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UPSC Biology
51. Inflammation of joints due to accumulation of uric acid crystals is called as
| Gout | Myasthenia gravis | Osteoporosis | Osteomalacia |
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52. chromosomes are visible with chromatids at this phase of mitosis
| Interphase | Prophase | Metaphase | Anaphase |
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53. Inheritance of ABO blood grouping is an example of
| Dominance | Codominance | Incomplete dominance | All of these |
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54. In a dihybrid cross between RRYY and rryy parents, the number of RrYy genotypes in F2 generation will be
| 4 | 3 | 2 | 1 |
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55. Identify a 47, + 21 disorder from the following
| Downs syndrome | Turners syndrome | Phenylketonuria | Klinefelter's syndrome |
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56. Uracil is present in RNA at the place of
| Adenine | Guanine | Cytosine | Thymine |
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57. Copying genetic information from one strand of DNA into RNA is
| Translation | Transcription | Transformation | Transduction |
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58. Millers closed flask contained
| CH4 | H2 | NH3 and Water vapour | All of these |
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59. Change of frequency of alleles in a population results in evolution is proposed in
| Darwins theory | Lamarcks theory | Hardy-Weinberg principle | De Vries theory |
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60. One of the following is the vestigial organ in human beings
| Nictitating membrane | Spleen | Femur | Tibia |
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