Note: This is a copy of a sample exam from a previous year, therefore the exam for this year may vary in form and content.

MATERIAL COVERED: BEGINNING THROUGH THE KINGDOM PROTISTA

Exam I - Life Cycles to Know:
 1 - Zygomycete - bread mold
 2 - Ascomycete
 3 - Basidiomycete - common mushroom
 4 - Selected structures - Oomycete, general rust - wheat stem rust
 5 - Red alga - Polysiphonia
 6 - Brown alga - Fucus


BIOLOGY 205 GENERAL BOTANY SAMPLE EXAM I Check the appropriate answers. The number of incorrect answers will be subtracted from the number of correct answers. Only good guesses count. 1 point each. 1 - Which of the following statements does not apply to prokaryotic organisms? ____ organized nucleus ____ the most abundant organisms ____ do not contain endoplasmic reticulum ____ contain small mitochondria 2 - In the growth of bacterial cells: ____ aerobic species grow more rapidly in the presence of oxygen ____ the tetanus toxin is produced under an aerobic condition ____ low temperature (freezing) generally kills the cells ____ budding is the primary means of asexual reproduction ____ division is reduced in the presence of 80% ethyl alcohol ____ the cells do not rapidly reproduce under acid conditions ____ high salt concentration is required 3 - In the practical applications of bacterial systems: ____ Proprionic acid is produced in camembert cheese ____ lactobacillus coagulates milk proteins ____ heat is produced in compost formation ____ sugar is fermented to produce beer 4 - The basic structure of bacterial cells: ____ includes the coccus type which is rod-shaped ____ includes peptidolipids ____ includes peptidotglycans ____ contains cellulose ____ takes up stain color in gram positive organisms 5 - Bacterial reproduction which involves genetic recombination: ____ may involve flagellae ____ may involve pilli ____ involves conjugation ____ includes fission ____ may involve bacteriophages 6 - Autotrophic organisms ____ are usually parasites ____ may accumulate sulfur in cells ____ may fix nitrogen ____ may obtain energy from the oxidation of inorganic molecules ____ always are photosynthetic 7 - In nitrogen fixation ____ reduced nitrogen is formed ____ nitrate is formed ____ nitrogen gas is used ____ a nodule is required 8 - In the development of the crown gall disease: ____ involves tranaduction ____ the transformation process is illustrated ____ T-DNA is inserted into the host genome ____ bacterial cells synthesize opines 9 - In the cyanobacteria: ____ nitrogen is reduced in heterocysts ____ photosynthesis takes place in the heterocysts ____ store glycogen ____ contain Chlorophyll A 10 - In the oomycetes: ____ the 2N generation is dominant ____ form zoospores in asexual reproduction ____ include powdery mildew ____ were responsible for the Irish potato famine ____ produce chitin as a major component in the cell wall 11 - In the cellular slime molds: ____ ATP serves an aggregation signal ____ form 2N spores ____ form a pseudoplasmodium ____ the myxamebae are 2N ____ are oomycetes 12 - Bread mold: ____ is septate ____ produces rhizoids ____ is included in the kingdom Protista ____ form haploid spores 13 - Ascomycetes: ____ include truffels ____ are used in the production of swiss cheese ____ form a dikaryon in the life cycle 14 - In the diatoms: ____ pennate forms are radially symmetric ____ incorporate silicon dioxide into cell walls ____ mitosis produces four daughter cells ____ produce materials which are used as thickening agents ____ a use includes filtering materials 15 - In the dinoflagellates: ____ certain members are found as symbionts in zooxanthellae ____ store paramylum ____ cellulose plates form the cell wall ____ two flagellae are produced 16 - Ascomycetes: ____ include the ergot organism ____ a total of four conidiospores are produced in the ascus of some (such as yeast) ____ may produce a cleistothecium which is a closed ascocarp ____ are septate organisms ____ include the chestnut blight organism 17 - Yeasts: ____ are basidiomybetes ____ produce carbon dioxide in fermentation ____ are used in the production of vinegar ____ produce ascospores ____ reproduce by budding 18 - Basidiomycetes ____ karyogamy forms a haploid nucleus ____ the stalk of a spore is called a sterigma ____ forms eight Basidiospores ____ include morels ____ include common mushrooms 19 - Wheat Stem Rust ____ basidiospores infect wheat plants ____ aeciospores are produced on Barberry plants ____ is an autoecious rust ____ urediospores are dikaryotic ____ teliospores are produced on wheat plants 20 - Brown Algae ____ form laminarin ____ produce starch as the primary storage polysaccharide ____ include Sargassum ____ the stipe and blade are haploid structures 21 - Lichens ____ usually are composed of an ascomycete and an alga ____ include leaf-like foliose forms ____ include Cladonia ____ reproduce by specialized fragments called soredia 22 - Gill Fungi ____ produce a pileus ____ are Basidiomycetes ____ include puffballs 23 - Red Algae ____ produce a specialized cell wall material called agar ____ are a source of nori ____ include Fucus ____ store floridean starch as a polysaccharide 24 - Volvox ____ illustrates the tetrasporine evolutionary tendency ____ is a colonial green alga ____ forms filaments ____ stores mainean starch ____ cells are flagellated

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