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ISC Class XII Board Specimen 2020 : Biotechnology Paper 1

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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] Purines and pyrimidines. Triploids and haploids. Lac operon and Trp operon Blunt end and sticky end. Genomics and proteomics. (b) Answer the following questions: (i) Name the scientists who discovered the genetic code. (ii) Name any two growth regulators used in a culture medium. (iii) What are cell lines? (iv) Name the vitamin present in golden rice. (v) What is gynogenesis? [5] (c) Write the full form of each of the following: [5] (i) ICMR (ii) FBS (iii) BAC (iv) IEF (v) PAGE --------------------------------------------------------------------------------------------------------------------1 ISC SPECIMEN QUESTION PAPER - 2020

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