Assign Bio XI 2.2

Chapter 6.Anatomy of Flowering plants

1. Define tissue.
2. Differentiate meristematic & permanent tissues.
3. Differentiate the parenchyma , collenchyma & sclerenchyma.
4. Explain the various types of complex tissues & mention their functions.
5. Differentiate the
a. Protoxylem & metaxylem
b.exarch & endarch xylem
6. What are the various components of epidermal tissue ?Explain.
7. Differentiate
a. open & closed vascular bundles.
b. radial & Conjoint vascular bundles
c. collateral & bicollateral vascular bundles.
8. Explain the internal structure of dicot stem & monocot stem with help of neat labeled
diagrams.
9. Explain the internal structure of dicot root & monocot root with the help of neat
labeled diagrams.
10. Explain the vertical section of dicot & monocot leaf with the help of neat labeled
diagrams.
11. Explain how the secondary growth occur in dicot stem?
12. Explain how the secondary growth occur in dicot root?
13. Differentiate the following
a. spring wood & autumn wood
b. sap wood & heart wood
14. What are lenticels?