1. Stern Intro Plant Biology Chapter 18

2. Question 1 Marine forms of green algae are an important part of the free-floating planktonic food chains. A. True B. False

3. Question 2 The one feature that all members of the Kingdom Protista have in common is that they are all unicellular. A. True B. False

4. Question 3 Diatoms and yellow-green algae are representatives of the Division Cryptophyta. A. True B. False

5. Question 4 Conceptacles are the coenocytic multicellular mycelia found in Chytrids. A. True B. False

6. Question 5 Red tide is caused by the sudden multiplication of dinoflagellates. A. True B. False

7. Question 6 Algin is used as a stabilizer and thickening agent used in commercial products. A. True B. False

8. Question 7 Water molds produce pseudoplasmodia that crawl like a slug. A. True B. False

9. Question 8 Which of the following algae is considered the indirect ancestor of today's land plants? A. Polysiphonia B. Ulothrix C. Coleochaete D. Dinoflagellates

10. Question 9 Which division of algae has the same pigments and reserve food as those of higher plants? A. Chlorophyta B. Rhodophyta C. Phaeophyta D. Chromophyta

11. Question 10 What is the name given to the type of sexual reproduction in which genetic information is passed through a tube formed between two algal filaments? A. transduction B. conjugation C. transcription D. fission

12. Question 11 Which of the following groups of organisms is characterized by the pigment, fucoxanthin, and bodies composed of a holdfast, stipe, and blade? A. Phaeophyceae B. Charophyta C. Chlorophyta D. Mastigobionta

13. Question 12 Which of the following divisions of organisms produce carposporangia and tetrasporangia? A. Myxobionta B. Oomycota C. Rhodophyta D. Dinophyta

14. Question 13 Another name for the Charophyta is A. slime molds. B. stoneworts. C. Chytrids. D. water molds.

15. Question 14 What is the name of the fan-shaped body of the slime mold? A. epiphyte B. papilla C. oogonium D. plasmodium

16. Question 15 Downy mildew of grape is caused by A. water molds. B. slime molds. C. green algae. D. chytrids.

17. 1. A2. B3. B4. B5. A6. A7. B8. C 9. A10. B11. A12. C13. B14. D15. A