12. What is the primary aim of the scientific method? A. Toformulate a hypothesis B. To introduce new variables into anExperimentC. To include control groups in an experiment D. Tomodify an Experiment E. To discard the results if they do notsupport the hypothesis.
13. Supporters of spontaneous generation believe in the theoryof biogenesis. True or false14. Louise pastors experimentsdiscounted the theory of abiogenesis true or false
15. Hey Siri is a? E. Collection of statements, for positions,or concepts that explain or accounts for a natural event B.Prediction C. Process of experimentation D. Tentative explanationto account for what has been observed or measured 16. JosephLister’s concept of a sepsis in the medical setting consisted ofwhat procedure? A. The practice of the handwashing B. The use of anautoclave C. Do use of antibiotics D. Do use of gloves 17. Which ofthe following is the largest in size? A.Escherichiacoli(bacteria)B. Amoeba proteus (protozoa)C.Poliovirus (virus) D.Mycobacterium tuberculosis/Tuberculosis E.Bacillusanthacis/Anthrax
19. The smallest and most specific of the levels ofclassification is species. What level of classification is directlyabove species A.period domainB.familyC. Genus D. Phylum20. Whattime refers to the degree of evolutionary relatednessBetween livingorganisms? A. Morphology B. Physiology C. Hierarchy .Phylogeny
21. Which of the following statements regarding evolution iscorrect? A. Change is that favor survival or lost B.Living thingschange rapidly through millions of yearsC. Evolution results andstructural and functional changes in organisms D. Changes that arenot beneficial are preserved 22. Who is fox used what cellcomponent in the classification of organisms into three domains?A.mRNA B.Protiens C.rRNA D.none of the above
23. Micro organisms can be found in all natural habitats. Thisdefines micro organisms as being? A. Microscopic B. Eukaryotic C.Parasitic D. ubiquitous
24. The prokaryotic cell structure includes A. Nucleus,mitochondria B. Ribosomes, cell membranes C. All of the above D.None of the above
25.Regarding the involvement of micro organisms and energy andnutrient flow
A. Bacteria and fungi are important and decomposition
B. Algae are characterized as photosynthetic
C. All of the above are correct
D. None of the above is correct
26. The terms parasite, hots, pathogen, biofilms, andepidemiology are associated with:
A. The role of microorganisms in defomposition
B. The role of microorganisms in bio-remediation
C. The role of viruses in the infectious disease process
D. The role of microorganisms in the infectious diseaseprocess
E. None if the above
27. The scientific method can be summarized as:
A. A process
B. Observation, hypothesis, experiment, assessment of data,conclusion
C. All the above
28.in the development of medical microbiology;
A.ferdinand Cohn discovered heat-resistant bacterialspores
B. Robert Koch linked specific organism to specificdiseases
C.louis pasteur and Roberts clutch advance the germ theory ofdisease D. All of the above are correct E. None of the above iscorrect number
29 the formal system of organizing classifying and namingorganisms is called A. Morphology B. Physiology C. Here Archie D.Phylogeny E. None of the above number
30. The horse fox system of classification contain’s a. Thedomains you Eukarya, archaea, bacteria
B. The kingdoms plants, fungi, animals, protists, Monerans, C.All of the above D. None of the above
Chapter No. 2
31. The simplest form of matter not the visible into simplersubstances is? 32. Positively charged subatomic particles are? 33.Neutral subatomic particles are? 34. Negatively charged subatomicparticles? 35. A pure substances with a chair at the rustic numberof protons, Neutrons, and electrons? 36. The atomic number? 37. Thenumber of protons and neutrons is the? 38. Verriant forms of thesame element that differ in the number of neutrons are? 39. Thespace surrounding the atomic nucleus where electrons are likely tobe found? 40. A chemical substance that results from thecombination of two or more Adams? 41. Chemical? Are formed when twoor more atoms share, donate, or except electrons to form molecules.42. Chemical bonding where electrons are shared among Adams are?43. Chemical bonding where electrons are transferred to one Adamforming positively charged cations and negatively charged and ions?44. Chemical bonding that is described as weak bonds betweenhydrogen and other Adams?
