GATE (Graduate Aptitude Test in Engineering) Microbiology (XL-S): Questions 39 - 43 of 144
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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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