Hypertonic solution

(1) 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 equal to that of cytoplasm in terms of concentration

Subtopic:  Plant Water Relations: Plasmolysis |
 97%
Level 1: 80%+
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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 |
 80%
Level 1: 80%+
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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 |
 77%
Level 2: 60%+
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When water goes into the cell and out of the cell are in equilibrium, then the solution and cell are respectively

(1) Isotonic, Flaccid

(2) Hypotonic, Flaccid

(3) Hypertonic, Turgid

(4) Hypotonic, Turgid

Subtopic:  Plasmolysis |
 89%
Level 1: 80%+
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Plasmolysis is

(1) Usually reversible

(2) Occurs when cell is placed in hypotonic external solution

(3) Shrinkage of cytoplast

(4) All of these

Subtopic:  Plasmolysis |
 55%
Level 3: 35%-60%
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When the cells are placed in a hypotonic solution water movement causes

(1) Osmotic pressure

(2) Turgor pressure

(3) Hydrostatic pressure

(4) Hydrodynamic pressure

Subtopic:  Plasmolysis |
 87%
Level 1: 80%+
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Turgor pressure causes

(1) Rupture of animal cell

(2) Responsible for enlargement and extension of plant cell

(3) Pressure against the wall

(4) All of these

Subtopic:  Plasmolysis |
 89%
Level 1: 80%+
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Which of the following organisms do not possess cell wall?

(1) Plant cell

(2) Bacteria

(3) Fungi

(4) Amoeba

Subtopic:  Plasmolysis |
 86%
Level 1: 80%+
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Imbibition

Find the incorrect one.

(1) A special type of diffusion

(2) Water is absorbed by solids-colloids

(3) Causing the increase in volume

(4) Absorption of water by seeds, dry wood and cell

Subtopic:  Imbibition |
 52%
Level 3: 35%-60%
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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 |
 96%
Level 1: 80%+
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