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SOE DRIVE PROGRAM WINTER 2015 B.Com FP SEMESTER SEMESTER - IV SUBJECT CODE & NAME BK ID CREDIT MARKS Q.No 1 A BFP 401 & Foundation in Science and Technology B1589 4 60 Marks Total Marks Criteria What do you understand by genetic engineering and enzyme immobilization? 10 marks Unit no- 7 sub.section-7.6 ,pg.no-128 Genetic engineering is the technique of introducing foreign DNA fragments into host cells so that certain functions specific to the 5 foreign DNA can be carried out within them. Enzyme immobilisation is a technique which is used to chemically bind enzymes to certain substances so that they are not lost in a single chemical reaction but can be extracted and 5 reused. 2 What are the requisites for self-reliance? 10 10 marks A Unit no- 10 sub.section-10.5 ,pg.no-175 Development of confidence, freedom of action and independent implementation of decisions 10 and advancement in science, technology and economy for one's own interest.Self-reliance as a policy very well fits with the objectives of handling problems that affect large masses of people. 10 3 Comment on the application areas of robotics. A Unit no- 8 sub.section- 8.4 ,pg.no-140 A robot is a programmed computer which can do many jobs at a time and also can be reprogrammed for different uses. A robot can drill holes of several different sizes, sort vegetables, shear sheep, pluck chickens, form rice cakes and assemble mechanical parts. 4 A 10 marks 10 10 Why DNA is negatively charged? 10 marks Unit no-12,pg.no-203 The deoxyribo nucleic acid or DNA is negatively 10 charged and it moves in the solution towards the cathode which is a positively charged electrode. The phospho-di-ester bonds in the DNA stand as the reason for the presence of slightly negative charge on it. 10 5 What do you think are the social objectives of India? List at least three areas in which science and technology can help us in achieving them. 10 marks A Unit no- 9 sub.section-9.5 ,pg.no-162 Identify social objectives 5 10 Increasing industrial production, Growth in 5 agriculture, Egalitarian distribution of benefits human welfare. 6 Why water is called a universal solvent? A Unit no- 11, pg.no-194 and Water is called the ‘Universal Solvent’ because it has the ability to dissolve most of the 10 compounds in it. This is possible because of the polarity which water has. The molecule of the water comprise of two elements hydrogen and oxygen. *A-Answer Science for 10 marks 10