Microbiology
Description: GATE | |
Number of Questions: 15 | |
Created by: Prabha Kade | |
Tags: GATE Classification of Infectious Diseases Gene Transfertechnologies Antibiotics Restriction and Modification Enzymes |
Which of the following is a pair of diseases caused by Gram-positive bacteria?
Which of the following diseases is/are caused by viruses with single stranded RNA genome?
- Rabies
- Breakbone fever
- Infantile paralysis
Which one of the following sets of diseases is caused by different types of harmful viruses and mainly affects the human brain?
Which of the following diseases is caused by a DNA virus?
Which of the following are examples of human sexually transmitted infection caused by bacteria?
- The clap
- Trich
- Syphilis
- Chlamydia
Which of the following diseases is/are caused by Gram-positive coccus bacteria?
- Pertussis
- Pneumococcal pneumonia
- Diphtheritic croup
Which of the following is a viral respiratory disease?
Which of the following viral diseases is/are caused by double-stranded DNA viruses?
- Morbilli
- Epidemic parotitis
- Varicella disease
- Red plague
Which of the following diseases is/are caused by Gram-positive spore forming bacteria?
- Anthrax
- Tetanus
- Cholera
- Typhoid
Match the following diseases with their causative agent and vector |||| |---|---|---| |Disease |Causative agent |Vector| |P. Dumdum fever|i. Plasmodium spp.|1. Tse-tse fly| |Q. African trypanosomiasis|ii. Leishmania donovani|2. Sandfly| |R. Epidemic louse-borne typhus|iii. Trypanosoma brucei |3. Mosquito| |S. Malaria|iv. Rickettsia prowazekii|4. Body louse|
Assertion: Flavr Savr tomato was the first commercially grown genetically engineered food to be granted a license for human consumption. Reason: Flavr Savr tomatoes were developed using recombinant DNA techniques to express the trait of early softening of tomato fruit.
Which of the following is a pair of antibiotics that act by disrupting the synthesis of the murein layer of bacterial cell walls?
Match the column – I with column – I ||| |---|---| |Column – I|Column – II| |P. Hookworm|1. Necator americanus| |Q. Threadworm|2. Caenorhabditis elegans| |R. Roundworm|3. Enterobius gregorii| |S. Whipworm|4. Trichuris suis|
Different steps of Variable Number of Tandem Repeats (VNTR) technique are given below: (i) Isolation of DNA, (ii) Separation of DNA fragments by electrophoresis (iii) Digestion of DNA by restriction endonucleases (iv) Hybridisation using labelled VNTR probe (v) Transferring (blotting) of separated DNA fragments to synthetic membranes, such as nitrocellulose or nylon (vi) Detection of hybridised DNA fragments by autoradiography.
The first and the last steps are placed correctly. Which one of the following arrangements of steps (ii) to (v) is correct?
Assertion: Zinc-finger nucleases (ZFNs) are artificial restriction enzymes. Reason: The DNA-binding domains of individual ZFNs typically contain between nine and eighteen individual zinc finger repeats.