(1). Action of topoisomerase leads to changes in a. Linking number of single-stranded linear DNA b. Lining number of double stranded linear DNA c. Linking number of closed circular single stranded DNA d. Linking number of closed circular double stranded DNA (2). Sarcomas are cancers originating from: a. Spleen b. […]
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DBT BET JRF Exam 2017 Model Questions with Answer Key and Explanations Part 1
DBT BET JRF Exam, 2017 Model Question Paper with Answer Key and Explanations (Biology / Life Sciences MCQ: Multiple Choice Questions) (1). _____ can serve as an alternative to ethidium bromide to stain DNA for detection on gels a. Mitomycin C b. Acridine orange c. SYBR Green I d. Acriflavine […]
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MCQ on History of Microbiology
(1). Who discovered Mycobacterium tuberculosis? a. Koch b. Jenner c. Pasteur d. Virchow (2). Mycobacterium lepree was discovered by: a. Pasteur b. Jenner c. Koch d. Hansen (3). Antibodies were discovered by: a. Edelman b. Porter c. Edelman and Porter d. Edelman and Hess (4). Streptococcus pneumonia was discovered by: […]
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Microbiology Scientists and their Contributions (MCQ-4)
MCQ on Scientists and Discoveries in Microbiology Part 1 (1). Scientist who demonstrated that open tubes of broth remained free of microbes when air was free of dust: a. Tyndal b. Pasteur c. Petri d. Francesco Redi (2). Who discovered bacterial transformation? a. Jenner b. Griffith c. […]
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NEET PG Microbiology Practice Questions
Microbiology MCQ – 02 1. Glucans, Mannans and Chitin are found to be present in the cell wall of ______ a. Plants b. Eubacteria c. Fungi d. Actinomycetes 2. _____ is a synthetic Antimicrobial drug against Mycobacterium tuberculosis. a. Penicillin b. Tetracycline c. Erythromycin d. Isoniazid 3. Who isolated Streptococcus […]
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