Microbiology MCQ (Quiz-6)  

Bacteria and Gram Staining

Multiple choice questions with answer key

S. Y. B. PHARM Sem - III  (UNIT - 2)  

AS PER PCI SYLLABUS






1. The motile bacteria is
      A) B. anthracis


... Answer is : B) S. typhi


2. Exotoxina are




... Answer is : c) Heat labile

3. The size of virus particle may range





... Answer is : B) 0.015–0.2 ìm

4. Rod shaped bacteria are known as




... Answer is : D) Bacilli


5. Thickness of cell wall ranges from




... Answer is : B) 10-25 nm

6. Meosomes are .




... Answer is : B) Principal sites of respiratory enzymes

7. Bacterial capsule is chemically composed of




... Answer is : A) Polypeptides or polysaccharides

8. Mesosomes are also known as





... Answer is : B) Chondroids


9. Capsule formation occurs in the presence of





... Answer is : D) Serum

10. Organelles with hydrolytic enzymes are




... Answer is : A) Lysosomes

11. Cytoplasmic streaming is present in




... Answer is : A) Eukaryotes


12. The stain used to demonstrate fungus




... Answer is : A) Lactophenol cotton blue

13. The viruses that attack bacteria are




... Answer is : D) Bacteriophages


14. The bacterial cell multiplication is usually by




... Answer is : A) Binary-fission

15. All the groups of bacteria have cell wall




... Answer is : D) Mycoplasmas

16. Teichoic acids and Teichuronic acids are found in




... Answer is : A) Gram positive bacteria

17. The characteristic shape of the bacteria is maintained because of




... Answer is : C) Cell wall


18. The cell wall deficient form of bacteria is




... Answer is : B) ‘L’ form

19. The differences between Gram positive and Gram negative bacteria is shown to reside in the




... Answer is : C) Cell wall


20. The virulence determining antigens of microorganisms may be




... Answer is : D) All of these