Scientific Instruments and Apparatus MCQs with Answers

Which instrument is used to measure temperature?
a) Thermometer
b) Barometer
c) Hydrometer
d) Spectrometer
Answer: a) Thermometer

Which instrument is used to measure atmospheric pressure?
a) Thermometer
b) Barometer
c) Hydrometer
d) Spectrometer
Answer: b) Barometer

Which instrument is used to measure relative humidity?
a) Thermometer
b) Barometer
c) Hydrometer
d) Spectrometer
Answer: c) Hydrometer

Which instrument is used to measure the intensity of light?
a) Thermometer
b) Barometer
c) Hydrometer
d) Spectrometer
Answer: d) Spectrometer

Which instrument is used to measure the mass of an object?
a) Balance
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Balance

Which instrument is used to measure the volume of a liquid?
a) Graduated cylinder
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Graduated cylinder

Which instrument is used to measure the pH level of a solution?
a) pH meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) pH meter

Which instrument is used to measure the electric current in a circuit?
a) Ammeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Ammeter

Which instrument is used to measure the voltage in a circuit?
a) Voltmeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Voltmeter

Which instrument is used to measure the resistance in a circuit?
a) Ohmmeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Ohmmeter

Which instrument is used to measure the time?
a) Stopwatch
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Stopwatch

Which instrument is used to measure the speed of an object?
a) Speedometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Speedometer

Which instrument is used to measure the distance between two points?
a) Ruler
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Ruler

Which instrument is used to measure the angle between two lines or surfaces?
a) Protractor
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Protractor

Which instrument is used to measure the flow rate of a liquid or gas?
a) Flowmeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Flowmeter

Which instrument is used to measure the frequency of a sound wave?
a) Oscilloscope
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Oscilloscope

Which instrument is used to measure the radiation level?
a) Geiger-Muller counter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Geiger-Muller counter

Which instrument is used to measure the magnetic field?
a) Magnetometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Magnetometer

Which instrument is used to measure the specific gravity of a liquid?
a) Hydrometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Hydrometer

Which instrument is used to measure the concentration of a solution?
a) Spectrophotometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Spectrophotometer

Which instrument is used to measure the angle of rotation of polarized light?
a) Polarimeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Polarimeter

Which instrument is used to measure the hardness of a material?
a) Hardness tester
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Hardness tester

Which instrument is used to measure the thickness of an object?
a) Thickness gauge
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Thickness gauge

Which instrument is used to measure the density of a liquid or solid?
a) Density meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Density meter

Which instrument is used to measure the surface tension of a liquid?
a) Tensiometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Tensiometer

Which instrument is used to measure the pressure of a gas?
a) Manometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Manometer

Which instrument is used to measure the humidity of the air?
a) Hygrometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Hygrometer

Which instrument is used to measure the acidity or alkalinity of a solution?
a) pH meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) pH meter

Which instrument is used to measure the magnetic field direction?
a) Compass
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Compass

Which instrument is used to measure the ultraviolet radiation?
a) UV meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) UV meter

Which instrument is used to measure the infrared radiation?
a) Infrared thermometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Infrared thermometer

Which instrument is used to measure the electrical conductivity of a solution?
a) Conductivity meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Conductivity meter

Which instrument is used to measure the electrical potential difference?
a) Voltmeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Voltmeter

Which instrument is used to measure the electrical resistance?
a) Ohmmeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Ohmmeter

Which instrument is used to measure the radioactivity level?
a) Geiger-Muller counter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Geiger-Muller counter

Which instrument is used to measure the acidity of soil?
a) Soil pH meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Soil pH meter

Which instrument is used to measure the moisture content of soil?
a) Soil moisture meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Soil moisture meter

Which instrument is used to measure the wind speed?
a) Anemometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Anemometer

Which instrument is used to measure the wind direction?
a) Wind vane
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Wind vane

Which instrument is used to measure the earthquake intensity?
a) Seismograph
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Seismograph

Which instrument is used to measure the concentration of gases in a mixture?
a) Gas analyzer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Gas analyzer

