Apply concept of water potential and osmosis

Solution of which chamber has a lower solute potential?

(1) Chamber A

(2) Chamber B

(3) Both will have equal values

(4) Cannot be predicted

Subtopic:  Osmosis |
 61%
From NCERT
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Apply concept of water potential and osmosis

The pressure applied in this experiment is

(1) Hydrostatic Pressure

(2) Colloidal pressure

(3) Osmotic pressure

(4) Pressure potential

Subtopic:  Osmosis |
 80%
From NCERT
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Isotonic solution is

(1) A solution which is more concentrated than the cytoplasm

(2) A solution which is more dilute than the cytoplasm

(3) A solution which balances the osmotic pressure of the cytoplasm

(4) A solution which is less dilute than the cytoplasm

Subtopic:  Plant Water Relations: Plasmolysis |
 94%
From NCERT
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Plasmolysis

Which one is incorrect.

(1) External solution is hypertonic

(2) Water moves out of the cell

(3) Cell membrane shrinks away from it's cell wall

(4) Firstly cell sap comes out then cytoplasmic water.

Subtopic:  Plant Water Relations: Plasmolysis |
 72%
From NCERT
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What occupies the space between the cell wall and the shrunken protoplast in the plasmolysed cell?

(1) Hypertonic solution

(2) Hypotonic solution

(3) Water

(4) Cytoplasmic content

Subtopic:  Plant Water Relations: Plasmolysis |
 72%
From NCERT
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Prehistoric man used which of the following methods to split rocks and boulders?

(1) Plasmolysis

(2) Active Transport

(3) Osmosis

(4) Imbibition

Subtopic:  Imbibition |
 94%
From NCERT
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Emergence of seedling is due to

(1) Plasmolysis

(2) Active Transport

(3) Osmosis

(4) Imbibition

Subtopic:  Imbibition |
 93%
From NCERT
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From the twig experiment in which twig is placed in colored water, which of the following can be deduced?

(1) The path of organic Acid

(2) The path of hormones

(3) The path of water

(4) The development of twig

Subtopic:  Water Absorption |
 80%
From NCERT
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Movement of molecule across a typical plant cell i.e. 50 micrometer takes

(1) 10 seconds

(2) 15 seconds

(3) 2.5 seconds

(4) 16 seconds

Subtopic:  Water Absorption |
 80%
From NCERT
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If mass flow is occurring like suction through a straw

(1) It is due to positive hydrostatic pressure

(2) It is due to negative hydrostatic pressure

(3) It is due to concentration gradient

(4) All of these

Subtopic:  Water Potential Concept |
 81%
From NCERT
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