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MCQ Questions for Class 12 Biology Set 6

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1. Who discovered Restricted endonucleas enzymes?




2. DNA obtained for DNA finger printing:




3. Two microbes found tb be very useful in Genetic Engineering are:




4. Plasmid is a:




5. Restriction endonuclease cuts:




6. Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from :




7. Golden rice is a promising transgenic crop. When released for cultivation, it will help in :




8. Triticale, first man made cereal crop, has been obtained by crossing wheat with:




9. Viral genome incroporatcd into host DNA is called:




10. DNA element with ability to change its position is called:




11. Restriction Endonuclease used in RDT obtained from:




12. Recombinant DNA technology discovered by:




13. Biopiracy is related to the following:




14. Some bacterial occured B-7 Toxin’s crystal not kill the Bacteria because of:




15. Desired properties plants and Animals are possible by Which reproduction.




16. By means of following Trans gene expression obtained:




17. First Transjenic crop was :




18. Adjoining of exotic gene is crop is called :




19. Transgenic Bacteria and m the making of following :




20. Transgenic Golden Rice Highly Nutrient value for:




21. B7 Toxsin is :




22. In a Transgenic crop gene for following:




23. Monoclonal antibodies are obtained from:




24. Which Vitamin has been transferred to golden rice?




25. Which one of the following is a step of PCR?




26. The Ti plasmid used in genetic engineering is obtained from:




27. From which one of the following plants, the insecticide pyrethrum is prepared.




28. The sheep ‘Dolly’ was cloned by using somatic cells from donor’s:




29. The confirmatory test used to diagnose AIDA is:




30. Natural genetic engineer is :




31. Bt toxin is :




32. Golden rice is a transgenic crop of the future with the following improved trail:




33. First biochemical to be produced commercially by microbial cloning and genetic engineering:




34. A technology which has found immense use in solving cases of disputed percentage is:




35. Anticoagulant hirudin is found in:




36. Herbicide resistant gene in plants is:




37. The species used as natural genetic engineer is :




38. Most widely used Bioweapon is:




39. Bacillus thruingiensis (Bt) strains have been used for designing nobel:




40. Habitat together with functions of a species constitute its:




41. The maximum growth rate occurs in :




42. In which one of the following habitats, does the diurnal temperature of soil surface veiw most?




43. Science linking heredity with environment is:




44. Submerged hydrophytes havedisseced leaves for:




45. Water holding capacity is maximum in:




46. Animals undergo inactive stage during winters. It is called :




47. Praying mantis is a good example of:




48. Niche overlap is:




49. Animals have innate ability to escape from predation. Select the incorrect example:




50. Ozone protects biosphere from high energetic: