414 EXAMINATION PAPERS 



4. Describe the various stages in the opening of the bud of 

 some tree. 



5. What is respiration and what purpose do you suppose it 

 serves in the life of the plant ? How would you prove that 

 germinating peas respire ? What do you know of the respira- 

 tion of green leaves in the light ? 



6. What is an insectivorous plant ? Mention three native 

 insectivorous plants and sketch and describe one of them. 



7. Describe and compare, with careful sketches, the pollina- 

 tion of two flowers, one of which is pollinated by the wind and 

 the other by insects. 



8. What are the advantages and disadvantages of climbing 

 as compared with the manner of growth of ordinary plants ? 



Describe three different ways in which plants may climb. 



UNIVERSITY OF DURHAM 



Matriculation Examination, Sept. 191 1 



1. Write a short account of some one flower which you 

 have studied, and explain briefly the functions of its various 

 members. 



2. Describe carefully the structure of syncarpous and 

 apocarpous fruits. Give examples of some common fruits 

 which come under these heads. 



3. Explain clearly how starch is formed in the Potato tuber, 

 and the source from which this substance is derived. 



4. By what experimental evidence can it be shown that 

 a healthy shoot is continually absorbing water ? How is the 

 rate of absorption influenced by exposure to light or darkness ? 



5. Contrast the external forms of plants grown in darkness, 

 in shade, and in full illumination. 



6. Enumerate and briefly explain the principal means 

 whereby plants are able to climb, and explain the advantages 

 which accrue from a climbing habit. 



7. Explain clearly the meaning of the knots and lines which 

 are present in a deal board. 



8. Describe as fully as you can the external appearances of 

 the roots of annual and biennial plants. 



