Explore MCQs with answers and detailed explanations on Different Types of Scientific Devices Used in Daily Life for All India Sainik School Entrance Exam (AISSEE) Class 6. This comprehensive guide covers measuring instruments, medical devices, optical tools, electrical appliances, communication gadgets, and more. Perfect for Sainik School exam preparation with conceptual clarity and practice questions.
MCQs on Different Types of Scientific Devices Used in Daily Life For Sainik Schools Entrance Examination (AISSEE) Class 6 Preparation
Measuring Devices MCQs
- Which device is used to measure body temperature?
a) Barometer
b) Thermometer
c) Hygrometer
d) Speedometer
Answer: (b) Thermometer
Explanation: A thermometer is used to measure temperature. It is commonly used in homes and hospitals to check body temperature. - What is the function of a speedometer in vehicles?
a) Measures speed
b) Measures temperature
c) Measures pressure
d) Measures weight
Answer: (a) Measures speed
Explanation: A speedometer is installed in vehicles to show the speed at which the vehicle is moving. - Which instrument is used to measure atmospheric pressure?
a) Barometer
b) Hygrometer
c) Thermometer
d) Seismometer
Answer: (a) Barometer
Explanation: A barometer measures atmospheric pressure and is useful for weather forecasting. - A weighing scale is used to measure:
a) Length
b) Weight
c) Temperature
d) Volume
Answer: (b) Weight
Explanation: A weighing scale is a device used to measure the weight of an object in kilograms or grams. - Which device is used to measure humidity in the air?
a) Hygrometer
b) Anemometer
c) Barometer
d) Altimeter
Answer: (a) Hygrometer
Explanation: A hygrometer measures humidity or moisture content in the air. - What is the use of an odometer in vehicles?
a) Measures distance traveled
b) Measures fuel consumption
c) Measures wind speed
d) Measures weight
Answer: (a) Measures distance traveled
Explanation: An odometer records the total distance covered by a vehicle. - A seismometer is used to measure:
a) Rainfall
b) Earthquake vibrations
c) Blood pressure
d) Magnetic field
Answer: (b) Earthquake vibrations
Explanation: A seismometer detects and records the intensity of earthquake vibrations. - Which device is used to measure the amount of rainfall?
a) Barometer
b) Rain gauge
c) Hygrometer
d) Thermometer
Answer: (b) Rain gauge
Explanation: A rain gauge collects and measures the amount of rainfall over a specific period. - What is the function of a voltmeter?
a) Measures electric voltage
b) Measures resistance
c) Measures current
d) Measures power
Answer: (a) Measures electric voltage
Explanation: A voltmeter is an electrical device used to measure the voltage in a circuit. - Which of the following is used to measure blood pressure?
a) Stethoscope
b) Sphygmomanometer
c) Thermometer
d) ECG machine
Answer: (b) Sphygmomanometer
Explanation: A sphygmomanometer is a medical device used to measure blood pressure.
Optical and Imaging Devices MCQs
- Which device is used to magnify small objects?
a) Stethoscope
b) Microscope
c) Barometer
d) Thermometer
Answer: (b) Microscope
Explanation: A microscope magnifies tiny objects, making them visible for detailed study. - What is the main purpose of a telescope?
a) To measure wind speed
b) To view distant objects
c) To measure weight
d) To check body temperature
Answer: (b) To view distant objects
Explanation: A telescope is used to observe distant objects like stars and planets. - Which instrument is used to see minute details of fingerprints?
a) Barometer
b) Microscope
c) Periscope
d) Telescope
Answer: (b) Microscope
Explanation: A microscope is used in forensic science to analyze fingerprints. - Which device is used by doctors to listen to heartbeats?
a) Thermometer
b) Stethoscope
c) Barometer
d) Hygrometer
Answer: (b) Stethoscope
Explanation: A stethoscope helps doctors listen to heartbeats and lung sounds. - Which optical device is used in submarines to view above water?
