Practice+Quiz+6

1. What is the largest group of bacteria? A. bad bacteria C. eukaryotes B. prokaryotes D. good bacteria

2. What organism can only reproduce inside a living cell? A. virus C. bacterica B. germs D. none of the above

3. What type of bactertia is round? A. bacilla C.spirlla B. cocci D. none of the above

4. The following are all characteristics of a bacteria EXCEPT? A. unicelluar C. reproduces indepentaly B. cell wall D. needs a host

5. Which of the following is a bacteria? A. black Plague C. AIDS B. smallpox D. common cold

and a F if the statement is false.**
 * For the following question write T if the statement is true

6. All bacteria are unicelluar. T/F

7. Vaccines can cure all viruses. T/F

8. The capsid is the protien coat of a virus. T/F

9.Bacteria reproduce three ways. T/F

10. Bacilla bacterias look like circles. T/F

11. All bacteria are prokaryotes. T/F

12. The process in which a virus destroys a bacteria is lyic. T/F

13. The tail fibers are used for attaching to cells T/F

14. All bacteria are bad for humans. T/F

15. Virus are unicelluar. T/F

16. All eukaryotes have a nucleus

that goes with the statement.**
 * For the questions below match the answers

17. RNA .............A. used to attach to cells

18. tail fibers....... B. substance inside the head of a virus

19. capsid........... C. used for movement

20. tail sheath...... D. protein coat protecting the virus

Answers 1.B, 2.A, 3.B, 4.D, 5.A, 6.T, 7.F, 8.T, 9.F, 10.F, 11.F, 12.T, 13.T, 14. F, 15.F, 16.T, 17.B, 18.A, 19.D, 20.C