Spring.wmf (18300 bytes) Plant Physiology (Biology 327)  - Dr. Stephen G. Saupe;  College of St. Benedict/ St. John's University;  Biology Department; Collegeville, MN  56321; (320) 363 - 2782; (320) 363 - 3202, fax;    ssaupe@csbsju.edu

  Seed Germination Lab:  Self Quiz

  1. Define germination.  

  2. Identify the requirements for seed germination.

  3. Compare and contrast quiescent vs. dormant seeds

  4. What�s the difference between germination rate and germination percentage?

  5. Compare and contrast irradiance and fluence

  6. What do the following acronyms represent: PAR?  PPFD?

  7. In what units did we measure irradiance?

  8. What is the relationship between light and distance?

  9. How much does it cost to run the lights for the duration of the RCBr experiment.  Assume that the experiment last 35 days and that the cost of electricity is $0.07/kw hr.

  10. Explain how the tetrazolium test for viability works.

  11. Assume that the germination of a lot of corn seeds is 85%.  What percent of the seeds would you expect to stain red with tetrazolium?

  12. Why did microwaving the maize grains for more than 30 s prevent them from staining?

  13. Which part of the maize grain stained and why?

  14. What is the scientific name of Fast Plants?

  15. Identify the optimum growing conditions for Fast Plants.

  16. What is Jiffy-Mix and why is it called a soil-less medium?

  17. Compare and contrast peat, perlite and vermiculite.

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Last updated:  01/07/2009     � Copyright  by SG Saupe