GATE (Graduate Aptitude Test in Engineering) Microbiology: Questions 39 - 43 of 125

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Question 39

Appeared in Year: 2017

Question

MCQ▾

Which one of the following is NOT a contribution by Robert Koch?

Choices

Choice (4)Response

a.

discovery of causative agent of leprosy

b.

discovery of causative agent of tuberculosis

c.

identification of causative agent of cholera

d.

identification of causative agent of anthrax

Question 40

Appeared in Year: 2018

Question

MCQ▾

David Baltimore՚s classification of viruses is based on differences in

Choices

Choice (4)Response

a.

the modes of transmission of viruses

b.

host cell receptors used by viruses

c.

the pathways required to synthesize virus mRNA

d.

the envelope proteins on the surface of viruses

Question 41

Appeared in Year: 2016

Question

MCQ▾

The enzyme responsible for generation of hypochlorous ions during phagocytosis is

Choices

Choice (4)Response

a.

catalase

b.

NADPH oxidase

c.

superoxide dismutase

d.

myeloperoxidase

Question 42

Appeared in Year: 2018

Question

MCQ▾

The oral polio vaccine (OPV) consists of

Choices

Choice (4)Response

a.

live attenuated virus

b.

viral capsid subunit

c.

killed virus

d.

viral toxin

Question 43

Appeared in Year: 2017

Question

Numeric Answer▾

The transformation efficiency of competent cells prepared in a laboratory is of plasmid DNA. If of this plasmid is used to transform these competent cells, the number of transformed bacteria in CFU after plating will be ________.

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