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ISC Class XII Board Exam 2018 : Biotechnology Paper 1 (Theory)

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ISC 12th
Indian School Certificate Examination (ISC), New Delhi
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BIOTECHNOLOGY PAPER 1 (THEORY) (Maximum Marks: 70) (Time allowed: Three hours) (Candidates are allowed additional 15 minutes for only reading the paper. They must NOT start writing during this time.) --------------------------------------------------------------------------------------------------------------------Answer Question 1 (compulsory) from Part I and five questions from Part II. The intended marks for questions or parts of questions are given in brackets [ ]. --------------------------------------------------------------------------------------------------------------------PART I (20 Marks) Answer all questions. Question 1 (a) Mention any one significant difference between each of the following: (i) (ii) (iii) (iv) (v) [5] Plasmids and cosmids Nucleotide and Nucleoside Lagging strand and leading strand Multipotent cells and unipotent cells Microinjection and biolistic (b) Answer the following questions: (i) Who coined the term vitamin? Write the chemical name of vitamin D. (ii) Why is amino acid said to be amphoteric? (iii) What is Bioremediation? (iv) What is a primer? (v) What are cryoprotectants? [5] (c) Write the full form of each of the following: [5] (i) NBPGR (ii) ARS (iii) RFLP (iv) HEPA (v) SCP --------------------------------------------------------------------------------------------------------------------This paper consists of 4 printed pages. 1218-878A Copyright reserved. Turn over

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