1. Drug resistance occurs

    Againstantibiotics and not against synthetic chemotherapeuticagents.    
    Because bacteriaare normal microbiota.    
    When antibioticsare used indiscriminately.    
    When antibioticsare taken after the symptoms

2. Assume you inoculated 100 cells into 100 mlnutrient broth. You then inoculated 100 cells of the same speciesinto 200 ml nutrient broth. After incubation for 24 hr, you shouldhave

    More cells inthe 200 ml.    
    More cells inthe 100 ml.    
    The same numberof cells in both.