ven2final2007_practice_08

ven2final2007_practice_08 - VEN 2 FINAL EXAM The following...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
VEN 2 FINAL EXAM December 11, 2007 The following True/False questions are each worth one point. Place an A for True and a B for False on your answer sheet. True False 1. ____ ____ Sucrose is the major sugar translocated within the vine but is only a very small fraction of the total soluble sugars found in the berries at harvest. 2. ____ ____ About 10% of the light that strikes a grape leaf blade is transmitted through it. 3. ____ ____ Approximately 50% of the water in the soil at field capacity is available to the plant. 4. ____ ____ During respiration oxygen is consumed (taken up) and carbon dioxide is given off. 5. ____ ____ Any green tissue of the grapevine has the ability to photosynthesize. 6. ____ ____ The tiny wasp that is a very effective egg parasite of the grape leafhopper is also very effective against the variegated leafhopper. 7. ____ ____ Any Thompson Seedless grape that has been grown without the use of chemicals and dried can be called a “natural” raisin. 8. ____ ____ The light reactions of photosynthesis are involved in the conversion of light energy into chemical energy. 9. ____ ____ Layering is a means to replace a missing vine in the vineyard only if the vineyard is planted on its own roots. 10. ____ ____ Carbohydrates will be utilized by the vine during the winter for respiration (temperature permitting - not below 10 o C). 11. ____ ____ A lateral shoot is usually used to form the trunk of the vine. 12. ____ ____ Callus formation at a graft union is a wound response by the vine. 13. ____ ____ Soil pH will influence the availability of mineral nutrients, in the soil profile, to the vine. 1
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Environmental conditions will affect the rate of grapevine leaf photosynthesis. Indicate whether the below listed factors will increase ( A ), decrease ( B ) or have no effect ( C ) on photosynthesis under the following conditions. 14. Increasing wind speed ____ 15. Decreasing light levels from full sunlight to two-thirds of full sunlight ____ 16. Increasing temperature from 10 to 25 o C ____ 17. High ozone concentration ____ 18. Increasing temperature from 40 to 45 o C ____ 19. Which of the below is generally not used to determine when to harvest wine grapes. A. sugar/acid ratio B. pH C. berry size D. titratable acidity E. none of the above 20. At what stage of berry growth will a Flame Seedless grape grower apply gibberellic acid (GA 3 ) in order to increase cell division and therefore increase berry size? Answer the following questions indicating whether the process increases ( A ) or decreases ( B ).
Image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern