Page 1 



1920 



BIOLOGY 



Friday, June 25 2 p.m. Two hours 



Answer two questions from each group and four additional questions which may be 

 selected from any of the groups. Number each answer to correspond with the question 

 selected. 



Group I 



1. Describe fundamental structural differences between a mold and a fern. 



2. Make a labeled diagram of the digestive system of some animal. 



3. Define the following terms and explain where each structure is to be found: 



stoma, nictitating membrane, cilium, stamen, chromosome, protoplasm, 

 petiole, pulsating vacuole, tentacle, endosperm. 



4. Describe the composition of the blood and explain what changes it undergoes 



in the lungs. 



5. Make a diagram showing the structure of a root and explain the function of 



each part. 



Group II 



6. Explain how a frog or toad is adapted for living in its environment during 



each stage of its life-history. 



7. Describe the process by means of which energy is stored up by a green plant. 



8. Name three animals which reproduce in a strikingly different way and 



explain each method. 



9. Distinguish between: (a) secretion and excretion; (b) absorption and 



digestion; (c) respiration and inhalation; (d) motion and locomotion; 

 (e) saprophyte and parasite. 



10. State the environmental conditions necessary for active life. 

 (THIS EXAMINATION IS CONTINUED ON PAGE 2) 



