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In land plants the guard cells differ fr...

In land plants the guard cells differ from other epidermal cells in having

A

mitochondria

B

endoplasmic reticulum

C

chloroplasts

D

cytoskeleton

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The correct Answer is:
C
The guard cells of stomats in land plants are specialised epidermal cells which contain chloroplasts. In rest of epidermal cells unioroplasts are absent. The chloroplasts of guard cells are capable of poor photosynthesis as there is absence of NADP reductase enzyme.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-TRANSPORT IN PLANTS -Exercise
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  2. Which of the following criteria does not pertain to facillatated trans...

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  3. In land plants the guard cells differ from other epidermal cells in ha...

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  4. Guard cells help in

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  5. The rupture and fractionation do not usualy occur in the water column ...

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  6. Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, ...

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  7. The translocation of organic solutes in sleve tube membres is supportt...

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  8. Stomata of a plant open due to

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  9. Stomata of CAM plants

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  10. Opening and closing of stomata is due to

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  11. Glycolate induces opening of stomata in

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  12. Which of the following have sunken stomata

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  13. Water enters a cell due to

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  14. Storage capacity of the soil is the extent to which it can hold In s...

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  15. Water potential and osmotic potential of pure water are

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  16. If turgidity of a cell surrounded by water increases, the wall pressur...

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  17. Osmotic pressure in the leaf cells is

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  18. Water entering root due to diffusion is part of

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  19. The movement of water from one cell of the cortex to the adjacent one ...

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  20. Which of the following is used to determine the rate of transpiration ...

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