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MCQs on Microbiology Part 2

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Table of Contents

Q1. Which of the following individuals argued in favor of the theory of spontaneous generation?Q16.Q1. Which of the following individuals argued in favor of the theory of spontaneous generation?

A. Francesco Redi
B. Louis Pasteur
C. John Needham
D. Lazzaro Spallanzani

Q2. Which of the following individuals is credited for definitively refuting the theory of spontaneous
generation using broth in swan-neck flask?

A. Aristotle
B. Jan Baptista van Helmont
C. John Needham
D. Louis Pasteur

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Q3. Which of the following scientists experimented with raw meat, maggots, and flies in an attempt to
disprove the theory of spontaneous generation?

A. Aristotle
B. Lazzaro Spallanzani
C. Antonie van Leeuwenhoek
D. Francesco Redi

Q4. Which of the following individuals did not contribute to the establishment of cell theory?

A. Girolamo Fracastoro
B. Matthias Schleiden
C. Robert Remak
D. Robert Hooke

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Q5. . Whose proposal of the endosymbiotic theory of mitochondrial and chloroplast origin was
ultimately accepted by the greater scientific community?

A. Rudolf Virchow
B. Ignaz Semmelweis
C. Lynn Margulis
D. Theodor Schwann

Q6. Which of the following developed a set of postulates for determining whether a particular disease
is caused by a particular pathogen?

A. John Snow
B. Robert Koch
C. Joseph Lister
D. Louis Pasteur

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Q7. Which of the following terms refers to a prokaryotic cell that is comma shaped?

A. coccus
B. coccobacilli
C. vibrio
D. spirillum

Q8. Which bacterial structures are important for adherence to surfaces? (Select all that apply.)

A. endospores
B. cell walls
C. fimbriae
D. capsules
E. flagella

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Q9. Which of the following cell wall components is unique to gram-negative cells?

A. lipopolysaccharide
B. teichoic acid
C. mycolic acid
D. peptidoglycan

Q10. Which of the following terms refers to a bacterial cell having a single tuft of flagella at one end?

A. monotrichous
B. amphitrichous
C. peritrichous
D. lophotrichous

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Q11. Bacterial cell walls are primarily composed of which of the following?

A. phospholipid
B. protein
C. carbohydrate
D. peptidoglycan

Q12. Which of the following organelles is not part of the endomembrane system?

A. endoplasmic reticulum
B. Golgi apparatus
C. lysosome
D. peroxisome

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Q13. Which type of cytoskeletal fiber is important in the formation of the nuclear lamina?

A. microfilaments
B. intermediate filaments
C. microtubules
D. fibronectin

Q14. Sugar groups may be added to proteins in which of the following?

A. smooth endoplasmic reticulum
B. rough endoplasmic reticulum
C. Golgi apparatus
D. lysosome

Q15. Which of the following structures of a eukaryotic cell is not likely derived from endosymbiotic
bacterium?

A. mitochondrial DNA
B. mitochondrial ribosomes
C. inner membrane
D. outer membrane

Q16. Which type of nutrient uptake involves the engulfment of small dissolved molecules into
vesicles?

A. active transport
B. pinocytosis
C. receptor-mediated endocytosis
D. facilitated diffusion

Q17. Which of the following is not composed of microtubules?

A. desmosomes
B. centrioles
C. eukaryotic flagella
D. eukaryotic cilia

1. C, 2. D, 3. D, 4. A, 5. C, 6. B, 7. C, 8. C, D, 9. A, 10. D, 11. D, 12. D, 13. B, 14. C, 15. D, 16. B, 17. A

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