a) Microscope
b) Telescope
c) Periscope
d) Stethoscope
Answer: (c) Periscope
Explanation: A periscope helps submariners see above the water surface while staying underwater. - A camera is used for:
a) Measuring weight
b) Capturing images
c) Detecting heat
d) Measuring distance
Answer: (b) Capturing images
Explanation: A camera is a device that records images and videos. - Which type of mirror is used in rear-view mirrors of vehicles?
a) Plane mirror
b) Concave mirror
c) Convex mirror
d) Cylindrical mirror
Answer: (c) Convex mirror
Explanation: A convex mirror provides a wider field of view, making it ideal for rear-view mirrors. - Which device is used for night vision?
a) Microscope
b) Binoculars
c) Night vision goggles
d) Periscope
Answer: (c) Night vision goggles
Explanation: Night vision goggles help see in low-light or dark conditions. - What is the main use of binoculars?
a) To view distant objects with both eyes
b) To check eyesight
c) To measure humidity
d) To detect electricity
Answer: (a) To view distant objects with both eyes
Explanation: Binoculars are used to observe faraway objects like birds and landscapes. - Which instrument is used for checking eyesight?
a) Hygrometer
b) Ophthalmoscope
c) Seismometer
d) Anemometer
Answer: (b) Ophthalmoscope
Explanation: An ophthalmoscope is used by eye doctors to examine the eye.
Electrical and Electronic Devices MCQs
- Which device is used to measure electric current?
a) Ammeter
b) Voltmeter
c) Galvanometer
d) Barometer
Answer: (a) Ammeter
Explanation: An ammeter measures the electric current in a circuit. - What is the use of a galvanometer?
a) Measures electric charge
b) Detects electric current
c) Measures distance
d) Detects temperature
Answer: (b) Detects electric current
Explanation: A galvanometer is used to detect and measure small electric currents. - Which device converts electrical energy into sound energy?
a) Microphone
b) Speaker
c) Electric motor
d) Transformer
Answer: (b) Speaker
Explanation: A speaker produces sound when an electric signal passes through it. - A microphone is used to:
a) Measure pressure
b) Detect sound waves
c) Convert sound into electrical signals
d) Store electricity
Answer: (c) Convert sound into electrical signals
Explanation: A microphone converts sound waves into electrical signals for recording or broadcasting. - Which device is used for converting sunlight into electricity?
a) Transformer
b) Generator
c) Solar panel
d) Battery
Answer: (c) Solar panel
Explanation: A solar panel uses photovoltaic cells to convert sunlight into electricity. - Which instrument is used to measure the resistance of an electrical circuit?
a) Voltmeter
b) Ohmmeter
c) Ammeter
d) Galvanometer
Answer: (b) Ohmmeter
Explanation: An ohmmeter measures electrical resistance in a circuit. - Which device is used to store electrical energy?
a) Resistor
b) Capacitor
c) Transformer
d) Speaker
Answer: (b) Capacitor
Explanation: A capacitor stores electrical energy and releases it when needed. - What does a transformer do in an electrical circuit?
a) Increases or decreases voltage
b) Stores current
c) Converts sound energy
d) Measures humidity
Answer: (a) Increases or decreases voltage
Explanation: A transformer is used to step up or step down voltage in an electrical circuit. - Which of the following is a rechargeable energy storage device?
a) Generator
b) Solar cell
c) Battery
d) Transformer
Answer: (c) Battery
Explanation: A battery stores chemical energy and converts it into electrical energy when needed. - Which of these devices is used to regulate electrical current flow?
a) Diode
b) Capacitor
c) Resistor
d) Transformer
Answer: (c) Resistor
Explanation: A resistor controls the amount of current flowing in an electrical circuit.