45. Regarding covalent, ionic, and hydrogen bonds, thefollowing is true a period is covalent bonds electrons are sharedamong Adams be. In ionic bonds, electrons are transferred to oneAdam forming (+) cations and (-) anions C. Hydrogen bonds are weakbonds between hydrogen and other Adams D. All of the above arecorrect E. None of the above are correct 46. Reactants also calledsubstrates are molecules that start a reaction and products aresubstances left by a reaction. True or false 47. The pH scaleexpress is the concentration of H plus ions, and it ranges from A.0to 7 B. 1 to 14 C. 0 to 14 D. None of the above 48. Organicchemicals are compounds containing carbon bonded to nitrogen Adams.True or false 49. Carbon see is the fundamental element of life andeight. Contains four Adams and it’s our orbital be. Can formsingle, double, or triple covalent bonds see. Can form linear,branched, Or ringed moleculesD. All of the above are correct E.None of the above are correct 50. Biochemicals are organiccompounds produced by living things and include A Carbohydrates B.Lipids C. Proteins D. Nucleic acid’s E. All of the above arecorrect letter F. None of the above are correct51. In Marcomolecules large are compounds assembled from smaller subunits. Amonomer is a subunit and a polymer is a chain of monomers. true orfalse
52. Proteins pre-dominant molecules and cells,There monomersare the 20 amino acids, and there are polymers are peptides,polypeptides, proteins. There are some units are linked by peptidebonds. Which of the following protein characteristics are true Aproteins fold into very specific 3-D shapes B proteins function assupport, enzymes, transport, defense, movement C all of the aboveare correct D none of the above are correct 53. DNA thedeoxyribonucleic acid. DNA is formed by two long poly nucleotidestrands linked by hydrogen bonds, the following is also threw a. A,C, C, GR nitrogen bases B. The DNA molecule is a double helix C.DNA functions as hereditary material
D. All of the above are correct E. None of the above arecorrect chapter 4. 54. Peptidoglycans, dipicolinic acid, andmycolic acid are chemicals. They are: Letter a. Associated withcell Walls and their function is protection B. Associated with thecell membranes and their function is protection C. All of the aboveare correct D. None of the above are correct 55. Steroids arechemicals found in pleomorphic Mycoplasma plasma. They are: E.Associated with cell walls and their function is protection B.Associated with the cell membrane and their function is protectionC. All of the above are correct D. None of the above are correct56. The cell membrane cytoplasmic membrane A. Has a phospholipidByler B. Has it embedded proteins C. Is the conceptualized in thefluid Mosaic model D. All of the above
57. Which of the following is incorrect regarding thebacterial cell wall? Hey. Is it a target of certain antibiotics B.It determines the shape of the bacterium C. It prevents a bacteriumfrom bursting due to changes in osmotic pressure D. It’scomeposition where is among the major bacterial groups E. It iscomposed of repeating framework of lipids 58. Which of thefollowing is incorrect regarding plasmids? E. They are extrachromosomal B. They Can become integrated into the bacterialchromosome C. They can come for protective traits D. They areessential for bacterial growth and survival E. They are importantin genetic engineering techniques 59. Identification of bacteriarequires a study of all but which of the following? A. Microscopicand macroscopic morphologyB. Bacterial physiology C. Quantitiveanalysis D. Serological analysis E. Genetic and molecularanalysis
60. What is the structure of each of these functions
60. Adhesion 61. Proteins Synthesis 62. Selective permeability63. Protective, pathogenicity 64. Site of mini bio chemicalreactions 70 to 80% water 65. Iocomotion, chemotaxis 66. Nutrientstorage (glycogen,PHB)
67. Conjunction 68. Protection from dehydration 69. Heatresistance(linked to calcium and dipicolinic acid) 70. Play a roleinfected catheters ,IUDs, artificial hip joints
Here are the key Structures for Questions 60 to 70
KEY:Flagella, endospores, so membrane, inclusion body,cytoplasmic matrix, ribosomes, cell-capsule, fimbriae, slime layer,Pilus, biofilms
Chapter No. 5
What are the eukaryotic structure of each of thesefunctions
71. Generation of energy ATP 72. Site of ribosomes in youcreate excels 73. Locomotion 74. Location of chromosomes andnucleolus75. Convert sunlight energy into chemical energy such asalgae and plants 76. Synthesis of nine proteins such as lipids 77.And enzyme found in tears saliva 78. Contains a verity ofenzymes79. Collects and packages proteins
Here are the key for question 71 through 79
KEY:Lysosome, mitochondria, nucleus, lysozyme, Goldi-apparatus, flagella, cilia,pseudopia, PER, SER, chloroplasts, nucleus
80. Helminthes include: A. Roundworms(Nematodes) B. Tapeworms(cestodes)C. Flukes(Trematodes) D. all of the above E. None of theabove
81. The cell walls of fungi are composed of what? A. PeptideDougla can be. Chitin or cellulose C. All of the above D. None ofthe above
82. Where does RNA synthesis in Eukaryotes occur?
83. Asexual reproduction in fungi occurs by what process? A.Binary fission B. Meiosis C. Nuclear fusion D. Mitosis
84. Which of the following defines a lysosome? A. The Siclethat originates from the gold Golgi apparatus and contains averiety of enzymesB a membrane bound sack contains fluids or solidparticles to be digested see. A buck you all that contains reservenutrients D. A vac you are that regulates osmotic pressure 85.Which of the following is correct regarding chloroplasts? K. Theyare the primary producers of organic nutrients B. They are found InLG and plant cells letter C. Oxygen gas is produced as a byproductof their activities D. They convert the energy of sunlight intochemical energy through photosynthesis E. All of the above arecorrect.
89. All fungi utilize what as a nutritional substrate? A.Organic nutrients be. Carbon dioxide C. Inorganic ions D. Hydrantsulfide
86. What is formed when hyphae of two opposite fungi strainsfuse in form diploidy spores?Sporangium, ConidiaB. Basidiospores,zygospores, Ascospores
C.All of the above are correct 87. What statement regardingthe fungi is incorrect? E. Many species are pathogenic to fieldcrops B. Fungi decomposed organic matter in return essentialminerals to the soil C. They can be used to produce largequantities of antibiotics, alcohol, anod vitamins D. All of theabove are correct E. All of the above are incorrect
