These questions will be similar to the ones on Test 5 (Chapters 17, 18, 25 and 26).
1). Give the genus and species name of a rod-shaped bacteria:
________________ __________________
2). The outside of a Gram positive bacteria is:
a) peptobismol b) cell membrane c) peptidoglycan d) pepsin
3). Give an example of a genus of Halophile: _________________________
4). What is a commercial use for the bacteria Thermus? ________________
5). How do antibiotics like Penicillin kill bacteria?
____________________________________________________________________
6). An organism that takes in carbon dioxide and makes organic molecules
using energy from inorganic compounds is called a:
a) chemoautotroph b) photoautotroph
c) chemoheterotroph d) photoheterotroph
7). Sex pili are used to transfer genes from one bacteria to another in:
a) binary fission b) transduction
c) conjugation d) collaboration
8). Which genus of bacteria listed below grows best at 70 - 100 oC?
a) Pyrococcus b) Halobacterium
c) Methanosarcina d) Escherichia
9). "Red tides" are caused by large numbers of:
a) dinoflagellates b) zooflagellates
c) green algae d) diatoms
10). The genus Dictyostelium is used commercially for : ________________
__________________________________________________________________
11). What type of carbohydrate do red algae (Rhodophyta) store ?
a) plant starch b) leucosin
c) glycogen d) floridean starch
12). List the two classes of Actinopods and give a brief description :
Class : ______________ ; _________________________________________
Class : ______________ ; _________________________________________
13). Myxomycota are called ___ and are usually orange or yellow.
a) slime molds b) mushrooms
c) slime balls d) edible seaweed
14). Diatoms are buoyant because they store energy as _______
as well as leucosin.
15). Coral reefs obtain most of their food from two phyla of algae :
a) rhodophyta and dinoflagellates b) chlorophyta and rhodophyta
c) chlorophyta and diatoms d) diatoms and dinoflagellates
16). What is unusual about the genus Pfiesteria ? _____________________
__________________________________________________________________
17). What are two commercial uses for diatomaceous earth:
_________________________________________________________________
18). The genus Ulva (sea lettuce) is in the phylum:
a) Bacillariophyta b) Chlorophyta
c) Dinofalgellate d) Rhodophyta
19). What is meant by "transduction"?__________________________________
20). The oldest fossils of archaebacteria date back:
a) 3.5 million years b) 3.5 billion years
c) 3.5 trillion years d) 3,500 years
21). What human disease is caused by Trypanosoma cruzi?
_____________________________________
22). What are three commercial uses for algin?
___________________________________________________________________
23). What is the average pH of rain in Jacksonville?
a) 2.5 b) 3.5 c) 4.5 d) 5.5
24). Which biome covers most of the eastern US, south of the Great Lakes?
________________
25). What percentage of the earth's surface is tropical rainforest?
a) 5% b) 10% c) 15% d) 20% e) 25%
26). What are two characteristics of tundra?
___________________________________________________________________
27). After a forest is clearcut, the plants return in a ____ succession.
a) primary b) secondary c) tertiary d) quaternary
28). Spartina cord grass is characteristic of:
a) taiga b) grasslands c) swamp d) marsh
29). If a mouse eats a grasshopper, the mouse is a:
a) producer b) secondary consumer
c) primary consumer d) tertiary consumer
30). Why does it matter if a species becomes extinct? _________________
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