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MCQ Microbiology ( MCQ The Cell )

MCQ Microbiology

MCQ The Cell

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. Which of the following terms refers to a prokaryotic cell that is comma shaped?
a) coccus
b) coccobacilli
c) vibrio
d) spirillum

8. Which bacterial structures are important for adherence to surfaces? (Select all that apply.)
a) endospores
b) cell walls
c) fimbriae and capsules
d) flagella

9. Which of the following cell wall components is unique to gram-negative cells?
a) lipopolysaccharide
b) teichoic acid
c) mycolic acid
d) peptidoglycan

10. 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

11. Bacterial cell walls are primarily composed of which of the following?
a) phospholipid
b) protein
c) carbohydrate
d) peptidoglycan

12. Which of the following organelles is not part of the endomembrane system?
a) endoplasmic reticulum
b) Golgi apparatus
c) lysosome
d) peroxisome

13. Which type of cytoskeletal fiber is important in the formation of the nuclear lamina?
a) microfilaments
b) intermediate filaments
c) microtubules
d) fibronectin

14. 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

15. 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

16. 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

17. Which of the following is not composed of microtubules?
a) desmosomes
b) centrioles
c) eukaryotic flagella
d) eukaryotic cilia