GENERAL SCIENCE - BOTANY - 3

35. A  flurascent dye used to st ain DNA-

Answer: Ethydium Bromide

36.  Which is the smallest virus-

Answer: Foot & mouth virus

37. An eight celled cubical shaped bacteria-

Answer: Sarcinia

38. An out growth from the surface of seed having large oil storing,cells which are help ful in seed dispersal-

Answer: Elaiosomes

39. The linkage in starch is ------

 Answer: glucosidic linkage

40.The railway sleepers are made from-

Answer: Cedrus deodar

41. Sudden appearance of ancesstral charectors in resent day organisms is called-

Answer: Atavism

42. First isolated restriction endonuclease is-

Answer: Hind-II

43. Darwinism was published in the year-

Answer: 1859

44. DNA formed from RNA by riverse transcription-

Answer: cDNA

45. A Part of DNA which codes for a single polypeptide chain-

Answer: Cistron

46. Father of plant physiology-

Answer: Stephen Hales

47. The chemical which blocks PQ binding site of P.S.II-

Answer: DCMU

48. The simplest biological light energy transducer-

Answer: Bacteriorhodopsin

49. Reagent used in RNA extraction is –

Answer: Guanadinium thiocyanate

50.The basepairs present in one turn of A  DNA-

Answer: II Base pairs
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