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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

The cell wall is killed in boiling water

B

Hot water can enter the cells readily

C

The plasma membrane gets killed in boiling water and becomes permeable

D

The pigment is not soluble in cold water

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The correct Answer is:
C
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MOTION-TRANSPORT IN PLATS -EXERCISE -1
  1. One molar solution of which substance will have maximum OP

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

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  3. "Osmosis is flow of solution from higher concentration to solution of ...

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  4. What statement can be cited for 10% sodium chloride solution and 10% s...

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  5. If a cell is reduced in size (shrinks) when placing in a solution of s...

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  6. The process of osmosis involves

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  7. A cell increases in volume if the external medium is

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  8. Process of selective transmission of a liquid through semipermeable me...

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  9. Water enters into the root hair from the soil in its normal condition ...

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  10. Potato slices are immersed in a series of solution of different osmoti...

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  11. Which helps in maintaining form and structure of cells & soft parts of...

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  12. When a plant cell is placed in a hypotonic solution, which of the foll...

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  13. If osmotic potential of a cell is -10 bars and its pressure potential ...

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  14. Tonoplast is a

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  15. If in a cell suction pressure value is 30 atm. while osmotic pressure ...

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  16. The osmotic pressure is due to :

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  17. When a cell is fully turgid which of the following will be zero?

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  18. Water from the soil enters in to the root hairs on account of :

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  19. In a fully turgid cell the values of DPD, OP and TP should be :(

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  20. What is the direction of the movement of water if two cells have the s...

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