Tiêu đề BIOXII12_ BIOTECHNOLOGY AND ITS APPLICATIONS.pdf ✅

NEET PREPARATION 20. Identify the part labelled A and B [Q347658] (a) A-Fully mature cot‐ ton ball, B-Destroyed by bollworm (b) A-Destroyed by bollworm, B-Fully ma‐ ture cotton ball (c) A- Destroyed by M.incognitia , B-Fully mature cotton ball (d) A- Destroyed by B. thuringiensis , B-Fully mature cotton ball 21. Biopiracy is related to? [Q347808] (a) Traditional knowl‐ edge exploitation (b) Biomolecules and bioresources exploitation (c) Stealing of tradi‐ tional knowledge about bio resource (d) All of the above 22. What is the merit of using the recombinant ther‐ apeutics instead of bovine insulin (from cow) in diabetic patients? [Q347737] (a) It leads to severe hyperglycemia (b) It is expensive (c) Do not induce un‐ wanted immunological responses (d) It leads to severe hypoglycemia 23. Which of the following statements is incorrect about gene therapy in ADA deficiency? [Q347698] (a) Patient does not re‐ quire periodic infusion of genetically engi‐ neered lymphocytes. (b) Lymphocytes are then introduced in the body of patient. (c) A functional ADA cDNA using a retroviral vector is introduced into these lymphocytes. (d) Lymphocytes from patients' blood are taken out and cultured. 24. Bacillus thuringiensis forms protein crystal during a particular phase of their growth which contain [Q347684] (a) Insecticidal protein (b) Bactericidal (c) Herbicidal protein (d) All of these 25. Insulin consists of two short polypeptide chains: chain____ and chain____, that are linked together by____? [Q347749] (a) A, C, disulphide bridges (b) A, B, hydrogen bridges (c) A, B, disulphide bridges (d) A, C, hydrogen bridges 26. Which of the following are the critical research areas of biotechnology? [Q347695] (a) Providing best catalyst (b) Creating optimal conditions for catalyst function (c) Downstreaming pro‐ cessing technique (d) All of the above 27. Technique used to detect mutated genes is called [Q347777] (a) Gel electrophoresis (b) Polymerase chain reaction (c) Gene therapy (d) Autoradiography 28. When was the first transgenic cow, Rosie, pro‐ duced? [Q347900] (a) 1995 (b) 1997 (c) 1983 (d) 1987 29. Clone is a [Q347772] (a) Homozygote pro‐ duced by sexual reproduction (b) Heterozygote pro‐ duced by sexual methods (c) Homozygote ob‐ tained asexually (d) Heterozygote ob‐ tained asexually 30. Which method of cellular defense is common in all eukaryotic organisms? [Q347845] (a) RNA interference (b) Reverse transcription (c) VNTR (d) Phagocytosis 31. Transgenic animals are used in the study of complex factors involved in growth such as [Q347857] (a) Growth hormone (b) Insulin-like growth factor (c) GnRH (d) Growth hormone re‐ lease factor 32. Insect resistant transgenic cotton has been pro‐ duced by inserting a piece of DNA from [Q347682] (a) Insecta (b) Prokaryote (c) Protista (d) A virus
NEET PREPARATION 33. Human Insulin is being commercially produced from a transgenic species of [Q347733] (a) Rhizobium (b) Saccharomyces (c) Mycobacterium (d) Escherichia coli 34. The main challenge for production of insulin using rDNA techniques was getting insulin as‐ sembled into a mature form. Why was it so? [Q347741] (a) - peptide is absent in mature insulin (b) - peptide is added to proinsulin (c) - peptide is absent in mature insulin (d) - peptide is added to proinsulin 35. The application of biotechnology includes [Q347657] (a) Waste treatment and energy production (b) Therapeutics, diagnostics (c) Processed food, bioremediation (d) All of them 36. Which substance is tested in case of toxicity/ safety testing using transgenic animals? [Q347889] (a) Chemicals (b) Pathogen (c) The amount of DNA in the cell (d) The amount of toler‐ able radiation levels of an organism 37. Genetic engineering can be used to- i. alter the performance of genetically modified organism. ii. produce multiple copies of a desired DNA se‐ quence. iii. Generate many copies of specific genes. iv. Enhance the production of a specific gene product. [Q347896] (a) i, ii (b) ii, iii (c) i, ii, iii (d) i, ii, iii, iv 38. Out of the following which method/ process is used for increasing food production? [Q347638] (a) Agrochemical based agriculture, Organic agriculture (b) Genetically engi‐ neered crop-based agriculture (c) Both 1 and 2 (d) Using high quanti‐ ties of chemical fertilis‐ ers and pesticides 39. Which of the following molecular diagnostic techniques is used to detect the presence of a pathogen in its early stage of infection? [Q347773] (a) X-ray (b) Polymerase Chain Reaction (c) Blood routine (d) Radiography 40. Which of the following companies prepared hu‐ man insulin and in which year? [Q347740] (a) Ali Lilly, 1983 (b) Eli Lilly, 1983 (c) Ali Lillie, 1983 (d) Eli Lilly, 1986 41. What is the term used for animals that made to carry genes, which make them more sensitive to the toxic substances than other normal animals? [Q347861] (a) Transgenic (b) Recombinant (c) Transduced (d) Transformant 42. The regulatory body for the release of trans‐ genic crops is [Q347813] (a) Indian Patents Bill (b) IARI (c) GEAC (d) Indian Parliament 43. Match the columns I and II. Column I Column II A GEAC P Patent terms emergency provisions B Biopiracy Q Validity of GM reaserch C Indian parents bill R Use of bioresources illegally [Q347791] (a) (b) (c) (d) 44. Main objective of production of pest resistant plants is to [Q347690] (a) Increase the nutri‐ tional value of food (b) Eliminate weeds from the field (c) Increase the amount of chemical pesticide used (d) Decrease the amount of chemical pesticide used 45. Early diagnosis of disease can be done by the technique [Q347782] (a) ELISA (b) PCR (c) Recombinant DNA technology (d) All the above 46. Desired genes have been introduced into trans‐ genic animals to obtain large scale production of B B C C A − R, B − P, C − Q A − Q, B − R, C − P A − P, B − R, C − Q A − Q, B − P, C − R