1. Closed vascular bundles lacks

2. “Patua” is obtained from Hibiscus sabdariffa is

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

4. Vessels differ from tracheids

5. Mechanical tissue consisting of living cells is

6. Wound healing in plants is initiated by

7. Fusifrom initial cells of cambium from

8.  Bicollateral bundles are found in the stem of

9. Pith is very well developed in

10. Endodermis cells are rich in

11. Most conspicuous annual rings form in:

12. Which type of fibres mainly occur in phloem

13. Bark includes all the tissues

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

15. Vascular bundles in dicot stem are

16. Walls of sclerenchyma are

17. Quiescentcentre is found in the plant at

18. A wood with scattered parenchyma is called

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

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