MCQs4All - General Sciences Collection

General Sciences MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Technologies, Inventions, laws of past papers

Question. The principal constituent of the atmosphere of the Earth is?
  1. ygen
  2. rbon
  3. drogen
  4. trogen
Question. Big Bang theory explains_____________?
  1. Origin of Universe
  2. Origin of Sun
  3. Laws of physics
  4. None of above
Question. The lens used in a simple microscope is____________?
  1. Concave
  2. Convex
  3. Cylindrical
  4. None
Question. An iceberg is floating in sea. How much of its mass will remain above the surface of water?
  1. One tenth
  2. One fifth
  3. One fourth
  4. One third
Question. Which type of rock may contain fossils?
  1. Igneous
  2. Metamorphic
  3. Sedimentary
  4. Crystals
Question. The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?
  1. 4 days
  2. 12 days
  3. 16 days
  4. 8 days
  5. None of these
Question. Quartz crystal in quartz watches work on the principle called?
  1. Photoelectric effect
  2. Stark effect
  3. Thermionic effect
  4. Piezo-electric effect
  5. None of these
Question. The muscles, tissues and blood all are made up of____________?
  1. Carbohydrate
  2. Proteins
  3. Vitamins
  4. Fats
Question. The Scientist who told “Heat is a form of Energy” was___________?
  1. Thomas Alva Edison
  2. Newton
  3. Joule
  4. Kepler
Question. Summer solstice means__________?
  1. longest day
  2. longest night
  3. smallest day
  4. none of these
Question. A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________?
  1. – 2O°C
  2. – 10°C
  3. + 10°C
  4. + 20°C
Question. Glass is made of the mixture of______________?
  1. Quartz and Mica
  2. Sand and Salt
  3. Sand and Silicates
  4. None of these
Question. Parsec is a unit of ___________?
  1. Energy
  2. Time
  3. Power
  4. Distance
  5. None of these