131.
Foliar transpiration
A
Includes stomatal and cuticular transpiration
B
Does not occur
C
Includes all type of transpiration
D
Shows stomatal transpiration
Answer :
Includes stomatal and cuticular transpiration
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132.
Which of the following plant is
A
Xanthium
B
Soyabean
C
Wheat
D
Tobacco
Answer :
Wheat
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133.
If a plant cell is immersed in water ,the water continues to enter the cell until the
A
Concentration of the salts is the same inside the cell as outside
B
Cell bursts
C
Concentration of water is the same inside the cell as out side
D
Diffusion pressure deficit is the same inside the cell as out side
Answer :
Diffusion pressure deficit is the same inside the cell as out side
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134.
In which condition the Turgor pressure of the cell becomes equal to the osmotic pressure
A
In flaccid cell
B
In plasmolysed cell
C
In fully turgid cell
D
It never happens
Answer :
In fully turgid cell
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135.
Which is produced during water stress that brings stomatal closure
A
ethylene
B
abscisic acid
C
ferulic acid
D
coumarin
Answer :
abscisic acid
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136.
Imbibition process involves
A
Both diffusion and capillary action
B
Only diffusion
C
Only capillary action
D
None of the above
Answer :
Both diffusion and capillary action
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137.
The process of the escape of liquid from the tip of uninjured leaf is called
A
Evaporation
B
Transpiration
C
Guttation
D
Evapo-transpration
Answer :
Guttation
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138.
Ringing experiment was performed in
A
Balsom Plant
B
Mirabilis Plant
C
Indian telegraph
D
Avena pant TRANSPIRATION
Answer :
Indian telegraph
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139.
If the OP of any osmotic system is 35 atm and its turgor pressure 9 units .Find out water potential present in the osmotic system
A
-44 unit
B
-26 unit
C
26 unit IMBIBITION
D
-3.88 unit
Answer :
-26 unit
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140.
Which of the following pair of bacteria is involved in two step conversion of NH3 into nitrate
A
Azotobacter and nitrosomnas
B
Nitrosomonas and Nitrobacter
C
Azotobacter and Achromobacter
D
Pseudomonas and Nitrobacter
Answer :
Nitrosomonas and Nitrobacter
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