GTC MICROBIOLOGY PRACTICE TEST 2026 SOLVED QUESTIONS WITH CORRECT ANSWERS GRADED A+

GTC MICROBIOLOGY PRACTICE TEST 2026
SOLVED QUESTIONS WITH CORRECT
ANSWERS GRADED A+

●● oil immersion.
Answer: the use of a drop of oil, that has the same refractive index as
glass to channel more light waves into the objective


●● total magnification.
Answer: ocular magnification x objective magnification


●● cocci.
Answer: round shaped bacteria
1. streptococcus
2. staphylococcus


●● bacilli.
Answer: rod shaped bacteria :streptobacillus,


●● spirochete.
Answer: corkscrew shaped bacteria

,●● spirillum.
Answer: wavy shaped bacteria


●● bacterial capsule.
Answer: negative stain- repelled by capsule.


●● types of flagella.
Answer:


●● endospores.
Answer:


●● gram positive / gram negative stains of bacteria.
Answer: 1. gram + stains purple (thick peptidoglycan layer)
2. gram - stains pink (thin peptidoglycan layer att to LPS)


●● staphylo- /strepto- / diplo-.
Answer: staphylo- means grapelike clusters;
strepto- means twisted chain;
diplo- means double or two


●● acid fast stain.

, Answer: 1. primary stain (crystal violet)
2. decolorizer (alcohol)
3. counter stain (safranin)


mycobacterium


●● Penicillum/
mold/fungi
multicellular
heterotrophic
eukaryotic.
Answer:


●● Rhizopus.
Answer: mycellium
1. fruiting body-spores enclosed in sacs
2.mold
3.multicellular
4.heterotrophic
5.eukaryotic


●● Aspergillus.