General Knowledge Quiz Test 8 Start your test Q1. The sun appears red at sunrise and sunset while it appears white at noon because of _____. Refraction It is cooler at sunrise and at sunset Diffraction leading to red end of the spectrum reaching the earth Scattering of light due to dust particles and air molecules None Q2. The most important stimulant in tea leaves is Brucine Caffeine Phenylalanine Theine None Q3. In an oil lamp, the oil rises up in the wick due to _____? Capillary action Atmospheric pressure Viscosity of oil Change in temperature None Q4. A lake starts freezing because of the cold atmosphere, It will first freeze At the bottom In the middle part At the top surface Uniformly throughout the water body None Q5. An iceberg is floating in sea. How much of its mass will remain above the surface of water? One tenth One fifth One fourth One Third None Q6. Heating element of an electric heater is made up of _____? Tungsten Graphite Chromium Nichrome None Q7. A woman’s voice is shriller than a man’s due to _____? Higher Frequency Lower frequency Higher amplitude Weak vocal chords None Q8. Liquids that evaporate quickly are known as ________ liquids. Viscous Transient Volatile Light None Q9. How many Acres are there in one Hectare? 2.47 3.47 4.47 5.47 None Q10. The longest and the strongest bone in the human body is _____. Tibia Femur Pelvis Jaw None Q11. Vinegar is prepared by the _____. Fuming of date palms Fermentation of rotten grapes Fermentation of apple cider in the presence of air Dehydration of wine None Q12. The sky appears blue because the earth’s atmosphere _____? Scatters blue light Transmits blue light Reflects blue light Has actual blue cover None Q13. Ball bearings are used in cycles, scooters etc. to ________. Reduce the friction between the wheel and the axle Increase the friction between the wheel and the axle Reduce the friction between ground and the wheel None of these None Q14. Three dimensional image formed by laser is called ________. Photograph Hologram Two dimensional sketch Photocopy None Q15. Recording of brain waves from outer surface of head is called _____. E.C.G. MRI C.T. scan E.E.G None Q16. The Earth takes about _________ to complete one rotation around its axis. 48 hours One month 24 hours 365 days None Q17. If a ship travels from fresh water to a sea or ocean, it will: Rise a little higher Sink completely Sink a little lower Remain unaffected None Q18. The satellites which revolve in such an orbit, so that they move with earth rotation are called: Geo satellites Stationary satellites Geo-stationary satellites Earth-space satellites None Q19. Water has maximum density at _____? 0°C 4°C 40K 4.8°C None Q20. Where is blood formed in the human body? Heart Bone marrow Spleen Liver None Q21. When a gas turns into a liquid the process is called: Condensation Evaporation Deposition Sublimation None Q22. For being able to see three- dimensional pictures we have to use A bioncular An epidiascope A stereoscope A camera None Q23. Which type of Uranium is used in the fission process? Uranium – 234 Uranium - 235 Uranium - 236 Uranium - 237 None Q24. The absorption of ink by blotting paper involves: Viscosity of ink Capillary action phenomenon Diffusion of ink through the blotting Siphon action None Q25. Plutonium is used as _____. Fuel for Nuclear Fission Fuel for Nuclear Fusion Source of Chemical Energy Source of Light Energy None Time's upTime is Up!