Communication and Navigation Devices MCQs
- Which device is used for long-distance communication?
a) Microscope
b) Telephone
c) Thermometer
d) Anemometer
Answer: (b) Telephone
Explanation: A telephone allows people to communicate over long distances using electrical signals. - Which device is used to send messages electronically?
a) Typewriter
b) Telegraph
c) Camera
d) Thermometer
Answer: (b) Telegraph
Explanation: A telegraph is an early communication device used to send coded messages over long distances. - What is the purpose of a GPS device?
a) To measure speed
b) To locate positions on Earth
c) To detect magnetic fields
d) To check temperature
Answer: (b) To locate positions on Earth
Explanation: A GPS (Global Positioning System) helps determine a person’s or object’s exact location using satellite signals. - Which device is used to amplify sound in public places?
a) Microphone
b) Speaker
c) Megaphone
d) All of the above
Answer: (d) All of the above
Explanation: A microphone, speaker, and megaphone all help amplify sound for better hearing. - Which device is used to receive and broadcast radio signals?
a) Thermometer
b) Oscilloscope
c) Radio
d) Barometer
Answer: (c) Radio
Explanation: A radio receives electromagnetic signals and converts them into sound. - Which device is used for video communication?
a) Mobile phone
b) Stethoscope
c) Periscope
d) Microscope
Answer: (a) Mobile phone
Explanation: A mobile phone enables video calling and live communication. - What is the function of a sonar device?
a) Measures humidity
b) Detects objects underwater
c) Measures air pressure
d) Monitors earthquakes
Answer: (b) Detects objects underwater
Explanation: A sonar (Sound Navigation and Ranging) system uses sound waves to locate objects underwater. - Which navigation device is commonly used in airplanes?
a) Altimeter
b) Hygrometer
c) Speedometer
d) Rain gauge
Answer: (a) Altimeter
Explanation: An altimeter measures altitude (height above sea level) in airplanes. - Which of the following devices helps in detecting objects using radio waves?
a) Radar
b) Microscope
c) Barometer
d) Thermometer
Answer: (a) Radar
Explanation: A radar system detects objects and measures their distance using radio waves. - Which instrument is used in weather forecasting to track storms?
a) Hygrometer
b) Radar
c) Stethoscope
d) Ammeter
Answer: (b) Radar
Explanation: Weather radars help track storms and predict weather conditions.
Household and Kitchen Devices MCQs
- Which kitchen appliance is used for blending and grinding food?
a) Mixer grinder
b) Microwave
c) Induction stove
d) Toaster
Answer: (a) Mixer grinder
Explanation: A mixer grinder is used to blend and grind ingredients in the kitchen. - Which device is used to cook food using microwaves?
a) Induction stove
b) Microwave oven
c) Pressure cooker
d) Gas stove
Answer: (b) Microwave oven
Explanation: A microwave oven cooks food quickly using microwave radiation. - What is the function of a refrigerator?
a) To cook food
b) To freeze and store food
c) To heat water
d) To grind food
Answer: (b) To freeze and store food
Explanation: A refrigerator keeps food fresh by maintaining a low temperature. - Which kitchen device is used for making toast?
a) Mixer grinder
b) Microwave
c) Toaster
d) Induction stove
Answer: (c) Toaster
Explanation: A toaster is used to heat and crisp slices of bread. - Which device is used to boil water quickly?
a) Induction cooker
b) Mixer grinder
c) Microwave oven
d) Refrigerator
Answer: (a) Induction cooker
Explanation: An induction cooker heats pots and boils water quickly using electromagnetic induction. - Which household device is used to remove dust from carpets and floors?
a) Washing machine
b) Vacuum cleaner
c) Toaster
d) Iron
Answer: (b) Vacuum cleaner
Explanation: A vacuum cleaner sucks up dust and dirt from floors and carpets. - What is the purpose of a washing machine?
a) To iron clothes
b) To dry clothes
c) To wash clothes
d) To freeze food
Answer: (c) To wash clothes
Explanation: A washing machine is an automatic device that cleans clothes. - Which household device is used to heat water for bathing?
a) Refrigerator
b) Water heater (geyser)
c) Microwave
d) Iron
Answer: (b) Water heater (geyser)
Explanation: A geyser heats water for bathing and washing. - Which device is used to press clothes and remove wrinkles?
a) Washing machine
b) Toaster
c) Iron
d) Refrigerator
Answer: (c) Iron
Explanation: An iron is used to remove wrinkles from clothes by applying heat. - Which device is used to measure cooking temperature?
a) Hygrometer
b) Oven thermometer
c) Microscope
d) Speedometer
Answer: (b) Oven thermometer
Explanation: An oven thermometer measures the internal temperature of ovens while cooking.
