wset3 试题unit 2 multiple choice mock questions_W

1、AWSWCWSET Level 4 DiplomaUnit 2 Multiple Choice Mock QuestionsCircle the correct answer1. A wine region has a heat summation of 1300C degree day, what grapes would be best suited to this area?a Riesling and Pinot Noirb Cabernet Sauvignon and Merlot cZinfandel and ShirazdNero dAvola and Tinta Roriz2.

2、 What is the growing season temperature range for a moderate climate? a14-16Cb16.5-18.5Cc18.5-21Cd21-25C3. How many growing degree days (GDD) in April if the average temperature is 20C, according to the Amerine and Winkler Degree Day system:a150b200c250d3004. In a regular year what is the maximum de

3、gree of enrichment permitted in Zone C1 for a red wine?a+3.5% up to 11.5%b+2.5% up to 12%c+2% to 12%d+2% to 12.5%5. In a particularly poor year what is the maximum amount of de- acidification permitted in Zone A?a-2 g/lb-1.5 g/lc-1 g/ld-0.5 g/lCopyright 2012 AWSEC. All rights reserved.166. What is t

4、he legal minimum potential % abv of a Crozes-Hermitage?a7.5%b8%c8.5%d9%7. To what degree is it legally permitted to acidify in Hungary? a0 g/lb+1 g/lc+2 g/ld+2.5 g/l8. Which of the following statements regarding the effects of severe water stress on the vine are NOT true?aIncreases flavour concentra

5、tion bReduces nutrient supplyc Wilts vine cellsd Increases the likelihood of sunburn9. A vine in Bordeaux planted at 7,000 vines per hectare, receiving 700mm rain will have how much water available to meet its needs?a1000Lb 700 Lc 750Ld 500L10. Whichofthefollowingactionswouldcompensateforslow photos

6、ynthesis in cool temperatures?a Leaf-pluckingb Cultivationc Organic fertilsersd Increasing the leaf area and canopy11. Which of the following best describe the styles of red wines produced in cool, sunny wine regions?aHigh alcohol, unripe tannins bHigh alcohol, ripe tanninscModerate alcohol, unripe

7、tannins dModerate alcohol, ripe tannins12. What is considered the minimum number of hours of sunshine required by Vitis Vinifera to produce ripe fruit?a1,250b1,350c1,450d1,50013. An increase in altitude of 200m above sea level would have which of the following effects?1 Later budburst and flowering2

8、 Increase the cooling effects of wind exposure3 Decrease temperature by 1.2 C4 Increase soil drainagea 1 and 2b 1,2 and 3c 2, 3 and 4Which of the following statements regarding clay are NOT true? Retains moistureProne to mineral deficiency CoolProne to crackingLoam is a balanced mixture of which of

9、the following soils? Clay, silt, limestoneSilt, gravel, chalk Granite, clay and sand Clay, silt, sandGood soil structure requires what percentage of organic content? 1-3%3-10%11-15%15-20%Which of the following can be the result of poor soil structure? SievingErosionPoor drainage Poor aeration1 and 2

10、2 and 32, 3 and 4 ALLd ALL14.a b c d15.a b c d16.a b c d17.1234a b c d18. Which of the following statements regarding soils with high humus content are NOT true?aHigh water-holding capacity bGood soil structurec Increases ability to reflect heatd Retains and gradually releases nutrients19. Which of

11、the following soil nutrients regulates the flow of water and sugar in the plant?a Calciumb Nitrogenc Magnesiumd Potassium20. Which of the following statements regarding nitrogen are NOT true? aEncourages shoot growthb Regulates internal acidityc A major constituent of plant cell proteins dA major co

12、nstituent of plant hormones21. Which of the following viticultural conditions can produce high quality fruit?1 Dense planting, small vines, on infertile soils2 Low density planting, big vines, on fertile soils3 Dense planting, big vines, on fertile soils4 Low density planting, small vines, on infert

