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BOTANY QUESTIONS-2


Posted Date: 27 Apr 2008    Resource Type: Articles/Knowledge Sharing    Category: Education
Posted By: CONFIDENCE IS THE COMPANION OF SUCCESS       Member Level: Diamond
Rating:     Points: 5



1). At the end of glycolysis, glucose has been broken down into :
a) pyruvic acid b) carbon dioxide c) oxygen d) protein


2). The Calvin cycle of photosynthesis uses up ___ from the light reactions
a) ATP and NADH b) ATP and NADPH c) ATP only d) NATP


3). What type of plants are common in cold climates?
a) C3 b) C4 c) C5 d) CAM


4). How many carbon atoms are there in a molecule of pyruvic acid?
a) 3 b) 6 c) 8 d) 12 e) 1


5). Fermentation in plants produces __________, and in animals ___________


6). How many molecules of carbon dioxide are needed in photosynthesis to
produce one glucose molecule?
a) 4 b) 6 c) 2 d) 12 e) 3


7). What are two groups of organisms that carry out photosynthesis,
apart from plants?
_______________________________ and ___________________________


8). Carbon dioxide enters the leaf through small holes called _____________


9). Which part of photosynthesis splits water?
a) light reactions b) dark reactions
c) Calvin cycle d) Citric acid cycle


10). Which category in classification comes between Phylum and Order?
a) kingdom b) genus c) family d) class


11). Which Kingdom has organisms that are heterotrophic, and the cell walls
have chitin?
_________________

12). What is a dichotomous key used for?
______________________________________________________________________


13). Give the genus and species name of a rod-shaped bacteria:
________________ __________________


14). The outside of a Gram positive bacteria is:
a) peptobismol b) cell membrane c) peptidoglycan d) pepsin

15). Give an example of a genus of Halophile: ___________________________

16) What is a commercial use for the bacteria Thermus? _________________

17) How do antibiotics like Penicillin kill bacteria?
______________________________________________________________________

18) 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

19) Sex pili are used to transfer genes from one bacteria to another in:
a) binary fission b) transduction
c) conjugation d) collaboration

20) Which genus of bacteria listed below grows best at 70 - 100 oC?
a) Pyrococcus b) Halobacterium
c) Methanosarcina d) Escherichia

21). "Red tides" are caused by large numbers of:
a) dinoflagellates b) zooflagellates
c) green algae d) diatoms


22). The genus Dictyostelium is used commercially for : _________________

____________________________________________________________________


23). What type of carbohydrate do red algae (Rhodophyta) store ?
a) plant starch b) leucosin
c) glycogen d) floridean starch


24). List the two classes of Actinopods and give a brief description :

Class : ______________ ; ___________________________________________

Class : ______________ ; ___________________________________________


25). Myxomycota are called ___ and are usually orange or yellow.
a) slime molds b) mushrooms
c) slime balls d) edible seaweed


26). Diatoms are buoyant because they store energy as _______
as well as leucosin.


27). 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


28). What is unusual about the genus Pfiesteria ? _______________________

____________________________________________________________________


29). What are two commercial uses for diatomaceous earth:

_________________________________________________________________


30). The genus Ulva (sea lettuce) is in the phylum:
a) Bacillariophyta b) Chlorophyta
c) Dinofalgellate d) Rhodophyta



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