Download Autumn Examinations 2010/2011: BT317 Aquatic Plant Science and more Exams Botany and Agronomy in PDF only on Docsity!
Autumn Examinations 2010/
Exam Code(s) 3BS9, 3EH2, 3MR3, 1OA Exam(s) Third Science (Undenominated) Third Science (Earth and Ocean Sciences) Third Science (Marine Science) Visiting Students, Erasmus Students Module Code(s) 3BS9–BT317, 3EH2–BT317, 3MR3–BT317, 1OA1– BT317, 1EM1–BT Module(s) BT317: Aquatic Plant Science Paper No. Repeat Paper External Examiner(s) Professor M. Jones Internal Examiner(s) Professor C. Spillane Dr D. Stengel Dr Z.A. Popper
Instructions: Answer four questions , at least one from each section.
Use a separate answer book for each section. Duration (^) 3 hours No. of Pages 2 Discipline(s) Botany and Plant Science Course Co-ordinator(s) Dr M.Sheehy Skeffington Requirements : None MCQ Release to Library: Yes √ No Handout Statistical/ Log Tables Cambridge Tables Graph Paper Log Graph Paper Other Materials
Section A
- Describe the natural sources, the production and the uses of Agars.
- Describe the economic importance of the fucoid Ascophyllum nodosum in Europe, outlining the different techniques used in its harvesting in different countries. Which biological features are important for the sustainable exploitation of the species?
- Write a brief essay on coralline algae such as Maërl, specifically focussing on their ecology and potential utilisation.
- Describe the different methods that can be used to cultivate macroalgae (seaweeds). Illustrate your answer by referring to at least one species that is cultivated using each approach. What are the advantages and disadvantages of each?
Section B
- Drawing on data from studies on growth and enzyme synthesis, diagram and discuss an overall model for gibberellin action in barley aleurone cells.
- Describe the methods that may be used to genetically transform plants.
- Giving examples, discuss allelopathy and the role that it plays in plant survival.
- What is the acid growth hypothesis of auxin action, and what is the evidence that supports it?
