MABS Institution
11th Biology Monthly Test -1 ( Bio - Botany - Transport in Plants)-Aug 2020
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Justify plant cell as an osmotic system
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What would happen to a cell when placed in a hypotonic solution?
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What is transpiration pull?
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List out the non-photosynthetic parts of a plant that needs a supply of sucrose?
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Write the role of pressure potential, turgor pressure and wall pressure for turgidity of plant cell.
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Draw a diagram to show the structure of stomata.
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How does leaf structure affect the rate of transpiration?
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Explain Donnan equilibrium
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What is the principle of reverse osmosis?
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Differentiate Active and Passive absorption of water.
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Show the K+ transport theory of opening of stomata with diagram.
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Is there link between water absorption and respiration? Explain.
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Define Osmosis
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What is water potential?
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Explain Munch Mass flow, hypothesis and its applications to plants
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What are the parameters which control water potential?
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Explain starch - sugar inter conversion theory
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(a) Define osmosis
(b) Explain the types
(c) Demonstrate an experiment to prove osmosis. -
An artificial cell made of selectively permeable membrane immersed in a beaker (in the figure). Read the values and answer the following questions?
a. Draw an arrow to indicate the direction of water movement.
b. Is the solution outside the cell isotonic, hypotonic or hypertonic?
c. Is the cell isotonic, hypotonic or hypertonic?
d. Will the cell become more flaccid, more turgid or stay in original size?
e. With reference to artificial cell state, the process is endosmosis or exosmosis? Give reasons -
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Explain Cytochrome pump theory?
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Explain the uses of Ganongs potometer.
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Explain 'routes' for path of water across root cells.
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Describe the transpiration pull theory.
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Explain theory of K+ transport for mechanism of stomatal movement.