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General Science

MICROBIOLOGY MCQs

Total Questions : 15

Page 1 of 2 pages
Question 1. Prokaryotic and eukaryotic cells have many differences, but they also share some common features
  1.    Golgi bodies
  2.    mitochondria
  3.    ribosomes
  4.    nucleus
 Discuss Question
Answer is Option C. -> ribosomes
Question 2. A slippery outer covering in some bacteria that protects them from phagocytosis by host cells is
  1.    cell wall
  2.    capsule
  3.    peptidoglycan
  4.    Teichoic acid
 Discuss Question
Answer is Option B. -> capsule
Question 3. The primary use of Koch postulates is to
  1.    Clearly identify and characterize a particular microorganism
  2.    Isolate microbes from diseased animals
  3.    demonstrate that disease is caused by microorganisms
  4.    develop vaccines for specific disease
 Discuss Question
Answer is Option C. -> demonstrate that disease is caused by microorganisms
Question 4. Bacteria come in all of the following shapes EXCEPT which?
  1.    spiral
  2.    rod-like
  3.    rectangular
  4.    spherical
 Discuss Question
Answer is Option C. -> rectangular
Question 5. Aeromicrobiology refers to
  1.    Study of living microbes
  2.    study of Algae
  3.    Study of living microbes which are suspended in the air
  4.    none of the above
 Discuss Question
Answer is Option C. -> Study of living microbes which are suspended in the air
Question 6. What is ring worm caused by?
  1.    Virus
  2.    Bacteria
  3.    Fungi
  4.    Parasite
 Discuss Question
Answer is Option C. -> Fungi
Question 7. In electron microscope, what material is used as an objective lens?
  1.    Magnetic coils
  2.    Superfine glass
  3.    Electrons
  4.    Aluminium foils
 Discuss Question
Answer is Option A. -> Magnetic coils
Question 8. Most bacteria are
  1.    Harmful
  2.    Helpful
  3.    Begnin
  4.    Cancer
 Discuss Question
Answer is Option B. -> Helpful
Question 9. Why is Taq used in PCR?
  1.    It is a specific DNA Primer
  2.    It is a heat stable polymerase
  3.    It is specific to the target probe
  4.    It does not need a cofactor
 Discuss Question
Answer is Option B. -> It is a heat stable polymerase
Question 10. What is the backbone of DNA made of?
  1.    Glucose and Nitrogen
  2.    Deoxyribose and Nitrogen
  3.    Deoxyribose and Phosphate
  4.    Deoxyribose and Sulfate
 Discuss Question
Answer is Option C. -> Deoxyribose and Phosphate
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