1. Which type of fibres mainly occur in phloem

2. “Patua” is obtained from Hibiscus sabdariffa is

3. Vascular bundles in dicot stem are

4. Wound healing in plants is initiated by

5.  Bicollateral bundles are found in the stem of

6. The innermost layer of cortex which shows casparian thickenings in its cells is called as

7. Quiescentcentre is found in the plant at

8. Vessels differ from tracheids

9. Most conspicuous annual rings form in:

10. Bark includes all the tissues

11. A meristematic region present between the xylem and the phloem of open vascular bundles is called

12. Fusifrom initial cells of cambium from

13. Pith is very well developed in

14. Endodermis cells are rich in

15. After the secondary growth, the oldest layer of secondary phloem in a dicot stem is located

16. The waxy substance associated with the wall of the cork cell is

17. Mechanical tissue consisting of living cells is

18. A wood with scattered parenchyma is called

19. Walls of sclerenchyma are

20. Closed vascular bundles lacks