Important Scientific (96) MCQs with Answers

A Barometer is a device used to measure ?

• A.Atmospheric Pressure
• B.Humidity
• C.Wind Speed
• D.Rainfall

Which one of the following is not a part of a microscope?

• A.Eyepiece
• B.Objective lens
• C.Couple
• D.Stage

Instrument used for measuring very high temperature is _?

• A.Thermometer
• B.Pyrometer
• C.Barometer
• D.Hygrometer

RADAR stands for ?

• A.Radio Detection and Ranging
• B.Radio Direction and Reflection
• C.Rapid Automatic Detection and Ranging
• D.None of these

What does a hydrometer measure?

• A.Atmospheric pressure
• B.Speed of wind
• C.Humidity of air
• D.Density of liquids

Which of the following instrumental component is not required in atomic emission spectrometer?

• A.Atomizer/Burner
• B.Monochromator
• C.Source of electromagnetic radiation
• D.Detector

Which of the following instruments may be used to measure the optical activity of a compound?

• A.Calorimeter
• B.Spectrophotometer
• C.Refractometer
• D.Polarimeter

Which atomic spectroscopy technique is commonly used for the analysis of trace elements in biological samples?

• A.Atomic absorption spectroscopy (AAS)
• B.Ultraviolet-visible spectroscopy (UV-Vis)
• C.X-ray fluorescence spectroscopy (XRF)
• D.Inductively coupled plasma optical emission spectroscopy (ICP-OES)

Filtration by a glass funnel and filter paper is very?

• A.Fast
• B.Time consuming
• C.Instantaneous
• D.None of these

Which of the following methods, relatively gives more information about the structure of an organic compound?

• A.UV Spectroscopy
• B.IR Spectroscopy
• C.NMR Spectroscopy
• D.Mass Spectrometry