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Purple cabbage leaves do not loose their...

Purple cabbage leaves do not loose their colour in cold water but do so in boiling water because

A

hot water enters the cell faster

B

pigment is not soluble in cold water

C

hot water destroys the cell walls

D

hot water kills plasmalemma and makes it permeable

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The correct Answer is:
D
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. A cleaned goat bladder is filled with a syrup tied and immersed in wat...

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  2. Bacteria cannot survive in a hihgly salted pickle because

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  3. Purple cabbage leaves do not loose their colour in cold water but do s...

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  4. Which is possible for a fully turgid cell ?

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  5. The plants that send their roots upto fringe of the water table due to...

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  6. Root hairs absorb water when

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  7. The root hairs absorb from soil

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  8. In submerged hydrophytes, the absorption of water takes place thrugh

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  9. The water available to the plant for absorption is

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  10. Bulk of water requirement of plant is met through the process of

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  11. Plasmodesmata connections help in movement of substances between cells...

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  12. Cold soils are considered to be

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  13. A water - logged soil is considered to be physiologically dry because ...

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  14. Which is influenced by opening and closing of stomata ?

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  15. During passive absorption of water , the forces originate in

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  16. Mark the correct statement .

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  17. The influence of metabolic inhibitors on the process of passive absor...

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  18. The rate of water absorption is considered to be approximately equal t...

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  19. When soils are deficient in oxygen and have high proportion of salts o...

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  20. Root pressure occurs due to

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