General Knowledge : General Science QUESTIONS AND ANSWERS :: part6 : 26 to 30
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
26.Magnesium is essential for plants as its helps in |
| flowering |
| root development |
| fruit ripening |
| chlorophyll formation |
27.The tape of a taperecorder is coated with |
| Zinc oxide |
| Copper sulphate |
| Mica |
| Ferromagnetic powder |
28.Which of the following animals is called a living fossil ? |
| Polystomella |
| Peripatus |
| Sea cucumber |
| Sacculina |
29.A chronometer miasures |
| sound waves |
| time |
| water waves |
| colour contarast |
30.Which of the following is the correct sequence of crop rotation with a view to increase soil fertility ? |
| Potato, Wheat, Pea, Barley |
| Wheat, Potato, Barley, Pea |
| Pea, Barley, Wheat, Potato |
| Barley, Pea, Wheat, Potato |
More General Science QUESTIONS AND ANSWERS available in next pages
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