13、ile soilsa 1 and 2b 2 and 3c 1 and 3d 1, 2 and 422. Which of the following statements regarding acid soils are NOT true? aAre encouraged by cultivationb Increase the risk of chlorosisc Increase aluminium availability to the root system dAre not tolerated by grapevines below pH 523. Which of the foll

14、owing statements regarding vines of 4-6 years old are true?a Hold high carbohydrate reserves b Have limited vigour shoot growth c Has an extensive root systemd Is incapable of high quality fruit production24. Which of the following species is noted to have a high calcium tolerance? aVitis Rupestrisb

15、 Vitis Ripariac Vitis Berlandierid Vitis Labrusca25. When taking cuttings for propagation it is important that the wood is:1 Collected in spring or summer2 Well ripened3 30-45cm in length4 Stored at 5C prior to graftinga 1 and 2b 2 and 3c 1 , 2 and 4d 2, 3 and 426. Which of the following statements

16、regarding Pinot Blanc are NOT true? aBlended with Auxerroisb Low disease and pest resistancec Can give good quality at high yieldsd Is grown mainly in Alsace and NE Italy27. For which of the following varieties is it difficult to achieve flavour- ripeness at moderate alcohol levels?a Rieslingb Pinot

17、 Blancc Chardonnayd Gewurztraminer28. Which of the following statements regarding the Muscat grapes are NOT true?a Resistant to fungal diseasesb Often made sweet and fortified cCan be suitable for ageingdLow-medium acid29. Which rootstock is most suitable to be planted in damp conditions? aVitis Rup

18、estrisb Vitis Labruscac Vitis Ripariad Vitis Berlandieri30. Which of the following combinations of rootstock and viticultural condition is the most suitable?aHigh vigour rootstock in high density plantings bWeak vigour rootstock in cool climatecHigh Vigour rootstock on fertile soils dWeak vigour roo

19、tstock in hot climate31. Which of the following is the main weakness of rootstock AXR1?a Poor lime toleranceb Poor phylloxera tolerance cSensitive to droughtdSensitive to colure and compact soils32. Which of the following roostock parentages are surface or semi-surface rooting?a Riparia x Rupestrisb

20、 Rupestris x Berlandieri cRiparia x BerlandieridBerlandieri x Rupestris33. The rootstock Dog Ridge is known for which attribute? aNematode Resistanceb Drought Resistancec Phylloxera Toleranced Low vigour34. Which of the following statements regarding planting are NOT true? aThere is little direct co

21、rrelation between high density planting andqualitybThe poorer the soil, the higher the density should be to achieve balance cLarge vine root systems are suited to small canopiesdOn high potential sites, lower vine density is preferable35. Which of the following statements regarding alley widths are

22、NOT true? aShould be narrower than the height of the canopy to be beneficialb Narrow alleys increase the total canopy area, enabling maximum sunlight capturec Can have windbreak advantagesd The wider the alleys, the greater the distance between plants should be36. Which of the following statements r

23、egarding vine trellises are true? aLower trellises reduce frost riskb Single wire training is suitable for a high potential sitec Geneva Double Curtain is suitable for high potential sites dBush vines are labour efficient37. During site preparation Gypsum can be added to soil for what purpose? aGyps

24、umb Glyphosatec Calcited Dolomite38.Which of the following is NOT a disadvantage of mulching?a b c dIncreased frost risk Promotes superficial rootingWeeds develop at the base of the plant and are difficult to control Increased risk of water stress39.Which of the following statements regarding winter

25、 pruning are true?NOTa b c dReduces leaf bunchingIncreases the capability of capturing the maximum amount of light Mature vines should be left with fewer budsYoung vines under 8 years should be left with more buds40.Which of the following is NOT true of highly shaded canopies?a b c dReduced floral i

26、nitiation, fertilisation and fruit set Increase risk of fungal diseaseIncreases over-cropping reducing fruit quality Increases respiration rate41.Which of the following techniques will not control excessively vigour in high potential sites?higha b c dWater stressCover-cropping in alleys High density

