1920 

 ZOOLOGY 



Friday, June 25 2 p.m. Two hours 



Answer three questions from each group, and one additional question which may be 

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



Group I 



1 . Make a labeled drawing of the brain of some vertebrate and state the function 



of each part. 



2. Compare the body-plan of coelenterate, annelid, insect, and vertebrate. 



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



in the lungs. 



4. Describe with as much detail as possible some protozoan which you have 



studied in the laboratory. 



5. Name and locate the different kinds of cells found in the human hand. 



Group II 



6- Indicate the location of each of the following and discuss its particular 



function in animals: haemoglobin, pepsin, leucocyte, dentine, epithehum. 



7- Explain briefly Mendel's laws of heredity. 



8. Describe the methods of reproduction and regeneration in Hydra. 



9. Name two animals that meet winter conditions, (a) by hibernating; (b) by 



migrating; (c) by remaining active. Give reasons for each of these differ- 

 ences in behavior, 



10. Name the great branches or phyla of the animal kingdom and the important 



classes under each. 



Group III 



11. Name the principal animal parasites of man, and explain how each is injurious. 



12. Name some animal of economic importance in connection with each of the 



following articles of human use: cloth, varnish, leather, buttons, oil. 



13. How may insect pests be controlled by the use of other insects ? 



14. Mention the princijial food of each of the following: black snake, toad, 



pickerel, cicada, earthworm, bumblebee, starfish, skunk, gipsy moth, crow. 

 Which of these animals should be protected and which should be 

 exterminated ? 



15. Name eight animals, each belonging to a different order, that are of 



importance as human food. 



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