Microbiology MCQs Mock Test – Chapter 28

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

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

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

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?

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

Griffith demonstrated biotransformation with?

Enteroviruses differ from rhinoviruses mainly by?

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?

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

Bacteriophages are readily counted by process of?

Structural component that is found in all viruses is?

Necrotizing gastrointestinal enteritis is caused by?

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?

Lancefield grouping of streptococci is done using?

Staphylococcus aureus secretes all, EXCEPT?

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

Streptococci causing dental caries?

Which deficiency would cause Neisseria infection?

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?

Chemical component that is found in all viruses is?

The following are cell culture types EXCEPT?

Differentiation of Neisseria gonorrheae and Neisseria meningitidis is by?

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?

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

Which of the following cause/s of Gas gangrene?

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?

Catalase positive, β-hemolytic Staphylococci is?

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

Which of the following is the cause of smallpox?

All are correct regarding Cl. tetani, EXCEPT?

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

Quellung reaction is due to?

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?

Most common organism responsible for postsplenectomy infections include?

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?

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

CSF in meningococcal meningitis shows?

Non-motile clostridium is?

The most effective way of preventing tetanus is?

Quelling phenomenon is seen in?

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

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

Nagler’s reaction is shown by?

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

Staphylococcus differs from Streptococcus by?

Most common organism causing sore throat?

is catalase positive but coagulase negative?

Which of the following is not an RNA virus?

Regarding gas gangrene one of the following is correct?

A common polyhedral capsid shape of viruses is a?