Medical and Health Devices MCQs
- Which medical device is used to check blood sugar levels?
a) Stethoscope
b) Glucometer
c) Barometer
d) Thermometer
Answer: (b) Glucometer
Explanation: A glucometer measures blood sugar levels, commonly used by diabetic patients. - Which instrument is used to check a person’s heartbeat?
a) Microscope
b) ECG machine
c) Barometer
d) Hygrometer
Answer: (b) ECG machine
Explanation: An ECG (Electrocardiogram) machine records the electrical activity of the heart. - Which of the following devices helps in measuring oxygen levels in the blood?
a) Glucometer
b) Pulse oximeter
c) Thermometer
d) Barometer
Answer: (b) Pulse oximeter
Explanation: A pulse oximeter measures oxygen saturation in the blood. - Which device is used by doctors to see inside a patient’s body without surgery?
a) X-ray machine
b) Stethoscope
c) Telescope
d) Periscope
Answer: (a) X-ray machine
Explanation: An X-ray machine helps doctors examine bones and internal organs. - Which device is used to detect and measure fever?
a) Sphygmomanometer
b) Thermometer
c) Microscope
d) ECG machine
Answer: (b) Thermometer
Explanation: A thermometer measures body temperature to check for fever. - Which medical device is used for injecting medicines into the body?
a) Stethoscope
b) Syringe
c) Glucometer
d) Barometer
Answer: (b) Syringe
Explanation: A syringe is used to inject medicines or vaccines into the body. - Which device is used to observe the internal parts of the stomach and intestines?
a) Telescope
b) Endoscope
c) Microscope
d) Stethoscope
Answer: (b) Endoscope
Explanation: An endoscope is a medical device used to examine internal body organs. - Which device helps patients breathe when they have difficulty breathing?
a) Glucometer
b) Ventilator
c) Stethoscope
d) Thermometer
Answer: (b) Ventilator
Explanation: A ventilator assists breathing for patients who have difficulty breathing naturally. - Which medical imaging device uses sound waves to create images of internal organs?
a) X-ray machine
b) MRI scanner
c) Ultrasound machine
d) ECG machine
Answer: (c) Ultrasound machine
Explanation: An ultrasound machine uses sound waves to create images of internal organs. - Which device is used to measure the blood pressure of a patient?
a) Sphygmomanometer
b) ECG machine
c) Thermometer
d) Hygrometer
Answer: (a) Sphygmomanometer
Explanation: A sphygmomanometer is used to measure blood pressure.
Scientific and Laboratory Devices MCQs
- Which device is used to measure time?
a) Stopwatch
b) Barometer
c) Thermometer
d) Compass
Answer: (a) Stopwatch
Explanation: A stopwatch is used to measure time in seconds and minutes accurately. - What is a test tube used for in a laboratory?
a) Measuring time
b) Holding and mixing chemicals
c) Measuring speed
d) Checking body temperature
Answer: (b) Holding and mixing chemicals
Explanation: A test tube is a cylindrical glass container used for experiments. - Which device is used to separate solid particles from liquids?
a) Beaker
b) Funnel
c) Filter paper
d) Microscope
Answer: (c) Filter paper
Explanation: Filter paper is used to separate solid particles from a liquid in scientific experiments. - Which instrument is used to measure angles?
a) Compass
b) Protractor
c) Barometer
d) Scale
Answer: (b) Protractor
Explanation: A protractor is a tool used in geometry to measure angles. - Which scientific device is used to measure the volume of liquids?
a) Beaker
b) Ruler
c) Weighing scale
d) Anemometer
Answer: (a) Beaker
Explanation: A beaker is a laboratory container used for measuring and mixing liquids. - Which instrument is used to measure the density of liquids?
