Science and Technology Quiz provides questions and answers that are related to advancements in science and technology. And it is helpful for every person to know the updates in the present technology. Science and Technology GK Questions are very useful in analyzing the current technology and its lateral improvements. Science and Technology Online Test offers a quick view of technologies with scientific research. Awareness of the Science and Technology may get through the reading of various encyclopedias and maybe through the newspapers and other means of communication.
Science and Technology Quiz Details
| Quiz Name | Science and Technology |
| Category | Gk Questions |
| Number of Questions | 25 |
| Time | 30 Minutes |
| Exam Type | MCQ (Multiple Choice Questions) |
Science and Technology Questions and Answers
1. What is the full form of Wi-Fi?
a) Wireless Fiber
b) Wireless Fidelity
c) Wired Fidelity
d) Wired Fiber
Answer: b) Wireless Fidelity
Explanation: Wi-Fi stands for Wireless Fidelity and refers to a wireless networking technology that allows devices to connect to the internet or other wireless networks without the need for physical cables.
2. Which of the following is an open-source web browser?
a) Internet Explorer
b) Safari
c) Mozilla Firefox
d) Microsoft Edge
Answer: c) Mozilla Firefox
Explanation: Mozilla Firefox is an open-source web browser that is available for free and is known for its speed, privacy, and security features.
3. Which scientist proposed the theory of relativity?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) Stephen Hawking
Answer: b) Albert Einstein
Explanation: Albert Einstein proposed the theory of relativity, which revolutionized our understanding of space and time, and led to the development of new fields of science such as quantum mechanics.
4. What is the smallest unit of matter?
a) Proton
b) Atom
c) Electron
d) Neutron
Answer: b) Atom
Explanation: An atom is the smallest unit of matter that retains the chemical properties of an element. It consists of a nucleus of protons and neutrons, surrounded by electrons.
5. Which of the following is a programming language?
a) Microsoft Excel
b) Adobe Photoshop
c) Python
d) Microsoft Word
Answer: c) Python
Explanation: Python is a popular programming language that is used for web development, data analysis, artificial intelligence, and many other applications.
6. Who is credited with inventing the telephone?
a) Alexander Graham Bell
b) Thomas Edison
c) Nikola Tesla
d) Guglielmo Marconi
Answer: a) Alexander Graham Bell
Explanation: Alexander Graham Bell is credited with inventing the telephone in 1876. This invention revolutionized communication and paved the way for the development of the telecommunications industry.
7. What is the largest organ in the human body?
a) Brain
b) Liver
c) Heart
d) Skin
Answer: d) Skin
Explanation: The skin is the largest organ in the human body, and it performs several important functions, such as protecting the body from external damage and regulating body temperature.
8. What is the name of the process by which plants convert light into energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Combustion
Answer: a) Photosynthesis
Explanation: Photosynthesis is the process by which plants convert light into energy, using the energy to synthesize organic compounds such as glucose.
9. What is the name of the process by which organisms break down organic matter to release energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Combustion
Answer: b) Respiration
Explanation: Respiration is the process by which organisms break down organic matter to release energy, using oxygen to produce carbon dioxide and water as waste products.
10. What is the name of the protein that carries oxygen in the blood?
a) Hemoglobin
b) Insulin
c) Collagen
d) Keratin
Answer: a) Hemoglobin
Explanation: Hemoglobin is the protein that carries oxygen in the blood, binding to oxygen in the lungs and releasing it in the tissues where it is needed.
11. What is the name of the element with the symbol Hg?
a) Helium
b) Mercury
c) Hydrogen
d) Silver
Answer: b) Mercury
Explanation: Mercury is a chemical element with the symbol Hg. It is a heavy, silvery metal that is used in thermometers, barometers, and other scientific instruments.
12. Which of the following is not a type of renewable energy?
a) Solar
b) Wind
c) Nuclear
d) Hydroelectric
Answer: c) Nuclear
Explanation: Nuclear energy is not considered a type of renewable energy, as it relies on the use of non-renewable uranium resources to generate power.
13. What is the name of the device that measures electric current?
a) Voltmeter
b) Ammeter
c) Ohmmeter
d) Multimeter
Answer: b) Ammeter
Explanation: An ammeter is a device that measures electric current in amperes, and is used in electrical circuits to monitor the flow of current.
14. Which of the following is an example of a greenhouse gas?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Neon
Answer: c) Carbon dioxide
Explanation: Carbon dioxide is an example of a greenhouse gas, as it traps heat in the Earth’s atmosphere and contributes to global warming.
15. Which of the following is used to measure temperature?
a) Barometer
b) Anemometer
c) Thermometer
d) Hygrometer
Answer: c) Thermometer
Explanation: A thermometer is a device used to measure temperature, and it can be used to measure temperature in a wide range of environments, including in the human body and in laboratory settings.
16. What is the name of the process by which water changes from a liquid to a gas?
a) Evaporation
b) Condensation
c) Sublimation
d) Melting
Answer: a) Evaporation
Explanation: Evaporation is the process by which water changes from a liquid to a gas, as it is heated or exposed to air currents.
17. Which of the following is not a type of cloud?
a) Stratus
b) Cumulus
c) Nimbus
d) Solaris
Answer: d) Solaris
Explanation: Solaris is not a type of cloud. The three main types of clouds are stratus, cumulus, and nimbus.
18. What is the name of the force that causes objects to fall to the ground?
a) Electromagnetic force
b) Gravitational force
c) Nuclear force
d) Strong force
Answer: b) Gravitational force
Explanation: Gravitational force is the force that causes objects to fall to the ground, and it is proportional to the mass of the objects and the distance between them.
19. What is the name of the branch of science that studies the structure and function of cells?
a) Ecology
b) Genetics
c) Physiology
d) Cytology
Answer: d) Cytology
Explanation: Cytology is the branch of science that studies the structure and function of cells, and it is an important field in the study of biology.
20. What is the name of the process by which cells divide and reproduce?
a) Mitosis
b) Meiosis
c) Replication
d) Transcription
Answer: a) Mitosis
Explanation: Mitosis is the process by which cells divide and reproduce, and it is an important process in the growth and development of organisms.
21. What is the name of the particle that carries a negative charge?
a) Proton
b) Neutron
c) Electron
d) Photon
Answer: c) Electron
Explanation: An electron is a particle that carries a negative charge, and it is found in atoms orbiting the nucleus.
22. What is the name of the process by which RNA is synthesized from DNA?
a) Translation
b) Replication
c) Transcription
d) Translocation
Answer: c) Transcription
Explanation: Transcription is the process by which RNA is synthesized from DNA, and it is an important step in the production of proteins in cells.
23. What is the name of the process by which light is refracted when it passes through a prism?
a) Diffraction
b) Scattering
c) Reflection
d) Dispersion
Answer: d) Dispersion
Explanation: Dispersion is the process by which light is refracted when it passes through a prism, causing the light to separate into its component colors.
24. What is the name of the process by which plants use sunlight to produce energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Combustion
Answer: a) Photosynthesis
Explanation: Photosynthesis is the process by which plants use sunlight to produce energy, and it is an important process in the Earth’s ecosystem.
25. What is the name of the theory that explains the movement of Earth’s tectonic plates?
a) Continental drift
b) Plate tectonics
c) Seafloor spreading
d) Earthquake theory
Answer: b) Plate tectonics
Explanation: Plate tectonics is the theory that explains the movement of Earth’s tectonic plates, and it is an important field in the study of geology.
