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What category of a permanent plant cell ...

What category of a permanent plant cell is companion cell

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Companion cell is a component of phloem which is a complex permanent tissue . It is a living cell with dense cytoplasm and a prominent nuceles
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PRADEEP-ANATOMY OF FLOWERING PLANTS-ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS )
  1. Name the main components of xylem. Which of these is most suitable for...

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  2. Name two examples of fruits having sclereids.

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  3. What forms the cambial ring in a dicot stem during the secondary growt...

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  4. When do you refer to a vascular bundle as a closed bundle ?

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  5. What makes the root's apical meristem sub-terminal ?

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  6. Define open vascular bundle

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  7. What category of a permanent plant cell is companion cell

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  8. What is the function of a companion cell ?

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  9. Mention any one characteristic of the sieve tube members

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  10. What type of tissue constitutes calyptrogen

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  11. Which tissue of the leaf contains the chloroplasts

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  12. What is exarch condition ?

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  13. Name the components of secondary xylem.

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  14. Name the tissue involved in linear and lateral growth in plants.

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  15. What is the function of phloem parenchyma ?

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  16. Protoxylem is the first formed xylem. If the protoxylem lies next to p...

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  17. What is present at the surface of leaves which helps the plant prevent...

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  18. What part of the plant would show the following ? (a) Radial vascula...

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  19. What constitutes the cambial ring ?

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  20. Give on basic functional difference between phellogen and phelloderm.

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