a) Hydrometer
b) Thermometer
c) Barometer
d) Anemometer
Answer: (a) Hydrometer
Explanation: A hydrometer is used to measure the density and specific gravity of liquids. - Which instrument is used for measuring heat energy?
a) Barometer
b) Thermometer
c) Calorimeter
d) Speedometer
Answer: (c) Calorimeter
Explanation: A calorimeter measures the heat energy released or absorbed during chemical reactions. - Which device is used to separate light into its different colors?
a) Microscope
b) Prism
c) Telescope
d) Periscope
Answer: (b) Prism
Explanation: A prism splits light into its different colors, forming a spectrum. - What is the use of a litmus paper in science experiments?
a) To measure temperature
b) To test acidity and alkalinity
c) To check air pressure
d) To measure speed
Answer: (b) To test acidity and alkalinity
Explanation: Litmus paper changes color to indicate whether a solution is acidic or basic. - Which laboratory instrument is used to heat substances?
a) Bunsen burner
b) Hygrometer
c) Stethoscope
d) Barometer
Answer: (a) Bunsen burner
Explanation: A Bunsen burner produces a flame used for heating substances in laboratories.
General and Miscellaneous Scientific Devices MCQs
- Which device is used to measure wind speed?
Answer: (a) Anemometer - Which device detects the presence of metals?
Answer: (b) Metal detector - Which instrument helps in making accurate drawings of maps?
Answer: (c) Compass - Which device is used in airplanes to measure speed?
Answer: (d) Airspeed indicator - What is the purpose of a gyroscope?
Answer: (b) Measures orientation and rotation - Which device is used to check the purity of gold?
Answer: (c) Karat meter - Which instrument is used in space exploration?
Answer: (a) Space telescope - Which device is used to measure the height of mountains?
Answer: (b) Altimeter - Which instrument is used for fingerprint scanning?
Answer: (a) Biometric scanner - Which device is used to measure light intensity?
Answer: (c) Photometer
Energy and Power Devices MCQs
- Which device is used to convert mechanical energy into electrical energy?
a) Generator
b) Motor
c) Transformer
d) Battery
Answer: (a) Generator
Explanation: A generator converts mechanical energy into electrical energy, commonly used in power plants. - Which device is used to convert electrical energy into mechanical energy?
a) Generator
b) Motor
c) Battery
d) Transformer
Answer: (b) Motor
Explanation: An electric motor converts electrical energy into mechanical movement. - Which of the following is used to store energy for future use?
a) Transformer
b) Battery
c) Generator
d) Ammeter
Answer: (b) Battery
Explanation: A battery stores chemical energy and converts it into electrical energy when needed. - Which device is used to measure power consumption in households?
a) Electric meter
b) Voltmeter
c) Ammeter
d) Resistor
Answer: (a) Electric meter
Explanation: An electric meter records the amount of electrical energy used in homes. - Which device is used to convert solar energy into electricity?
a) Transformer
b) Battery
c) Solar panel
d) Generator
Answer: (c) Solar panel
Explanation: A solar panel converts sunlight into electrical energy using photovoltaic cells. - Which device is used to control the flow of electricity in a circuit?
a) Fuse
b) Battery
c) Generator
d) Voltmeter
Answer: (a) Fuse
Explanation: A fuse prevents excessive current flow in electrical circuits, protecting appliances from damage. - What does an inverter do?
a) Converts AC to DC
b) Converts DC to AC
c) Stores energy
d) Measures voltage
Answer: (b) Converts DC to AC
Explanation: An inverter converts direct current (DC) from a battery into alternating current (AC) for household use. - Which device is used to increase or decrease voltage in an electrical circuit?
a) Transformer
b) Resistor
c) Generator
d) Capacitor
Answer: (a) Transformer
Explanation: A transformer steps up or steps down the voltage in an electrical circuit. - Which device is used to measure the resistance of an electrical circuit?
a) Ammeter
b) Voltmeter
c) Ohmmeter
d) Galvanometer
Answer: (c) Ohmmeter
Explanation: An ohmmeter measures electrical resistance in a circuit. - Which instrument is used to detect static electricity?
a) Electroscope
b) Hygrometer
c) Sphygmomanometer
d) Seismometer
Answer: (a) Electroscope
Explanation: An electroscope detects the presence of static electric charges.
