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WorksheetsGK Session: 12. Science and technology (Part-3)
Total questions: 10
Worksheet time: 5mins
1.Which instrument is used to measure humidity?
Graphometer
Circumferentor
Cross staff
Hygrometer
2. What is Hydroponics ?
Process of plant growth is seed germination
Fruit & seed formation
Plant growth in liquid culture medium
Dormancy
3. Who invented the Thermos Flask?
Nikola Tesla
Sir James Dewar
Albert Einstein
Louis Pasteur
4. The Defence Research and Development Organization of India has developed a missile which can be launched from a submarine, What is it named?
Ballistic missiles
Prithvi-I
K-15 Sagarika
None of these
5. How many countries have exploded the atom bomb before India?
Five
Six
Seven
Eight
6. What is a Seismograph ?
An equipment needed to perform precise excavations.
An instrument for recording earthquake tremors.
An instrument used by meteorologists
None of these
7. Which device is used to study the way and object behaves when the air flows over it?
Rock tunnel
Wind tunnel
Soft Ground tunnel
Cut-and-cover tunnel
8. What are the machines used to check the progress of unborn babies still in the mother’s womb?
Echo Cardiography
Quantum Resonance Magnetic Analyzer
Ultra sound machines
All of them
9. Who invented Fountain pen ?
Karl Benz
Martin Cooper
Lewis Edson Waterman
Thomas Edison
10. Which device is used to measure the strength of magnetic field?
Laser Measure
Capacitance meter
Spectrometer
Magnetometer
