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Annular and spirally thickened conductin...

Annular and spirally thickened conducting elements generally develop in protoxylem when root or stem is

A

Widering

B

Differentiating

C

Maturing

D

Elongating

Text Solution

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The correct Answer is:
A
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SANTRA PUBLICATION-STRUCTURAL ORGANISATION IN PLANTS-NCERT QUESTIONS
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  2. State the location and function of different types of meristems.

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  3. Cork cambium forms tissues that form the cork. Do you agree with this ...

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  4. Explain the process of secondary growth in the stems of woody angiospe...

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  6. Draw illustrations to bring out the anatomical difference between Mo...

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  7. Cut a transverse section of young stem of a plant from your school gar...

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  8. The transverse section of a plant material shows the following anatomi...

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  9. The transverse section of a plant material shows the following anatomi...

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  10. Why are xylem and pholem called complex tissues?

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  11. What is stomatal apparatus? Explain the structure of stomata with a la...

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  12. Name the three basic tissue systems in the flowering plants. Give the ...

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  13. How is the study of plant anatomy useful to us?

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  14. What is periderm? How does periderm formation take place in the dicot ...

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  15. Describe the internal structure of a dorsiventral leaf with the help o...

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  16. What is meant by modification of root? What type of modification of ro...

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  17. What is meant by modification of root? What type of modification of ro...

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  18. What is meant by modification of root? What type of modification of ro...

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  19. Justify the following statements on the basis of external features : ...

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  20. Justify the following statements on the basis of external features : ...

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  21. How is a pinnately compound leaf different from a palmately compound l...

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