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6.Plant water Relation (Biology) Online Test Created by- Shingare Sakshi 12th Science Student Janvikas Mahavidhylay Bansarola.
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Water is best transporting medium for dissolved minerals and food molecules.
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2 points
True
False
In the zone of obsorption epidarmal cells for unicellular hair like extension called Imbibition hairs.
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2 points
True
False
Osmosis is a property of-
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2 points
Solvent
Solution
Solute
Membrane
Surface tension is due to......
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2 points
Osmosis
Gravitational force
Cohesion
Diffusion
This are the macro element .... C ,H, O, P, N, S ,Mg.
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2 points
True
False
How many type of osmosis:-
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2 points
4
2
3
6
Stomata are minute apertures formed of 4 guard cell and accessory cells.
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2 points
True
False
The most widly accepted theory for ascent of sap is.......
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2 points
Capillarity theory
Root pressure theory
Diffusion
Transpiration pull theory
The number of stomata per unit area of leaf is called stomatal Index.
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2 points
True
False
Curtis (1926) regarded transpiration as a necessary evil.
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2 points
True
False
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