I.  Potential Exam Questions for Introduction to Crop Science 2010

Warning: The following questions may be poorly worded and subjective. Exam questions will be worded differently. Exams may also contain questions not listed here.

  1. Name 5 important uses of plants.
  2. Name the 7 plant species which provide the most of the worlds' food?
  3. Indicate 2-3 aspects of plant science
  4. Define science.

  5. Name 4 characteristics of H2O that have implications for plants.
  6. Why is the heat stability of water important to plants?
  7. Name the most important energy exchange molecule.
  8. Name two simple sugars.
  9. Of what are starches and cellulose made?
  10. What kind of molecule is an enzyme? What does it do?

  11. Cell division can occur in 3 'planes' or dimensions. Describe the result of 3 or more divisions.
  12. What is the cause of the size increase of cells? (Volume)

  13. What is an organelle?
  14. Why do scientists think that mitochondria and chloroplasts may have lived independently from the cells at one time?

  15. Of what are chromosomes made? Of what is DNA made? Of what are nucleotides made?
  16. What is the function of DNA in the day-to-day life of a plant?
  17. Give an example on how proteins control plant functions.
  18. Name and basically define the two process involved in protein synthesis.
  19. Give a definition of a gene.

  20. Describe in very general terms what occurs in cell division
  21. What are the 3 stages of Cell Division.
  22. Define DNA replication.
    1. Describe the steps involved
  23. Indicate the main event that occurs during Interphase.
  24. Define Mitosis and Cytokinesis.

  25. Morphology refers to what?
  26. Name the 4 general morphological parts of a plant.
  27. What is plant Tissue?
  28. What two processes are responsible for Growth of the plant.
  29. From which type of tissue do all the cells in a growing plant come?
  30. Name the 4 meristem types discussed in class
  31. What is "differentiation"?

  32. Name the 4 types of Simple tissue and give a purpose of each.
  33. Name the 3 types of Complex tissue and give the primary purpose of each.
  34. What is the function of Stomates? Why are they needed?

  35. Give 3 functions that roots might have for plants.
  36. From where does the primary root originate?
  37. Two different styles of roots are found in plants, Name and describe them.
  38. Where specifically do root hairs ‘attach' to the plant? What do root hairs do for the root? (What good are they?)
  39. Draw and label a developing root tip.
    40. (Root cap, Apical Meristem, Zone of Elongation, Zone of Differentiation)
    1. What occurs in each area, and what is the purpose of the root cap?
  40. Name 5 kinds of Specialized (Modified) roots    


  41. What 4 purposes might a stem serve for plants?
  42. Name the 3 parts found on all stems.
  43. In what 2 locations on the ‘outside' of the stem are buds usually found?
  44. Where is the Xylem located with respect to the Phloem?
  45. Describe the differences in the general arrangement of the vascular system between monocots and herbaceous dicots.
  46. What is ground tissue?
  47. What is the technical name for Wood?
  48. Why do trees grow in width every year?
  49. Name 2 kinds of specialized stems and give an example of each.


  50. What is the primary function of leaves?
  51. Name the 2 morphological parts of most Dicot leaves. Name the 2 morphological parts of most Monocot leaves.
  52. At what part of the stem do leaves attach?
  53. What is a leaf axil?
  54. Describe the difference between a Simple and a Compound leaf.
  55. What are the 2 kinds of cells (tissue) often found in the mesophyll of Dicot leaves? Name the mesophyll cells found in grasses
  56. Aside from Ps, leaves some leaves are adapted for other functions. Name 4.
  57. What specific effects do Low water, Low Light and Low temps have on leaf development?



  58. What is the essence of Photosynthesis (The specific energy conversion) ?
  59. Write the basic Photosynthetic equation.
  60. What is chlorophyll? What does it do?
  61. Name and generally describe the two general processes of the Photosynthetic reaction.
  62. How are C-4 plants and C-3 plants different? 2 ways.
  63. What advantage do C-4 plants have with high sunlight?
  64. How are CAM plants and C-4 plants the same? How are they different?
  65. Why are CAM plants well adapted to desert regions?