General Knowledge : General Science QUESTIONS AND ANSWERS :: part3 : 66 to 70
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
66.The tooth with three roots is |
| Molar |
| Pre - molar |
| Incisor |
| Canine |
67.Rocket works on the principle of |
| conservation of mass |
| conservation of energy |
| conservation of momentum |
| None of these |
68.Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not ? |
| Spectrophotometer |
| Microscope |
| Scintillation counter |
| Lead plate |
69.Which of the following combinations of aperture and shutter speed of a camera will allow the maximum exposure ? |
| F-5.6,1/1000 |
| F-8,1/250 |
| F-16,1/125 |
| F-22,1/60 |
70.Which of the following glands is situated beneath the brain and whose oversecretion produces giant-size children ? |
| Pituitary |
| Thyroid |
| Adrenal |
| Pancreas |
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