51). A substance which readily forms colloidal solution in contact with water is called
| A). Extrinsic colloid |
| B). Associated colloid |
| C). Hydrophobic colloid |
| D). Hydrophilic colloid |
|
52). An astronaut in outer space will observe sky as
| A). white |
| B). black |
| C). blue |
| D). red |
|
53). Which one of the following lenses should be used correct the defect of astigmatism ?
| A). Cylindrical lens |
| B). Concave lens |
| C). Convex lens |
| D). Bifocal lens |
|
54). Electron was discovered by
| A). Ernest Rutherford |
| B). Max Planck |
| C). Joseph Thomson |
| D). Albert Einstein |
|
55). The first thermionic valve was invented by
| A). Thomas Edison |
| B). Richardson |
| C). J.A. Fleming |
| D). Lee Dc Forest |
|
56). The science dealing with the study of teeth is
| A). Odontology |
| B). Ornithology |
| C). Phenology |
| D). Cosmology |
|
57). When formaldehyde and potassium hydroxide are heated, we get
| A). Acetylene |
| B). Methyl alcohol |
| C). Methane |
| D). Ethyl formate |
|
58). The enzyme in whose presence glucose and fructose are converted into alcohol is
| A). Diastase |
| B). Maltase |
| C). Invertase |
| D). Zymase |
|
59). Which of the following acids is manufactured using sawdust ?
| A). Oxalic acid |
| B). Citric acid |
| C). Acetic acid |
| D). Butyric add |
|
60). The study of visceral organs is
| A). Angiology |
| B). Arthrology |
| C). Anthrology |
| D). Splanchnology |
|
