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UPSC Science & Technology PYQs 2011 | Vaidra | Vaidra
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Science & Technology UPSC PYQ 2011

31 questions from the UPSC 2011 examination. Showing a preview of 3 below — generate a full practice test to solve the rest.

3 questions

1Medium1 mark
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?
AAspartame is as sweet as table sugar, but unlike table sugar, it is not readily oxidised in human body due to lack of requisite enzymes
BWhen aspartame is used in food processing, the sweet taste remains, but it becomes resistant to
CAspartame is as sweet as sugar, but after ingestion into the body, it is converted into metabolites that yield no calories
DAspartame is several times sweeter than table sugar, hence food items made with small quantities of aspartame yield fewer calories on
2Medium1 mark
A company, marketing food products advertises that its items do not contain trans-fats. What does this campaign signify to the customers? [2011]
1. The food products are not made out of hydrogenated oils.
2. The food products are not made out of animal fats/oils.
3. The oils used are not likely to damage the cardiovascular health of the consumers.
Which of the statements given above is/are correct?
A1 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
3Medium1 mark
A genetically engineered form of brinjal, known as the Bt‑brinjal, has been developed. The objective of this is? [2011]
ATo make it pest-resistant.
BTo improve its taste and nutritive qualities.
CTo make it drought-resistant.
DTo make its shelf-life longer.

28 more Science & Technology 2011 questions await

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