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In dicot root, cambium develops from sec...

In dicot root, cambium develops from secondary meristem. First to happen during secondary growth is
1. cambium becomes active below phloem
2. conjunctive tisse inner to pheloem gets active
3. cambium develops from pericycle opposite to protoxylem
4. a wavy ring of cambium develops.

A

cambium becomes active below phloem

B

conjunctive tisse inner to pheloem gets active

C

cambium develops from pericycle opposite to protoxylem

D

a wavy ring of cambium develops.

Text Solution

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The correct Answer is:
B
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TRUEMAN BIOLOGY-ANATOMY OF FLOWERING PLANTS -MULTIPLE CHOICE QUESTIONS
  1. cork/bottle cork is formed from

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  2. Young region of secondary phloem is found

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  3. In dicot root, cambium develops from secondary meristem. First to hap...

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  4. If today a signboard is nailed to the side of a tree 5 feet above the...

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  5. Non-porous and soft wood is found in 1. gymnosperms 2. dicots 3. ...

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  6. Porous and hard wood plants belong to

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  7. A complete ring a vascular combium in dicot stem is formed by the comb...

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  8. Gymnospermic wood is soft wood because

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  9. Grafting is not possible in monocots because they

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  10. The annual rings are are distinct in plants growing in

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  11. In old trees, part of secondary xylem that conduct H(2) O and minerals...

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  12. Xylotomy is study of wood. Dendrochronology is the study of

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  13. Periderm constist of three namely

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  14. Termites usually does not attack/most durable part of woods is

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  15. Vascular combium is lateral meristem and gives rise to

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  16. A narrow layer of thin-walled cells found between phloem/bark and wood...

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  17. Which will decay faster if exposed freely

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  18. Abnormal secondary growth is observed in

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  19. Match the following : {:(1.,"Soft wood",(a)" Vessels present"),(2., ...

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  20. Cork cambium in dicot stem origintes from

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