12. What is the primary aim of the scientific method? A. To
formulate a hypothesis B. To introduce new variables into an
ExperimentC. To include control groups in an experiment D. To
modify an Experiment E. To discard the results if they do not
support the hypothesis.
13. Supporters of spontaneous generation believe in the theory
of biogenesis. True or false14. Louise pastors experiments
discounted 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 explanation
to account for what has been observed or measured 16. Joseph
Lister’s concept of a sepsis in the medical setting consisted of
what procedure? A. The practice of the handwashing B. The use of an
autoclave C. Do use of antibiotics D. Do use of gloves 17. Which of
the following is the largest in size? A.Escherichia
coli(bacteria)B. Amoeba proteus (protozoa)C.Poliovirus (virus) D.
Mycobacterium tuberculosis/Tuberculosis E.Bacillus
anthacis/Anthrax
19. The smallest and most specific of the levels of
classification is species. What level of classification is directly
above species A.period domainB.familyC. Genus D. Phylum20. What
time refers to the degree of evolutionary relatednessBetween living
organisms? A. Morphology B. Physiology C. Hierarchy .
Phylogeny
21. Which of the following statements regarding evolution is
correct? A. Change is that favor survival or lost B.Living things
change rapidly through millions of yearsC. Evolution results and
structural and functional changes in organisms D. Changes that are
not beneficial are preserved 22. Who is fox used what cell
component 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. This
defines 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 and
nutrient 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, and
epidemiology 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 disease
process
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 bacterial
spores
B. Robert Koch linked specific organism to specific
diseases
C.louis pasteur and Roberts clutch advance the germ theory of
disease D. All of the above are correct E. None of the above is
correct number
29 the formal system of organizing classifying and naming
organisms 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. The
domains 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 simpler
substances is? 32. Positively charged subatomic particles are? 33.
Neutral subatomic particles are? 34. Negatively charged subatomic
particles? 35. A pure substances with a chair at the rustic number
of protons, Neutrons, and electrons? 36. The atomic number? 37. The
number of protons and neutrons is the? 38. Verriant forms of the
same element that differ in the number of neutrons are? 39. The
space surrounding the atomic nucleus where electrons are likely to
be found? 40. A chemical substance that results from the
combination of two or more Adams? 41. Chemical? Are formed when two
or 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 Adam
forming positively charged cations and negatively charged and ions?
44. Chemical bonding that is described as weak bonds between
hydrogen and other Adams?
45. Regarding covalent, ionic, and hydrogen bonds, the
following is true a period is covalent bonds electrons are shared
among Adams be. In ionic bonds, electrons are transferred to one
Adam forming (+) cations and (-) anions C. Hydrogen bonds are weak
bonds between hydrogen and other Adams D. All of the above are
correct E. None of the above are correct 46. Reactants also called
substrates are molecules that start a reaction and products are
substances left by a reaction. True or false 47. The pH scale
express is the concentration of H plus ions, and it ranges from A.0
to 7 B. 1 to 14 C. 0 to 14 D. None of the above 48. Organic
chemicals are compounds containing carbon bonded to nitrogen Adams.
True or false 49. Carbon see is the fundamental element of life and
eight. Contains four Adams and it’s our orbital be. Can form
single, 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 organic
compounds produced by living things and include A Carbohydrates B.
Lipids C. Proteins D. Nucleic acid’s E. All of the above are
correct letter F. None of the above are correct51. In Marco
molecules large are compounds assembled from smaller subunits. A
monomer is a subunit and a polymer is a chain of monomers. true or
false
52. Proteins pre-dominant molecules and cells,There monomers
are the 20 amino acids, and there are polymers are peptides,
polypeptides, proteins. There are some units are linked by peptide
bonds. Which of the following protein characteristics are true A
proteins fold into very specific 3-D shapes B proteins function as
support, enzymes, transport, defense, movement C all of the above
are correct D none of the above are correct 53. DNA the
deoxyribonucleic acid. DNA is formed by two long poly nucleotide
strands 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 are
correct chapter 4. 54. Peptidoglycans, dipicolinic acid, and
mycolic acid are chemicals. They are: Letter a. Associated with
cell Walls and their function is protection B. Associated with the
cell membranes and their function is protection C. All of the above
are correct D. None of the above are correct 55. Steroids are
chemicals 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 protection
C. All of the above are correct D. None of the above are correct
56. The cell membrane cytoplasmic membrane A. Has a phospholipid
Byler B. Has it embedded proteins C. Is the conceptualized in the
fluid Mosaic model D. All of the above
57. Which of the following is incorrect regarding the
bacterial cell wall? Hey. Is it a target of certain antibiotics B.
It determines the shape of the bacterium C. It prevents a bacterium
from bursting due to changes in osmotic pressure D. It’s
comeposition where is among the major bacterial groups E. It is
composed of repeating framework of lipids 58. Which of the
following is incorrect regarding plasmids? E. They are extra
chromosomal B. They Can become integrated into the bacterial
chromosome C. They can come for protective traits D. They are
essential for bacterial growth and survival E. They are important
in genetic engineering techniques 59. Identification of bacteria
requires a study of all but which of the following? A. Microscopic
and macroscopic morphologyB. Bacterial physiology C. Quantitive
analysis D. Serological analysis E. Genetic and molecular
analysis
60. What is the structure of each of these functions
60. Adhesion 61. Proteins Synthesis 62. Selective permeability
63. Protective, pathogenicity 64. Site of mini bio chemical
reactions 70 to 80% water 65. Iocomotion, chemotaxis 66. Nutrient
storage (glycogen,PHB)
67. Conjunction 68. Protection from dehydration 69. Heat
resistance(linked to calcium and dipicolinic acid) 70. Play a role
infected 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 these
functions
71. Generation of energy ATP 72. Site of ribosomes in you
create excels 73. Locomotion 74. Location of chromosomes and
nucleolus75. Convert sunlight energy into chemical energy such as
algae and plants 76. Synthesis of nine proteins such as lipids 77.
And enzyme found in tears saliva 78. Contains a verity of
enzymes79. 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 the
above
81. The cell walls of fungi are composed of what? A. Peptide
Dougla can be. Chitin or cellulose C. All of the above D. None of
the 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 Sicle
that originates from the gold Golgi apparatus and contains a
veriety of enzymesB a membrane bound sack contains fluids or solid
particles to be digested see. A buck you all that contains reserve
nutrients D. A vac you are that regulates osmotic pressure 85.
Which of the following is correct regarding chloroplasts? K. They
are the primary producers of organic nutrients B. They are found In
LG and plant cells letter C. Oxygen gas is produced as a byproduct
of their activities D. They convert the energy of sunlight into
chemical energy through photosynthesis E. All of the above are
correct.
89. All fungi utilize what as a nutritional substrate? A.
Organic nutrients be. Carbon dioxide C. Inorganic ions D. Hydrant
sulfide
86. What is formed when hyphae of two opposite fungi strains
fuse in form diploidy spores?Sporangium, ConidiaB. Basidiospores,
zygospores, Ascospores
C.All of the above are correct 87. What statement regarding
the fungi is incorrect? E. Many species are pathogenic to field
crops B. Fungi decomposed organic matter in return essential
minerals to the soil C. They can be used to produce large
quantities of antibiotics, alcohol, anod vitamins D. All of the
above are correct E. All of the above are incorrect