CSAT PRELIMS General Studies Paper 1
UPSC: Civil Service Prelims 2011 General Studies (Paper - 1) 1.) Biodiversity forms the basis for human existence in the following ways : 1. Soil formation 2. Prevention of soil erosion 3. Recycling of waste 4. Pollination of crops Select the correct answer using the codes given below: (a.) 1, 2 and 3 only (b.) 2, 3 and 4 only (c.) 1 and 4 only (d.) 1, 2, 3 and 4 Ans. d (2.) Aspartame is an artificial sweetener sold in the market. It consists of amino acids and provides calories like other amino acids. Yet, it is used as a low-calorie sweetening agent in food items. What is the basis of this use? (a.) Aspartame is as sweet as table sugar, but unlike table sugar, it is not readily oxidized in human body due to lack of requisite enzymes (b.)When aspartame is used in food processing, the sweet taste remains, but it becomes resistant to oxidation (c.) Aspartame is as sweet as sugar, but after ingestion into the body, it is converted into metabolites that yield no calories...