(A) E. coli
(B) Clostridium
(C) Streptococcus
(D) Leptospira
Tag: Basic Microbiology Mcqs
O157:H7 is pathogenic type of:
(A) Salmonella typhi
(B) E. coli
(C) S. aureus
(D) Streptococcus
Motility of the bacteria can be observed by:
(A) Hanging drop method
(B) Soft agar method
(C) Both “A” and “B”
(D) Pour plate method
Highly communicable pathogen, especially via direct contact is known as:
(A) Zoonotic
(B) Contagious
(C) Nosocomial
(D) Communicable
Which of following could NOT be a portal of entry?
(A) Meninges
(B) Skin
(C) Placenta
(D) Small intestine
Plasmids are inserted in bacterial cell from environment:
(A) Transformation
(B) DNA ligase
(C) Transfection
(D) Transduction
Signal responsible for the end of transcription is:
(A) Stop codon
(B) RNA polymerase run out
(C) End of DNA chain
(D) Terminator
An intron is found in:
(A) DNA
(B) RNA
(C) mRNA
(D) tRNA