41.
Water lost in guttation is
A
Pure water
B
Impure water
C
In vapour form
D
Either A and B
Answer :
Impure water
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42.
In a flaccid cell which condition does not occur
A
TP=0
B
SP=0
C
WP=0
D
SP=OP
Answer :
SP=0
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43.
What will be the direction of flow of water when a plant cell is placed in a hypotonic solution ?
A
No flow of water in any direction
B
Water will flow in both directions
C
Water will flow out of the cell
D
Water will flow into the cell
Answer :
Water will flow into the cell
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44.
The whitish powder around hydathode is due to
A
Guttation
B
Salt deposition from air
C
Salt formation over surface
D
Bleeding MINERAL ABSORPTION & NUTRITION
Answer :
Guttation
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45.
Which element related with Khaira disease, of Paddy & auxin synthesis
A
Fe
B
Zn
C
B
D
Cu
Answer :
Zn
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46.
If the absorption is more , but transpiration is less , then process affected will be
A
Root pressure
B
Guttation
C
Bleeding
D
All of the above
Answer :
All of the above
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47.
Swelling of wooden planks and door-penals during the rainly season is due to
A
Imbibition
B
Endosmosis
C
Deplasmolysis
D
Diffusion
Answer :
Imbibition
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48.
Translocation of carbohydrate nutrients usually occurs in the form of
A
Glucose
B
Maltose
C
Starch
D
Sucrose
Answer :
Sucrose
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49.
What is true for the water available in the soil
A
Holard = chresard +Echard
B
Holard = Chresard -Echard
C
Chresard= Holard +Echard
D
Echard =Holard +chresard
Answer :
Holard = chresard +Echard
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50.
Wilting of plant results from an excessive
A
Absorption
B
Photosynthesis & poor osmosis
C
Respiration
D
Transpiration
Answer :
Transpiration
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