BOTANY 105 LAB TESTNAME__________________________ SPRING, 1997
Rules of this examination:
A. You will have two chances to show your instructor the following features; full credit will result if you are correct the first time; 1/2 credit for a second chance; no credit for missing 2 in a row.
B. You are to work individually.
C. Only one student at a time should show feature (-s) to the instructor.
D. Point the feature out to the instructor without speaking .
E. Write only on the back of the exam, not on the front
____ ____ 1. parenchyma cells which function in the protection in roots
____ ____ 2. non-conducting cell with a lignified wall (400x)
____ ____ 3. bark--show instructor where it begins and where it ends
____ ____ 4. living cells that provide mechanical support because of cell walls that are partially thickened
____ ____ 5. Chlorenchyma cells in a stem.
____ ____ 6. Cyanobacterium with a heterocyst
____ ____ 7. a secondary meristem developed from the dedifferentiation of parenchyma cells in the pith ray region (100x)
____ ____ 8. Oogonium in a non-photosynthetic thallophyte
____ ____ 9. a cell in which carbohydrates are translocated (400x)
____ ____ 10. a bundle sheath composed of sclerenchyma cells (100x)
____ ____ 11. Basidiole of a basidiocarp (10X)
____ ____ 12. phellum
____ ____ 13. the TOP VIEW of a xylem ray (400x)
____ ____ 14. primary xylem in a stem which is undergoing secondary growth
____ ____ 15. a primary meristem which will differentiate cells into the vascular system of a stem.
____ ____ 16. The one-celled meiosporangium of a photosynthetic thallophyte
____ ____ 17. Dikaryotic hyphae (10X)
____ ____ 18. Sporangium of a zygomycete
____ ____ 19. Summerwood
____ ____ 20. Sorus in a brown alga