Microbial Culture and Diseases (GATE - XL)

GATE

15 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is an example of non-selective media which are used in isolation of pathogenic bacteria?

  1. Chocolate blood agar
  2. Hektoen enteric agar
  3. Hoyle's agar
  4. Xylose lysine deoxycholate agar
  5. MacConkey agar
Question 2 Multiple Choice (Single Answer)

Which of the following is/are food-borne disease(s)?

  1. Botulism
  2. Kuru
  3. Listeriosis
  4. Consumption
  1. 1 and 2
  2. 1 and 3
  3. 1 and 4
  4. 2 and 3
  5. 2 and 4
Question 3 Multiple Choice (Single Answer)

Which of the following is a sexually transmitted infection caused by bacteria?

  1. Kuru disease
  2. Bovine spongiform encephalopathy
  3. Herpes
  4. Syphilis
  5. Trichomoniasis
Question 4 Multiple Choice (Single Answer)

Which of the following is a culture medium for a genus of bacteria that colonise the mucosal surfaces of many animals?

  1. Eaton's agar
  2. Thayer-Martin agar
  3. Bismuth sulfite agar
  4. Bordet-Gengou agar
  5. Löwenstein–Jensen medium
Question 5 Multiple Choice (Single Answer)

Which of the following is a non-segmented, single-stranded DNA virus?

  1. Rotavirus
  2. Cypovirus
  3. Parvovirus
  4. Rhinovirus
  5. Picornavirus
Question 6 Multiple Choice (Single Answer)

Which of the following is a pair of catalase-positive bacteria?

  1. Enterobacter and Klebsiella
  2. Enterococcus and Streptococcus
  3. Enterobacter and Enterococcus
  4. Enterococcus and Klebsiella
  5. Klebsiella and Streptococcus
Question 7 Multiple Choice (Single Answer)

Which of the following gram-positive, soil-dwelling bacteria is used as a biological pesticide?

  1. Beauveria bassiana
  2. Bacillus thuringiensis
  3. Penicillium camemberti
  4. Monascus purpureus
  5. Acremonium chrysogenum
Question 8 Multiple Choice (Single Answer)

Which of the following families has/have double-stranded RNA viruses?

  1. Adenoviridae
  2. Rhabdoviridae
  3. Reoviridae
  1. Only 1
  2. Only 2
  3. Only 3
  4. 1 and 2
  5. 2 and 3
Question 9 Multiple Choice (Single Answer)

Which of the following is used to culture or grow certain bacteria, particularly the gram-negative species Legionella pneumophila?

  1. VRBD agar
  2. MSA agar
  3. BCYE agar
  4. PCA agar
  5. Nutrient agar
Question 10 Multiple Choice (Single Answer)

Match the columns:

 
Column I Column II
P. S. aureus 1. Gram-negative rod-shaped bacteria
Q. L. monocytogenes 2. Gram-negative spiral bacteria
R. B. pertussis 3. Gram-positive coccus-shaped bacteria
S. T. pallidum 4. Gram-positive rod-shaped bacteria
  1. P - 1; Q - 2; R - 3; S - 4
  2. P - 2; Q - 1; R - 4; S - 3
  3. P - 2; Q - 3; R - 4; S - 1
  4. P - 3; Q - 4; R - 1; S - 2
  5. P - 4; Q - 3; R - 2; S - 1
Question 11 Multiple Choice (Single Answer)

Which of the following tests is used to detect acetyl methyl carbinol in a bacterial broth culture?

  1. Citrate test
  2. Indole test
  3. Methyl red test
  4. Rapid urease test
  5. Voges-Proskauer test
Question 12 Multiple Choice (Single Answer)

Which of the following is used for the detection and isolation of gram-negative intestinal pathogens?

  1. Mannitol salt agar
  2. Czapek dox agar
  3. Sabouraud agar
  4. Potato dextrose agar
  5. Eosin methylene blue agar
Question 13 Multiple Choice (Single Answer)

Which of the following diseases is/are caused by bacteria?

  1. Scarlatina
  2. Bronze john
  3. Enteric fever
  4. Desert rheumatism
  1. 1 and 2
  2. 1 and 3
  3. 1 and 4
  4. 2 and 3
  5. 2 and 4
Question 14 Multiple Choice (Single Answer)

Which of the following diseases is/are caused by positive-sense single-stranded RNA virus?

  1. Hepatitis C
  2. Chikungunya
  3. Rubeola
  4. Infantile paralysis
  1. 1, 2 and 3
  2. 1, 2 and 4
  3. 1, 3 and 4
  4. 2, 3 and 4
  5. 1, 2, 3 and 4
Question 15 Multiple Choice (Single Answer)

Match the following:

 
Column I Column II
P. Edward Jenner 1. Phagocytosis
Q. Elie Metchnikoff 2. Smallpox vaccine
R. Wiener and Landsteiner 3. Hybridomas
S. Milstein, Kohler and Jerne 4. Rh factor
  1. P - 1; Q - 2; R - 3; S - 4
  2. P - 2; Q - 1; R - 4; S - 3
  3. P - 2; Q - 3; R - 4; S - 1
  4. P - 3; Q - 1; R - 4; S - 2
  5. P - 4; Q - 3; R - 2; S - 1