27、 planting Green harvesting42. Which of the following statements regarding Minimal pruning are true?a Increases Yieldb Increases qualityc Increases water-stressd Increases vegetative growth43. Which of the following is NOT a characteristic of Cordon/Spur systems in comparision to replacement-cane sys

28、tems?a Easier to pruneb Vines have higher carbohydrate reserves cDecreased vigourdMore protective against frost damage at bud-break44. Which of the following summer training techniques must be done around veraison?a Trimmingb Shoot-positioningc Tucking ind Green harvesting45. A deficiency in which o

29、f the following nutrients will NOT cause chlorosis?a Calciumb Magnesiumc Nitrogend Iron46. Whichofthefollowingelementdeficiencieswillnotcauseleaf yellowing?a Manganeseb Zincc Irond Magnesium47. Which of the following seasons is most appropriate time to add Nitrogen additions to the soil?a Winterb Sp

30、ringc Summerd Autumn48. Which of the following is a disadvantage of soil cultivation? aSoil compactionb Increased disease riskc Increased nitrogen leachingd Decreases soil evaporation in damp climates49. Which of the following is an advantage of Ground cover planting?a Reduces humidity of the microc

31、limateb Warms microclimate encouraging ripening cReduces the risk of spring frostdEncourages deep rooting in vines50. WhichofthefollowingirrigationsystemsareNOTsuitablefor moderately sloped vineyards?a Furrowb Dripc Under-canopy systems dFixed overhead sprinkler51. Mild water stress or controlled de

32、ficit should be encouraged at what stage of the growing season?a Veraison- Maturationb Flowering- pre-Veraison cPre-BudburstdBudburst- Flowering52. Sulfur treatment is NOT effective against which of the following vine challenges?a Phomposisb Red spider mitec Oidiumd Pierces disease53. Where is the l

33、ightbrown apple moth most prevalent? aNew Zealand and Australiab South Americac Californiad Europe54. In EU Zone C, what is the maximum level of acidification allowed? a1 g/ Lb 2.5 g/Lc 3 g/Ld 3.5 g/ L55. Which of the following is sometimes found in wood, and produces a band-aid (plaster) or farmyar

34、d aroma?a Brettanomycesb Volatile Acidityc Oxidationd Trichloroanisole56. Between what temperatures are microorganism growth increased? a15-30Cb20-35Cc25-40Cd35-40C57. In order to retain fruit esters, which fermentation temperature is ideal for aromatic white wines?a8-10Cb11-13Cc16-18Cd18-20C58. The

35、 carbonic maceration process lasts a10 hoursb 48 hoursc Up to 6 daysd 7-21 days59. Which of the following bottling treatments renders the wine sterile?aCold surface membrane filtration bFlash pasteurisationc Tunnel pasteurisationd Inert gas treatment60. Which of the following is the highest quality

36、juice clarification method? aFlotationb Cold settlingc Diatomaceous earth filtration dCentrifugation61. Which of the following gases are used to encourage yeast growth? aCarbon dioxideb Argonc oxygend Nitrogen62. Which of the following is a means of treating excess or unstable tartrates?a Ascorbic a

37、cidb Citric acidc Metatartaric acidd Potassium ferrocyanide63. Which of the following is the correct EU legal definition of residual sweetness for a dry, sparkling wine?a Less than 6 g/L if not exceeded by TA by more than 2 g/L b Less than 9 g/L if not exceeded by TA by more than 2 g/L c 6-15 g/Ld 1

38、7-35 g/L64. Which of the following conditions can encourage microbial spoilage?1 High alcohol levels2 High temperatures3 Low pH4 Amino acids and vitaminsa1 & 2b1 & 3c2 & 4dAll of the above65. The Sulphur dioxide level of a dry red wine under EU law must be no greater than what level?a 150 mg/Lb 180

