PRACTICE TEST SHEET FULL SOLUTIONS
CORRECT ANSWERS GUARANTEED PASS
◉ One type of microscope that provides a three-dimensional image
of a bacterial specimen is the _____.
- stereomicroscopes
- telescope
- bright-field microscope
- phase-contrast microscope
- scanning electron microscope
- dissection microscopes
- transmission electron microscope.
Answer: scanning electron microscope
◉ Which scientist is most responsible for ending the controversy
about spontaneous generation?
- Lister
- Needham
- Koch
- Pasteur.
Answer: Pasteur
,◉ A relationship between organisms in which the waste product of
one provides nutrients for another is called _______.
- commensalism
- mutualism
- predation
- parasitism
- competition.
Answer: commensalism
◉ The correct descending order of the taxonomic categories is
_______.
- domain, kingdom, phylum, class, family, order, genus, species
- domain, kingdom, phylum, class, order, family, genus, species
- species, domain, phylum, kingdom, order, division, class, genus
- species, genus, family, order, class, phylum, kingdom, domain
- kingdom, domain, phylum, order, class, family, genus, species.
Answer: domain, kingdom, phylum, class, order, family, genus,
species
◉ Which of the following sites of the human body does NOT have a
normal flora?
- skin
,- intestine
- blood
- vagina.
Answer: blood
◉ Complex communities of microorganisms on surfaces are called
_________.
- biospheres
- flora
- viofilms
- colonies.
Answer: biofilms
◉ Which of the following are microorganisms? SELECT ALL THAT
APPLY
- Humans
- Fungi
- Bacteria
- Algae
- Insects
- Virus.
Answer: - Fungi
, - Bacteria
- Algae
◉ One type of microscope capable of observing living
microorganisms is the __________.
- phase-contrast microscope
- fluorescence microscope
- bright-field microscope
- electron microscope.
Answer: phase-contrast microscope
◉ The monomers of carbohydrates are __________.
- glycerol + fatty acids
- monosaccharides
- nucleotides
- amino acids.
Answer: monosaccharides
◉ A chemical bond in which electrons are equally shared is a(n)
_________.
- hydrogen bond
- polar covalent bond