1. PLANTS use ACTIVE transport PUMPS (Ex: Proton pumps) in a variety of ways. Describe 4.


2. Name a plant group that needs water for its flagellated sperm in order to reproduce.


3. Name the cell layer partially coated with waxy subarin that prevents water from moving through the apoplastic route and forces it to move through the symplastic route INTO THE XYLEM.


4. Name the connections between plant cells that allow water to flow through the symplastic pathway.


5. The expression “One bad apple can spoil the whole bunch” is based on the hormone that causes fruit to ripen. Name this hormone.

6. Tell how this hormone is different from all the other plant hormones you learned about.


7.  Why is magnesium important to plants?

8. Explain what double fertilization means.

  9. Which group of plants shows this trait?


10. In plants
Gametophytes make __________ using __________
Sporophytes make ___________ using __________


11. Name two structures that increase water uptake by plant roots.


12. Tell 3 ways monocots and dicots are different.

13. Give the function of endosperm.


14. A multicellular sporophyte form that is dominant and independent from the gametophyte when mature is seen in which group of plants?


15.  Which plant parts shows negative phototropism?


16. Name the light-absorbing protein responsible for plant's response to photoperiod.



17. Name the three phases of the signal-transduction pathway.



18. Explain why short day plants should really be called LONG NIGHT PLANTS.



19.  Cells in which type of plant tissue are living but lack nuclei, vacuoles, and ribosomes when mature?



20.  Name the basic kind of plant cell that can differentiate into other types of cells.


21. Name the plant hormone that stimulates stem elongation, root growth, enhances apical dominance, and functions in photoperiodism and gravitropism.


22.  Companion cells are found associated with _________________ cells.
                                                                        xylem    phloem


23. Name the process by which nitrogen gas in the atmosphere is changed into ammonia in the soil.


24. Which organisms are responsible for this process?


25. All of the following are 1n EXCEPT  ___________________


26. In plants the archegonia produces __________
                                                        eggs   sperm.



27. In an angiosperm flower the female parts include which of the following?

                 carpel         sepal          stamen        petal


28. In an angiosperm, a mature ovary is called a _______
         pollen grain      ovule       fused carpel        fruit         seed


29. Ginkos, cycads, and conifers are “naked seed” vascular plants called ____________.


30. Which has a lower water potential, plant root cells or air spaces in leaf mesophyll cells?