Miscellaneous Scientific Devices MCQs
- Which device is used in airports to scan luggage for security purposes?
a) Metal detector
b) X-ray scanner
c) Radar
d) Microscope
Answer: (b) X-ray scanner
Explanation: X-ray scanners are used at airports to check luggage for prohibited items. - Which device is used to detect underground water?
a) Barometer
b) Seismometer
c) Divining rod
d) Groundwater detector
Answer: (d) Groundwater detector
Explanation: A groundwater detector helps locate underground water sources. - Which instrument is used to measure the purity of milk?
a) Lactometer
b) Hygrometer
c) Barometer
d) Hydrometer
Answer: (a) Lactometer
Explanation: A lactometer measures the purity of milk by checking its density. - Which device is used to measure the strength of an earthquake?
a) Seismometer
b) Barometer
c) Anemometer
d) Rain gauge
Answer: (a) Seismometer
Explanation: A seismometer records earthquake vibrations and their intensity. - Which device is used in banks to detect fake currency notes?
a) Magnifying glass
b) UV light scanner
c) Metal detector
d) Hygrometer
Answer: (b) UV light scanner
Explanation: A UV light scanner detects hidden security features on currency notes to identify fake ones. - Which device is used to measure radioactivity?
a) Barometer
b) Geiger counter
c) Seismometer
d) Ammeter
Answer: (b) Geiger counter
Explanation: A Geiger counter detects and measures radiation levels. - Which instrument is used to check the purity of gold?
a) Barometer
b) Karat meter
c) Thermometer
d) Hydrometer
Answer: (b) Karat meter
Explanation: A Karat meter measures the purity of gold by checking its composition. - Which device is used to measure the flow of water in pipelines?
a) Hydrometer
b) Flow meter
c) Anemometer
d) Rain gauge
Answer: (b) Flow meter
Explanation: A flow meter measures the speed and volume of water flowing through pipelines. - Which device is used by astronomers to observe distant celestial objects?
a) Microscope
b) Telescope
c) Periscope
d) Endoscope
Answer: (b) Telescope
Explanation: A telescope helps observe stars, planets, and other celestial objects. - Which device is used to control TV and electronic appliances remotely?
a) Joystick
b) Remote control
c) Compass
d) Altimeter
Answer: (b) Remote control
Explanation: A remote control sends signals to electronic devices, allowing users to operate them wirelessly.
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The All India Sainik Schools Entrance Examination (AISSEE) is a competitive exam conducted by the National Testing Agency (NTA) for admission to Class 6 and Class 9 in Sainik Schools across India. The exam is designed to assess students’ knowledge in subjects like Mathematics, General Knowledge, Language, and Intelligence for Class 6, and Mathematics, Science, English, Social Science, and Intelligence for Class 9.
Understanding AISSEE Exam Pattern and Syllabus
Before diving into the topic “Different Types of Scientific Devices Used in Daily Life,” let’s first understand the AISSEE exam structure to align our preparation accordingly.
AISSEE Exam Pattern for Class 6
| Subject | No. of Questions | Marks per Question | Total Marks |
|---|---|---|---|
| Mathematics | 50 | 3 | 150 |
| Intelligence | 25 | 2 | 50 |
| Language | 25 | 2 | 50 |
| General Knowledge | 25 | 2 | 50 |
| Total | 125 | – | 300 |
AISSEE Exam Pattern for Class 9
| Subject | No. of Questions | Marks per Question | Total Marks |
|---|---|---|---|
| Mathematics | 50 | 4 | 200 |
| Intelligence | 25 | 2 | 50 |
| English | 25 | 2 | 50 |
| General Science | 25 | 2 | 50 |
| Social Science | 25 | 2 | 50 |
| Total | 150 | – | 400 |
