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During absorption of H(2)O by roots, the...

During absorption of `H_(2)O` by roots, the `H_(2)O` potential of cell sap is lower than that of

A

Solution outside

B

That of pure `H_(2)O`

C

One

D

None of these

Text Solution

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The correct Answer is:
b
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During absorption of water by roots, the water potential of cell sap is lower than that of

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Which of the following statements are correct regarding D_(2)O and H_(2)O ? I. D_(2)O reacts with Al_(4)C_(3) at a faster rate than does H_(2)O . II. The freezing point of D_(2)O is higher than that of H_(2)O . III. NaCl is more solution in D_(2)O than in H_(2)O . IV. lonic product of D_(2)O is smaller than that if H_(2)O . Select the correct answer using the codes givem below.

Assertion : Bond angle in H_(2)O is less than that in H_(2)S . Reason : Electronegativity of O is more than that of S.

During ionisation of H_(2)O, H^(+) is ultimately captured by

Statement-1: Alkali metal can not prepared by the elctrolysis of their chlorides in aqueous solution. Statement-2: Reduction potentials of alkali metals cations is much lower than that H_(2)O .

EMF of an H_(2)-O_(2) fuel cell

Assertion :D_(2)O has higher boiling point than H_(2)O . Reason : Viscosity of H_(2)O(l) is less than that of D_(2)O(l) .

Statement-I: Polarity of H_(2)O_(2) is more than H_(2)O but it is a fewer solvent than H_(2)O . Statement-II: In chemical reactions, H_(2)O is decomposed but H_(2)O does not.

ERRORLESS -TRANSPORT IN PLANTS-Transport In Plants
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  2. The speed of water absorption will be greater if

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  3. During absorption of H(2)O by roots, the H(2)O potential of cell sap i...

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  4. See the following figure and select the correct option

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  5. Which out of the four plant cells (P,Q,R "and" S) would not exhibit an...

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  6. The given diagram shows the transportation of materials by

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  7. The given diagram shows a potato plant forming new tubers. Which rou...

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  8. From these results it can be conculed that the water concentration of ...

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  9. The effect of solute concentration of the mass of tissue cells is stud...

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  10. Which of the following is not correct is mass flow hypothesis

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  11. Water vapour comes out from the plant leaf through the stomatal openin...

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  12. Specialised epidermal cells surrounding the guard cells are called

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  13. Assertion : Xylem is principal water conducting tissue. Reason : It ...

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  14. Assertion : Water and mineral uptake by root hairs from the soil occur...

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  15. Assertion : long distance flow of phtoassimilates in plants occurs thr...

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  16. Assertion : Arid areas are not suitable for crops Reason: Antityrans...

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  18. Assertion: Film forming chemical should not be used for cheking transp...

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