39、mg/Lc 200 mg/Ld 210 mg/L66. Gum Arabic should only be used as a tartrate stabilisation agentaFor wines that have undergone MLF bFor red winescFor a wine which will undergo ion exchange or electro-dialysis dFor a wine which is destined for consumption within 12 months67. Which of the following condit

40、ions ensure optimum growth and activity of Lactic acid bacteria?a Temperature 23-26Cb pH between 3.3-3.5c Residual sugard High alcohol wines68. Excess iron in red wines may be eliminated by aCalcium PhytatebPotassium ferrocyanide cCopper sulphated 69.a b c d70.a b c d71.a b c d72.a b c dBentoniteWhi

41、ch of the following bottling techniques heats the wine to 55C for an extended period?Sterile Filtration Flash Pasteurisation Tunnel Pasteurisation Thermotic BottlingWhich of the following is NOT one of the 3 main halo-anisoles that may cause “musty” odours in wine?TCA TeCA TDA TBAWhich of the follow

42、ing acids can be metabolised by lactic acid? Citric acidSorbic acidTartaric acid Metatartaric acidWhich of the following may be used in association with a protein-based fining agent such as gelatine or isinglass to aid flocculation?Tannin PVPPCharcoal Silica Sol73.a b c d74.a b c d75.a b c d76.a b c

43、 d77.a b c d78.a b c d79.a b c dWhen during the winemaking process is it most effective to add oak chips?Pre-fermentation During fermentation Post-fermentation A week pre-bottlingWhich of the following gases are most commonly used to sparge a wine?Carbon dioxide Nitrogen OxygenArgonDuring maturation

44、 at what level must free sulphur dioxide be kept to achieve protection from oxidation?At least 5 mg/l At least 10 mg/l At least 15 mg/l At least 20 mg/lAt what percentage alcohol are VDNs usually fortified? 4%5%6%7%Which of the following cap management methods can easily lead to over-extraction?Subm

45、erged cap process RotovinificationRack and return Punching downWhich of the following acids may form hydrogen peroxide if not used in the presence of sulphur dioxide?Metatartaric Acid Citric Acid Sorbic Acid Ascorbic AcidTo raise the level of alcohol by 2% by volume of a white wine, would require ho

46、w much enrichment in sugar per litre?32 g/l34 g/l35 g/l38 g/l80.a b c d81.a b c d82.a b c d83.a b c d84.a b c d85.a b c d86.a b c dAccording to EU law the total sulphur dioxide in a dry white wine must not exceed what level?210 mg/l260 mg/l280 mg/l300 mg/lWhich of the following fining agents is used

47、 to reduce colour and off- odours?Tannin Carbon Isinglass BentoniteWhich of the following are NOT true regarding Reverse Osmosis? Concentrates grape mustsCan be used to increase the final alcohol of the wine Decreases high levels of acetic acidIs efficient, automated, but expensiveAt what percentage

48、 level does alcohol inhibit most microbes, including most yeasts?13C+14C+15C+16C+Which of the following reasons explains why brettanomyces is rare in white wines?Lower alcohol Lower PhLower fermentation temperatures Lower phenolic contentWhich ofthefollowing is atechnical corkthat hasundergone super

49、critical carbon dioxide treatment to remove TCA?TwinTop Nomacorc Integra DIAMHow frequently is a red wine racked when it is maturing in cellar? Every 1-2 monthsEvery 3-4 monthsEvery 5-6 months Annually87.ab c d88.a b c d89.a b c d90.a b c d91.a b c d92.a b c dWhich of the following statements regard

50、ing centrifugation is not true?Can be used to remove yeasts during fermentation to slow down the alcoholic fermentationFacilitates tartrate stabilisationCompletely eliminates dense particles like grape pulp Is a quick processWhich of the following methods would be most suitable, and most financially viable to use to stabilise tartrates in a high quality, age- worthy Riesling?Gum Arabic Metatartaric Acid Cont