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ARHOLIADAU EXAMINATIONS
SEMESTER 1 EXAMINATIONS 2010
IBERS (BIOLOGICAL SCIENCES)
BS00410 BIOLOGICAL ORGANISATION & DESIGN
TIME ALLOWED: TWO HOURS
ANSWER ALL QUESTIONS FROM SECTION A IN THE SPACE PROVIDED ON
THE QUESTION PAPER, AND ANSWER SECTION B IN THE SEPARATE ANSWER
BOOK
Rhif Cyfeirio’r Myfyriwr/ Student Reference Number: ……………………………………………
Dyddiad/Date ………………………………………………
Ystafell Arholiad/Examination Room ………………………………………………
Rhif y Sedd/Seat Number ………………………………………………
- Please give the information requested above and enter your name in the space provided at the top right of this page. If your answers are to be marked under a scheme approved by the College whereby the examiners will not know your identity, fold over and seal down the top right-hand corner (using the gummed slip provided) in order to conceal your name.
- The answers must be legibly written. The Examiners can either ignore illegible script or have it typed and the expense of typing charged to the candidate.
- Write your answers in ink.
- This paper must be handed in complete.
- If you leave the examination early, please do so quietly so as not to disturb other candidates. 1. Rhowch y wybodaeth angenrheidiol yn y blychau uchod a rhowch eich enw yn y man gwag ar dop y tudalen ar y dde. Plygwch a seliwch y cornel ochr dde ar dop y tudalen (gan ddefnyddio’r slip gludiog a ddarperir) er mwyn cuddio eich enw. 2. Rhaid i’r atebion fod wedi eu hysgrifennu’n glir. Gall yr Arholwyr nail ai anwybyddu sgript annealladwy, neu drefnu i’w theipio a chael yr ymgeisydd i gwrdd â chost y gwaith. 3. Ysgrifennwch eich atebion mewn inc. 4. Ni ddylid torri allan unrhyw ran o’r llyfr hwn; rhaid ei ddychwelyd mewn ffurf gyflawn. 5. Os ymadewch â’r ystafell arholi yn gynnar, gwnewch hynny’n dawel os gwelwch yn dda rhag aflonyddu ar ymgeiswyr eraill.
Fold over and stick down/plygwch y gornel drosodd
Cyfenw/Surname .............................................
Enwau Cyntaf/ Forenames ......................................................
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PART A
Short questions 60 marks (Suggested time allocation 75 minutes)
Annotated diagrams/sketches can be used to support any of your answers.
- Movement is a characteristic of living things. Discuss the differences in movement between plants and animals. (8 marks)
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- Why is the ventilation of human lungs and gills of fish essential? In answering that question explain also how ventilation is achieved. (8 marks)
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- The type of nitrogenous waste excreted differs between aquatic and terrestrial animals. Discuss this statement using named examples. (8 marks)
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- Briefly explain the difference between autotrophic and heterotrophic modes of nutrition. Explain the terms holozoic, parasitic and saprophytic types of nutrition, giving an example for each. (8 marks)
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- The modern system of classification has five Kingdoms. a) Name the five Kingdoms and an example organism for each. b) Name the Kingdom, Phylum and Class for a tiger. c) According to the binomial system, the tiger is named PANTHERA TIGRIS. Name the taxonomic levels represented by each of the words in its scientific name and write them out correctly. (4 marks)
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PART B
Seen Essay to be written under exam conditions 40 marks (Suggested time allocation 45 minutes)
Essay title: ‘Compare gas exchange in an earthworm, an insect and man.’ (40 marks)
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