IQI5 



BOTANY 



Tuesday 4 . 1 5-6 . 1 5 p. m. 



A teacher's certificate covering the entire laboratory instruction must be presented 

 as a part of the examination. 



GROUP A. (Answer three questions.) 



1. (a) Name and briefly characterize the great groups or phyla of plants. 



(b) Name and briefly characterize one plant belonging to each of the 

 groups given above. 



2. (a) To what group do the algae belong ? (b) Name three algae that have 



been studied, (c) Outline the life-history of an alga with differentiated 

 sex organs. Illustrate by sketches. 



3. (a) How would you distinguish a fungus from an alga? (b) Name and 



give the life-history of a one-celled fungus. Illustrate by sketches. 



4. (a) What diseases of plants have you studied ? (b) Give a full discussion of 



one of them. 



5. Outline the life-history of a fern. 



GROUP B. (Answer three questions.) 



6. (a) Sketch a longitudinal section through a young root, (b) Name and give 



function or functions of all the parts shown. 



7. Give examples of five unusual or modified leaves and state in what way each 



is of use to the plant. 



8. Discuss the progressive development of sex, as shown in Pleurococcus, 



Ulothrix, Spirogyra, and Vaucheria or other related algae studied. 



9. Describe a simple flower and give the function of each part. 



10. (a) Give two functions of the fruit in angiosperms. (b) Name five fruits. 



(c) State what floral parts are represented in any three of the fruits 

 named. 



GROUP C. (Answer two questions.) 



11. (a) What is respiration? (b) In what parts of the plant does it take place? 



(c) What is its value to the plant ? 



12. Describe and illustrate by labeled diagrams the regions of growth in length 



and thickness in dicotyledonous stems and roots. 



13. Discuss the life of the deciduous trees in relation to the seasons. 



GROUP D. (Answer two questions.) 



14. (a) Discuss the advantages which are derived by plants through the culti- 



vation of the soil, (b) In what special way is a clover crop of value ? 



15. Explain the way in which fruit trees of known varieties are propagated. 



1 6. Name five commercial products derived from the forests, and explain how 



each of these is obtained. 



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