Microbiology MCQs Mock Test – Chapter 28

Lancefield grouping of streptococci is done using?

Staphylococcus aureus secretes all, EXCEPT?

Swarming growth on culture is characteristic of which Gram-negative organism?

CSF in meningococcal meningitis shows?

A boy with skin ulcer on leg, culture revealed βhemolysis. School physician said that similar hemolysis was seen in organism from sore throat, what is the similarity between both pathogens?

The most effective way of preventing tetanus is?

A person from village is complaining of development of pustules. Extract from pus has shown Gram-positive cocci, showing hemolysis, catalase negative, identified as a group of streptococci. Following test is used?

What types of viruses contain the enzyme lysozyme to aid in their infection?

Quellung reaction is due to?

An 18-year-old male presented with acute onset descending paralysis of 3 days duration. There is also a history of blurring of vision for the same duration. Both pupils are non-reactive. The most probable diagnosis is?

Which of the following statements is correct regarding non-coagulase Staphylococci?

Viruses that can remain latent (usually in neurons) for many years are most likely?

Streptococci causing dental caries?

Differentiation of Neisseria gonorrheae and Neisseria meningitidis is by?

Which deficiency would cause Neisseria infection?

Which of the following cause/s of Gas gangrene?

Most common organism responsible for postsplenectomy infections include?

Necrotizing gastrointestinal enteritis is caused by?

Virus that is well known in causing ‘latent infection’ is?

A common polyhedral capsid shape of viruses is a?

Regarding gas gangrene one of the following is correct?

Which one of the following statements is NOT true about viral infections?

Staphylococcus differs from Streptococcus by?

In name of family Reovirus, word ‘reo’ refers to?

The following are cell culture types EXCEPT?

All of the following bacteria are most often associated with acute neonatal meningitis EXCEPT?

A pus cultured on chocolate agar shows Gramnegative cocci, most likely organisms is?

Structural component that is found in all viruses is?

Hot cold phenomenon is seen due to which toxin of staphylococci?

Enteroviruses differ from rhinoviruses mainly by?

In a case of neonatal meningitis, pathogen was found to have properties of β-hemolysis, bacitracin resistance, CAMP positive. Which of following is most likely causative agent?

A type of cell culture that can reproduce for an extended number of generations and is used to support viral replication is a?

A β-hemolytic bacterial isolate is resistant to vancomycin, shows growth in 6.5 % NaCl, is nonbile sensitive. It is likely to be?

is catalase positive but coagulase negative?

Sputum specimen of a 70 years old male culture showed α-hemolytic colonies on blood agar. Further processing of this organism is most likely to yield?

Nagler’s reaction is shown by?

Griffith demonstrated biotransformation with?

Non-motile clostridium is?

Bacteriophages are readily counted by process of?

A person has received complete immunization against tetanus 10years ago. Now he presents with a clean wound without any lacerations from an injury sustained 2.5 hours ago. He should now be given?

Most common organism causing sore throat?

Which of the following is not an RNA virus?

Which of the following is the cause of smallpox?

A patient of acute lymphocytic leukemia with fever and neutropenia develops diarrhea after amoxicillin therapy, which of the following organism is most likely to be the causative agent?

An infant with neonatal meningitis has a positive CAMP test, the causative agent is?

Catalase positive, β-hemolytic Staphylococci is?

Chemical component that is found in all viruses is?

All are correct regarding Cl. tetani, EXCEPT?

A 10-year-old boy following a road traffic accident presents to the causality with contaminated wound over the left leg. He has received his complete primary immunization before preschool age and received a booster of DT at school entry age. All of the following can be done EXCEPT?

Quelling phenomenon is seen in?