[{"id":1067029,"question":"The mats on the sediments in the sea are dominatedby ","choices":[{"text":"Cyanobacteria","value":"A"},{"text":"Pseudomonas","value":"B"},{"text":"Actinomycetes","value":"C"},{"text":"Chemosyntheitc bacteria","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067028,"question":"The group of bacterial which played most important role in history  of the arth for increasing  free oxygen in atmosphere.","choices":[{"text":"Cyanobacteria","value":"A"},{"text":"sprroplasmas","value":"B"},{"text":"Mycoplasmas","value":"C"},{"text":"Pseudomonas","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067027,"question":"margulis and Schwartz classified bacterial into...............phyla.","choices":[{"text":"8","value":"A"},{"text":"16","value":"B"},{"text":"27","value":"C"},{"text":"5","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067026,"question":"The fossil record of prokaryotes shows that archea and bacterial were abundatn...............years ago.","choices":[{"text":"2.5 million ","value":"A"},{"text":"3.5 million ","value":"B"},{"text":"3.5 billion ","value":"C"},{"text":"1.5 billion ","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1067025,"question":"The structure which connects basal body with filament, in bacteria is.","choices":[{"text":"Rotating ring","value":"A"},{"text":"Hook","value":"B"},{"text":"Pilus","value":"C"},{"text":"Plasmid","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067024,"question":"Basal body consisting of of rotating rings is found in","choices":[{"text":"Gram negative","value":"A"},{"text":"Gram positive","value":"B"},{"text":"Both a and b","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067023,"question":"The bacterial with tuft of flagella at both poles is","choices":[{"text":"Amphitrichous","value":"A"},{"text":"Atrichous","value":"B"},{"text":"Pritrichous","value":"C"},{"text":"Lophotrichous","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067022,"question":"Spirochetes move by ","choices":[{"text":"Flexing","value":"A"},{"text":"Axial filament","value":"B"},{"text":"Modified flagellum","value":"C"},{"text":"All of above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1067021,"question":"The type of movement in bacteria whcih is due to expansion created by pushign force of dividing cells is.","choices":[{"text":"Sliding","value":"A"},{"text":"Gliding","value":"B"},{"text":"Twitching","value":"C"},{"text":"Swarming","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067020,"question":"The movement used to move over surfaces mediated by pili is called.","choices":[{"text":"Crawling","value":"A"},{"text":"Twitching","value":"B"},{"text":"Both a and b","value":"C"},{"text":"Flagella movement","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1067019,"question":"Which of the following is similar to twitching movements.","choices":[{"text":"Gliding","value":"A"},{"text":"Crawling","value":"B"},{"text":"Browninan movement","value":"C"},{"text":"Swarming","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067018,"question":"Counter clockwise rottion of flagellium pushes the cell","choices":[{"text":"Forward","value":"A"},{"text":"Backward","value":"B"},{"text":"Medially","value":"C"},{"text":"Laterally","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067017,"question":"When a bacterial popuation moves together by means of flagella. It is called.","choices":[{"text":"Twitching","value":"A"},{"text":"Crawling","value":"B"},{"text":"Swarming","value":"C"},{"text":"Brownian movement","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1067016,"question":"The proecess by which bacteria make endospores is called.","choices":[{"text":"Sporoulation ","value":"A"},{"text":"Fragmentation ","value":"B"},{"text":"Sporogony","value":"C"},{"text":"Lysis","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1067015,"question":"Many bacterial can survive extended periods of harsh conditions by forming specialized cells cailed.","choices":[{"text":"Exospores","value":"A"},{"text":"Endospores","value":"B"},{"text":"megaspores","value":"C"},{"text":"Microspores","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067014,"question":"Smaller subunit of bacterial ribosome sediments at.","choices":[{"text":"50 S","value":"A"},{"text":"30 S","value":"B"},{"text":"70 S","value":"C"},{"text":"80 S","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1067013,"question":"The structur ein bacteria, that enable them to resist against antibiotics","choices":[{"text":"Plasmid","value":"A"},{"text":"Ribosomes","value":"B"},{"text":"Cell wall","value":"C"},{"text":"Cell membrane","value":"D"},{"value":"E"}],"correctAnswer":1}]