National Testing Service — Complete MCQ Bank
NTS tests evaluate aptitude, analytical reasoning, quantitative ability, English and subject knowledge for admissions, scholarships and recruitment.
Which colorless and odorless gas is particularly dangerous because it can cause poisoning without detection unless monitored?
Which common gas leak hazard in homes is often detected by its distinctive rotten egg smell added intentionally for safety?
Which storage practice helps slow down the ripening and spoilage process of most fruits and vegetables?
Which common food safety practice prevents cross contamination between raw meat and other foods?
Which everyday hygiene practice is most effective in preventing the spread of common cold and flu viruses?
Which type of microorganism is responsible for causing common food spoilage through mold growth?
Which microorganism is primarily responsible for fermenting sugars into alcohol in brewing and winemaking?
Which microorganism is primarily responsible for fermenting milk into yogurt?
Which gas produced during fermentation causes dough to rise when making bread?
Which everyday material is commonly used as a natural disinfectant due to its antimicrobial properties?