Science and Technology MCQs

Static General Knowledge

Science and Technology MCQs

Practice Science and Technology MCQs with answers and detailed explanations covering scientific inventions, technological advancements, space missions, information technology, biotechnology, artificial intelligence, discoveries, innovations and current developments frequently asked in SSC, Railway, Banking, UPSC, JKSSB, Police, Defence, Teaching and other competitive examinations.

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Practice Questions

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Question #1
Which artificial intelligence chatbot was launched by Google to compete with OpenAI's ChatGPT?
A. Claude
B. Bing Chat
C. Bard
D. Llama
Discuss
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Correct Answer: Option C

Explanation:
Bard (now rebranded as Gemini) was Google's response to the rise of generative AI chatbots.
This question belongs to: Static General Knowledge Science and Technology
Question #2
Which space agency successfully landed the 'Chandrayaan-3' mission near the lunar south pole?
A. ESA
B. NASA
C. ISRO
D. Roscosmos
Discuss
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Correct Answer: Option C

Explanation:
The Indian Space Research Organisation (ISRO) achieved this historic feat in August 2023.
This question belongs to: Static General Knowledge Science and Technology
Question #3
What is the primary technology behind Bitcoin and other cryptocurrencies?
A. Blockchain
B. Neural Networks
C. Cloud Computing
D. Quantum Computing
Discuss
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Correct Answer: Option A

Explanation:
Blockchain is a distributed ledger technology that ensures secure and transparent transactions.
This question belongs to: Static General Knowledge Science and Technology
Question #4
Which technique is commonly used for gene editing, often referred to as 'genetic scissors'?
A. ELISA
B. Gel Electrophoresis
C. PCR
D. CRISPR-Cas9
Discuss
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Correct Answer: Option D

Explanation:
CRISPR-Cas9 is a revolutionary gene-editing tool that allows scientists to alter DNA sequences.
This question belongs to: Static General Knowledge Science and Technology
Question #5
Which planet is the target of the 'Artemis' missions?
A. Venus
B. Mars
C. Jupiter
D. Moon
Discuss
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Correct Answer: Option D

Explanation:
Artemis is NASA's program to return humans to the Moon and eventually establish a sustainable presence.
This question belongs to: Static General Knowledge Science and Technology
Question #6
In computing, what does the acronym 'GPU' stand for?
A. General Processing Unit
B. Graphic Processing Unit
C. Global Processing Utility
D. Grid Power Unit
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Correct Answer: Option B

Explanation:
GPUs are essential for rendering graphics and are now widely used in training AI models.
This question belongs to: Static General Knowledge Science and Technology
Question #7
Which of these gases is the main component of a greenhouse effect that causes global warming?
A. Oxygen
B. Nitrogen
C. Argon
D. Carbon Dioxide
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Correct Answer: Option D

Explanation:
Carbon dioxide traps heat in the atmosphere, significantly contributing to global climate change.
This question belongs to: Static General Knowledge Science and Technology
Question #8
What is the study of the structure and function of proteins called?
A. Transcriptomics
B. Genomics
C. Proteomics
D. Metabolomics
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Correct Answer: Option C

Explanation:
Proteomics is the large-scale study of proteins, which are essential parts of all living organisms.
This question belongs to: Static General Knowledge Science and Technology
Question #9
Which company developed the 'Starlink' satellite internet constellation?
A. Boeing
B. SpaceX
C. Virgin Galactic
D. Blue Origin
Discuss
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Correct Answer: Option B

Explanation:
SpaceX, founded by Elon Musk, operates the Starlink satellite network.
This question belongs to: Static General Knowledge Science and Technology
Question #10
What is a 'quantum computer' capable of doing much faster than a classical computer?
A. Displaying high-resolution images
B. Sending emails
C. Solving complex mathematical problems
D. Storing large amounts of video data
Discuss
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Correct Answer: Option C

Explanation:
Quantum computers use qubits to perform specific complex calculations, like cryptography or molecular modeling, at exponential speeds.
This question belongs to: Static General Knowledge Science and Technology
Question #11
Which of the following is a type of renewable energy?
A. Natural Gas
B. Nuclear Fission
C. Solar
D. Coal
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Correct Answer: Option C

Explanation:
Solar energy is derived from the sun and is replenished naturally, making it renewable.
This question belongs to: Static General Knowledge Science and Technology
Question #12
What is the term used for the ability of machines to learn from data without explicit programming?
A. Machine Learning
B. Virtual Reality
C. Cloud Networking
D. Data Mining
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Correct Answer: Option A

Explanation:
Machine learning is a subset of AI that focuses on building systems that learn patterns from data.
This question belongs to: Static General Knowledge Science and Technology
Question #13
Which telescope is known for its ability to capture infrared images of deep space?
A. Kepler Telescope
B. James Webb Space Telescope
C. Hubble Telescope
D. Chandra Observatory
Discuss
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Correct Answer: Option B

Explanation:
The James Webb Space Telescope (JWST) is designed primarily for infrared astronomy.
This question belongs to: Static General Knowledge Science and Technology
Question #14
What is the primary material used in modern computer microchips?
A. Gold
B. Copper
C. Aluminum
D. Silicon
Discuss
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Correct Answer: Option D

Explanation:
Silicon is a semiconductor, making it ideal for creating transistors in microchips.
This question belongs to: Static General Knowledge Science and Technology
Question #15
Which technology allows the transmission of data through light?
A. Li-Fi
B. Bluetooth
C. Zigbee
D. Wi-Fi
Discuss
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Correct Answer: Option A

Explanation:
Li-Fi (Light Fidelity) uses light waves from LED bulbs to transmit data at high speeds.
This question belongs to: Static General Knowledge Science and Technology
Question #16
What is the basic unit of heredity in living organisms?
A. Ribosome
B. Cell
C. Chromosome
D. Gene
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Correct Answer: Option D

Explanation:
A gene is the basic physical and functional unit of heredity.
This question belongs to: Static General Knowledge Science and Technology
Question #17
Which of these is a popular 'Large Language Model' created by OpenAI?
A. GPT-4
B. Keras
C. PyTorch
D. TensorFlow
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Correct Answer: Option A

Explanation:
GPT-4 is a sophisticated large language model used in various AI applications.
This question belongs to: Static General Knowledge Science and Technology
Question #18
What is the process of converting light energy into chemical energy in plants called?
A. Respiration
B. Transpiration
C. Fermentation
D. Photosynthesis
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Correct Answer: Option D

Explanation:
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize food.
This question belongs to: Static General Knowledge Science and Technology
Question #19
What does 'IoT' stand for in technology?
A. Interconnected Operational Tools
B. Input of Technology
C. Internet of Things
D. Internet of Technology
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Correct Answer: Option C

Explanation:
The Internet of Things (IoT) refers to the network of physical objects embedded with sensors and software to exchange data.
This question belongs to: Static General Knowledge Science and Technology
Question #20
Which mission was the first to send a human to the moon?
A. Apollo 8
B. Gemini 5
C. Voyager 1
D. Apollo 11
Discuss
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Correct Answer: Option D

Explanation:
Apollo 11 was the first spaceflight that landed humans on the Moon in 1969.
This question belongs to: Static General Knowledge Science and Technology

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Practice Mix
Select the most appropriate meaning of the idiom: 'Make a mountain out of a molehill'.
What does the 'GUI' acronym stand for in computer interface terminology?
A trader marks his goods 80% above cost price and gives a discount of 40%. Find his gain percent.
Which type of memory is used to store the firmware that boots the computer?
The average of 8 numbers is 30. If one number is 40, find the average of the remaining 7.