General Science Quiz Test 6 Start your test Q1. The number of oscillations per second is called the hertz wavelength pitch frequency None Q2. Sound waves from a loudspeaker are caused by frequency vibrations pitch amplitude None Q3. The guitar has __________ strings. 4 5 6 7 None Q4. The device used to measure movements of the heart is Cardiograph Seismograph Hydrometer Hygrometer None Q5. The unit used to measure Pressure is pascal newton watt tesla None Q6. There are __________ methods of heat transfer. 3 4 5 6 None Q7. Which from the following is NOT a method of heat transfer? Conduction Convection Radiation All are methods of heat transfer None Q8. If we heat one end of metallic rod, the other end gets hot. The method of heat transfer is Conduction Convection Radiation None of these None Q9. A person seated in front of a fire receives heat by Conduction Convection Radiation None of these None Q10. The unit used to measure magnetic flux is Pascal Farad Weber Henry None Q11. Battery was invented by Volta Hero Fermi Maiman None Q12. The most abundant element in the earth‘s crust is oxygen. The second most abundant element in the earth‘s crust is Hydrogen Nitrogen Brass Silicon None Q13. The nearest planet to the Sun is Mercury Venus Mars Jupiter None Q14. Bronze is an alloy of Iron, Carbon Copper, Tin Nickel, Zinc Mercury, Lead None Q15. Molecules with identical molecular formulae but with different structural formulae are called Isotopes Isomers Electrode Compound None Q16. One way of transfer of heat energy is convection which occurs in Liquids only Gasses only Liquids and gasses Liquids, gasses and solids None Q17. Which from the following is incompressible Solids Liquids Gasses All are compressible None Q18. The key factor in determining the weather is the quantity of ________ in the atmosphere. Water vapour Oxygen Carbondioxide Hydrogen None Q19. The entropy of the universe is Increasing Decreasing Constant None of these None Q20. Which from the following methods of heat transfer can take place in a vaccum? Canduction Convection Radiation All of the above None Q21. Neutrons were discovered by F.W. Aston Rutherford Einstein James Chadwick None Q22. Mass Spectrograph was invented by Einstein James Chadwick F.W. Aston Rutherford None Q23. Nucleus was discovered by Einstein James Chadwick F.W. Aston Rutherford None Q24. Which is the process of science? Observation > Experiments > Hypothesis Hypothesis > Observations > Experiments Observation > Hypothesis > Experiments Experiments > Observations > Hypothesis None Q25. Salty water can be made pure by the method of filtration evaporation chromatography distillation None Time's upTime is Up!
