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You are given a fairfly old piece of dic...

You are given a fairfly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?

A

secondary xylem

B

secondary phloem

C

protoxylem

D

cortical cells

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NCERT TAMIL-COMPETITIVE EXAM QUESTIONS -PLANT PHYSIOLOGY
  1. You are given a fairfly old piece of dicot stem and a dicot root. Whic...

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  2. The water potential of pure water is

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  3. Transpiration and root pressure cause water to rise in plants by

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  4. Movement of ions or molecules in a direction opposite to that of preva...

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  5. Correct sequence of events in wilting ?

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  6. What will be the direction of net osmotic movement of water if a solut...

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  7. The pressure exerted by a swollen vacuole on the cell wall is

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  8. Who said that 'transpiration is a necessary evil' ?

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  9. Which one gives the most valid and recent explanation for stomatal mov...

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  10. Carrier proteins are involved in

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  11. Active transport of ions in the cell requires

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  12. Guttated liquid is

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  13. Stomata of a plant open due to

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  14. Potometer works on the principle of

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  15. Most suitable theory for ascent of sap is

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  16. If a cell kept in a solution of unknown concentration gets deplasmolys...

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  17. Which is essential for the growth of root tip ?

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  18. On the basis of symptoms of chlorosis in leaves, a student inferred th...

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  19. Cytochrome oxidase contains

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  20. Which is correct to saprophytic angiosperms ?

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  21. The ability of the venus fly trap to capture insects is due to

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