Quiz 248: General Science for Civil Services Preliminary Examination October 28, 2009 1. Which component in light causes suppression of melatonin produced by the pineal gland?RedBlueGreenIndigo2. The combination of a Red Glass Plate and a Blue Glass plate will transmit which of the following light?Red lightBlue LightGreen LightNo Light3. Which among the following statement is correct about Fluorescence?High Energy Photon is absorbed and low energy photon is emittedLow Energy Photon is absorbed and high energy photon is emittedHigh Energy Photon is absorbed and electron is emittedLow Energy Photon is absorbed and electron is emitted4. Cassiterite is an ore of which of the following ?IronZincCopperTin5. Most part of the Cosmic rays that impinge on earth’s atmosphere are __?ElectronsProtonsNeutronsGamma rays6. Steel is an alloy consisting mostly of iron, with a carbon content between 0.2% and 2.1% by weight. An increasing amount of Iron will result in which of the following?Increase HardeningDecrease HardeningIncrease ductilityIncrease melting Point7. Who among the following proved that Bacteria don’t originate by spontaneous generation?RediPasteurHookeShleiden8. The blood pressure is denoted as following?Systolic Pressure / Diastolic PressureDiastolic Pressure / Systolic PressureVenous Pressure / Systolic PressureSystolic Pressure / Pulse Pressure9. Newton-meters per second is represented as follows?OhmVoltWattCalorie10. Which among the following is not an Enzyme?GastrinPtyalinPepsinRenninSubmit Test « Previous Next »