General Knowledge : General Science QUESTIONS AND ANSWERS :: part22 : 86 to 90
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
86.Give the chronological order of the birth of the following scientists. 1. John Dalton2. Linus Pauling3. Dmitri Mendeleev4. Ptolemy |
| 1, 3, 2, 4 |
| 1, 4, 3, 2 |
| 2, 3, 1, 4 |
| 2, 4, 3, 1 |
87.The main constituents of pearls are : |
| calcium carbonate and magnesium carbonate |
| calcium oxide and ammonium chloride |
| aragonite and sodium carbonate |
| ammonium sulphate and sodium carbonate |
88.The organs different but perform the same function are called : |
| homologous organs |
| analogous organs |
| vestigial organs |
| none of these |
89.The filament of an electric bulb is made of : |
| iron |
| nichrome |
| tungsten |
| graphite |
90.Bagasse, a by-product of sugar manufacturing industry, is used for the production of : |
| nylon |
| glass |
| paper |
| alcohol |
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