Which instrument is used to measure the intensity of sound?
a) Sound level meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Sound level meter

Which instrument is used to measure the moisture content of wood?
a) Moisture meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Moisture meter

Which instrument is used to measure the distance of stars and other celestial objects?
a) Telescope
b) Microscope
c) Spectroscope
d) Geiger-Muller counter
Answer: a) Telescope

Which instrument is used to measure the purity of a substance?
a) Purity analyzer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Purity analyzer

Which instrument is used to measure the moisture content of gases?
a) Moisture analyzer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Moisture analyzer

Which instrument is used to measure the pressure of gases?
a) Gas pressure gauge
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Gas pressure gauge

Which instrument is used to measure the vibration of an object?
a) Vibrometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Vibrometer

Which instrument is used to measure the speed of light?
a) Michelson interferometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Michelson interferometer

Which instrument is used to measure the magnetic field strength?
a) Gauss meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Gauss meter

Which instrument is used to measure the voltage of a battery?
a) Battery tester
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Battery tester

Which instrument is used to measure the electrical power consumed by an appliance?
a) Wattmeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Wattmeter

Which instrument is used to measure the concentration of pollutants in the air?
a) Air quality monitor
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Air quality monitor

Which instrument is used to measure the level of water in a tank?
a) Water level sensor
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Water level sensor

Which instrument is used to measure the heat absorbed or released during a chemical reaction?
a) Calorimeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Calorimeter

Which instrument is used to measure the speed and direction of wind at high altitudes?
a) Radiosonde
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Radiosonde

Which instrument is used to measure the oxygen level in the blood?
a) Pulse oximeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Pulse oximeter

Which instrument is used to measure the heart rate?
a) Heart rate monitor
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Heart rate monitor

Which instrument is used to measure the brain activity?
a) Electroencephalogram (EEG)
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Electroencephalogram (EEG)

Which instrument is used to measure the eye’s refractive errors?
a) Phoropter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Phoropter

Which instrument is used to measure the blood pressure?
a) Sphygmomanometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Sphygmomanometer

Which instrument is used to measure the bone density?
a) Densitometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Densitometer

Which instrument is used to measure the sugar level in the blood?
a) Glucometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Glucometer

Which instrument is used to measure the muscle activity?
a) Electromyograph (EMG)
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Electromyograph (EMG)

Which instrument is used to measure the lung capacity?
a) Spirometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Spirometer

Which instrument is used to measure the body temperature?
a) Thermometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Thermometer

Which instrument is used to measure the soil fertility?
a) Soil fertility tester
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Soil fertility tester

Which instrument is used to measure the level of pollutants in water?
a) Water quality monitor
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Water quality monitor

Which instrument is used to measure the wind speed and direction at high altitudes?
a) Radiosonde
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Radiosonde

Which instrument is used to measure the concentration of ozone in the atmosphere?
a) Ozone meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Ozone meter

Which instrument is used to measure the pressure of liquids?
a) Pressure gauge
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Pressure gauge

Which instrument is used to measure the color intensity of a solution?
a) Colorimeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Colorimeter

Which instrument is used to measure the rate of chemical reactions?
a) Spectrophotometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Spectrophotometer

Which instrument is used to measure the strength of an electric field?
a) Electrostatic voltmeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Electrostatic voltmeter

Which instrument is used to measure the density of air?
a) Air density meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Air density meter

Which instrument is used to measure the concentration of carbon dioxide in the air?
a) Carbon dioxide meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Carbon dioxide meter

Which instrument is used to measure the altitude above sea level?
a) Altimeter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Altimeter

Which instrument is used to measure the refractive index of a substance?
a) Refractometer
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Refractometer

Which instrument is used to measure the concentration of alcohol in a solution?
a) Alcohol meter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Alcohol meter

Which instrument is used to measure the rate of radioactive decay?
a) Geiger-Muller counter
b) Microscope
c) Telescope
d) Spectroscope
Answer: a) Geiger-Muller counter

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