IQI5 



BIOLOGY 



Tuesday 4.15-6.15 p.m. 



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

 of the examination. 



GROUP A. GENERAL BIOLOGY. (Answer two questions.) 



1. Explain the principle of the balanced aquarium. 



2. Show how insects and flowers are structurally adapted to aid each other. 



3. Explain fully why animals have to travel about for their food while green 



plants do not. 



GROUP B. PLANTS. (Answer four questions.) 



4. Name and briefly characterize one plant belonging to each of the groups or 



phyla of the plant kingdom. 



5. Outline the life- history of a fern. 



6. (a) Describe a simple flower and give the function of each part, (b) Discuss 



the development of a fruit, emphasizing the changes in the parts of the 

 flower represented in it. 



7. (a) Discuss the advantages which are derived by plants through the cultiva- 



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

 the soil ? 



GROUP C. ANIMALS. (Answer four questions.) 



8. Name some animal that is concerned with human disease and explain the 



case clearly, together with means for controlling the disease. 



9. Describe the following structures and indicate the use of each to some 



particular animal: 



1. Gill-raker. 



2. Spiracle.- 



3. Proboscis. 



4. Cilium. 



5. Tentacle. 



10. Describe three types of animal reproduction, giving an example of each 



method. 



11. Name at least five different types of structures used for locomotion in the 



animal kingdom from ameba to man. 



12. Outline the life-history of a frog or of a butterfly. 



