Top 1000+ Solved Microbiology MCQ Questions Answer

From 856 to 870 of 879

Q. Cell wall of gram negative bacteria is

a. Thick

b. Lipids are present

c. Teichoic acids are absent

d. None of these

  • c. Teichoic acids are absent

Q. Cytoplasmic streaming is present in

a. Prokaryote

b. Animals

c. Eukaryotes

d. Both a and b

  • c. Eukaryotes

Q. The motile bacteria is

a. S. typhi

b. K. pneumoniae

c. B. anthracis

d. Shigella

  • a. S. typhi

Q. The stain used to demonstrate fungus

a. Albert

b. Nigerosin

c. Lactophenol cotton blue

d. None of these

  • c. Lactophenol cotton blue

Q. Exotoxina are

a. Heat labile

b. Heat stable

c. Part of cell wall

d. Polymerized complexes

  • a. Heat labile

Q. The viruses that attack bacteria are

a. Bacterial viruse

b. Bacterial pathogens

c. Bacteriophages

d. Various

  • c. Bacteriophages

Q. The size of virus particle may range

a. 0.02–0.2 ìm

b. 0.5–10 ìm

c. 0.015–0.2 ìm

d. 0.1–100 ìm

  • c. 0.015–0.2 ìm

Q. The bacterial cell multiplication is usually by

a. Mitosi

b. Meiosis

c. Conjugation

d. Binary-fission

  • d. Binary-fission

Q. Rod shaped bacteria are known as

a. Cocci

b. Comma forms

c. Bacilli

d. Plemorphic froms

  • c. Bacilli

Q. All the groups of bacteria have cell wall

a. Mycobacteria

b. Mycoplasmas

c. Clostridia

d. Rickettsia

  • b. Mycoplasmas

Q. Thickness of cell wall ranges from

a. 9-10 nm

b. 12-13 nm

c. 10-25 nm

d. 30-40 nm

  • c. 10-25 nm

Q. Teichoic acids and Teichuronic acids arefound in

a. Gram positive bacteria

b. Gram negative bacteria

c. Fungi

d. None of these

  • a. Gram positive bacteria

Q. Meosomes are

a. Kind of ribosomes

b. Formed during cell lysis

c. A part of cell wall

d. Principal sites of respiratory enzymes

  • d. Principal sites of respiratory enzymes

Q. The characteristic shape of the bacteriais maintained because of

a. Capsule

b. Cell wall

c. Cell membrane

d. Slime layer

  • b. Cell wall

Q. Bacterial capsule is chemically composed of

a. Polypeptide

b. Polynucleotides

c. Polysaccharides

d. Polypeptides or polysaccharides

  • d. Polypeptides or polysaccharides
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