🦠 Microbiology Solved MCQs with Answers

Practice 1927 approved 🦠 Microbiology questions with verified answers from the 🧬 Medical Science subject for Pakistan exams.

1927 solved MCQs

Most cats are usually infected with Toxoplasma gondii during ____________ feedingAnswer: Carnivorous Darkfield microscopy is used to diagnoseAnswer: Leptospira spp The common withdrawals time period of antibiotics in milk of animals areAnswer: 72-96 hours Which is / are fish borne zoonoses?Answer: All of the above Hemolytic uremic syndrome is caused by:Answer: E. coli Avian pneumo-encephilitis is observed inAnswer: Ranikhet disease Classical form of Marek's disease is characterized byAnswer: Enlarged sciatic nerve, lymphoproliferative lesions Caecal coccidiosis in poultry is caused byAnswer: Eimeria tenella Which one of the following is lactic acid utilising bacteria?Answer: Megasphaera elsdenii Consider the following statements: 1. The fat content of milk is calculated by lactometer. 2. Adulteration of milk fat with hydrogenated vegetable oils like vanaspati is detected by Baudoin test. 3. The Oswald Pipette is used to determine the Viscosity of milk. Which of the above statements is/are correct?Answer: 2 and 3 only Consider the following statements: 1. Pasteurization of milk under reduced pressure by direct steam is known as Vacuum Pasteurization. 2. Phosphatase test is used to detect inadequacy of pasteurization. Which of the above statements is/are incorrect?Answer: Neither 1 nor 2 is incorrect Which of the following could be termed as ‘Abortion Disease’?Answer: Brucellosis The adulteration of animal fat in ghee is tested through:Answer: Bomer’s Phyto-Sterol Test The responsibilities of meat products Control Order aims at:Answer: All of the above Food preservative to be avoided in processed food is:Answer: Potassium Bromate Standard milk contains:Answer: 5% Fat & 8.5% SNF Temperature-time protocol for HTST pasteurization is:Answer: 72°C / 15 seconds Multiplication of bacteria is highest during:Answer: Log phase Bacterial spoilage in chilled meat is due to:Answer: Psychrophilic bacteria The Parvo virus has close antigenic relationship with:Answer: Feline Pan Leucopenia Bacteria that can grow in both the presence or absence of air are known as:Answer: Facultative anaerobes Which one of the following drugs will reverse the effects of diazepam in case there is an overdose?Answer: Flumazenil Adverse reactions to the aminoglycoside antibiotics include all of the following EXCEPT:Answer: Myelosuppression and anemia Digitalis induced arrythmia is controlled by:Answer: Xylocaine Which is a polypeptide antibiotic?Answer: Bacitracin Organophosphorus compound causes:Answer: Phosphorylation of cholinesterase enzyme Sabin Feldman dye test is used for diagnosis of:Answer: Toxoplasmosis ‘Boot shaped’ spicules are found in:Answer: Protostrongylus rufescens Bovine Tropical Theileriosis is transmitted by:Answer: Rhipicephalus(B.) microplus Following subtypes of Avian Influenza are associated with severe disease in chickens:Answer: H5 and H7