will be absorbed by root hair when 
A
concentration of salts in the soil is high
B
concentration of solutes in the cell sap is high
C
plant is rapidly respiring
D
they are separated from soil by a permeable membrane
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