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Guard cells help in:...

Guard cells help in:

A

Transpiration

B

Guttation

C

Fighting against infection

D

Production against grazing

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SARAS PUBLICATION-PLANT PHYSIOLOGY-EXAMPLE
  1. Stroma in the chloroplasts of higher plant contains:

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  2. Uric acid is the chief nitrogenous component of the excretory product ...

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  3. Guard cells help in:

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  4. Which one of the following pairs of food components in human reaches t...

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  5. Which one of the following structure between two adjacent cells is an ...

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  6. An element playing important role in nitrogen fixation is:

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  7. Which one of the following is not a micronutrient?

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  8. PGA as the first CO2 fixation product was discovered in cells is an ef...

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  9. Low Ca in the body fluid may be the cause of:

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  10. Which one of the following pairs is incorrectly matched?

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  11. Phototropic curvature is the result of uneven distribution of

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  12. The figure given is a diagrammatic representation of response of organ...

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  13. One of the free - living anaerobic nitrogen -fixer is:

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  14. The common nitrogen-fixer in paddy fields is :

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  15. Carrier ions like Na^+ facilitate the absorption of substances like:

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  16. The energy releasing metabolic process in plant is which substrate i...

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  17. C plants are more efficient in photosynthesis than C3- plants due to...

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  18. Important site for formation of glycoproteins and glycolipids is:

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  19. Which one of the following elements in plants, is not remobilised?

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

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