IQ13 



BOTANY 



Monday 2-4 p. m. 



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

 of the examination. 



Answer any ten questions. No extra credit will be given for more than ten questions. 



1. Characterize briefly the great plant group to which each of the following 



belongs: an alga, a pine tree, a moss, a lily; and arrange these groups in 

 natural sequence. 



2. Name the principal organs of a flowering plant and describe the characteris- 



tics which fit each organ for its especial use to the plant. 



3. Compare by means of labeled diagrams in monocotyledonous and in dico- 



tyledonous plants: 



(a) the arrangement of fibrovascular bundles and 



(b) the parts of the flowers. 



4. (a) Describe an experiment to show the use of fibrovascular tissue in higher 



plants, (b) In what groups of plants is fibrovascular tissue present ? 



5. Name five plants belonging to different orders of seed-plants. Assign these 



to their respective families and state by what characters they are so 

 assigned. 



6. (a) Explain the importance of plant devices for scattering seeds, (b) Show 



the working of two such devices by drawing and description. 



7. (a) Explain the method of reproduction of bacteria, (b) Mention two ways 



in which bacteria affect man's welfare ? 



8. Show by means of labeled diagrams and descriptions the sporophytic phase 



in the life-history of algae, mosses, and ferns. 



9. Discuss the influence of light on plants. Describe an experiment showing 



the function of chlorophyll. 



10. Describe an experiment showing how land plants take water, and two ways 



in which they use it. 



11. Give a brief account of nutrition in plants. Describe experiments showing 



three sources of plant food. 



12. Tell some important facts about the lives of two eminent botanists and 



particularly what they contributed to botanical science. 



