Define tissue.
2. Define histology.
3. Differentiate between plant tissue and animal tissue.
4. Differentiate between primary meristem and secondary meristem.
5. What is peculiar about aerenchyma?
6. Give the function of lateral meristem.
7. Why xylem and phloem are called conducting tissue?
8. Name the types of meristematic tissues on the basis of their position.
9. Name the dead elements of phloem.
10. ...............................tissue is capable of division throughout life.
11. What are the different types of simple tissues?
12. What is the role of epidermis in the plants?
13. Water hyacinth floats on water surface. Explain.
14. Define the term differentiation.
15. List two functions of collenchyma cells.
16. What would happen if the phloem at the base of a branch is removed and the xylem of
root of a plant is blocked?
17. Which structure protects the plant body against invasion of parasites?
18. Name the chemical substance that makes the cork cells impervious to gases and water.
19. Enumerate three differences between simple and complex tissues.
20. Justify the statements giving suitable reasons:
i. Absence of intercellular spaces in sclerenchyma tissue.
ii. It is difficult to pull the husk of the coconut.
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study. of old things is known as histology
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