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.
Question #1
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Which artificial intelligence chatbot was launched by Google to compete with OpenAI's ChatGPT?
Correct Answer: Option C
Explanation:
Bard (now rebranded as Gemini) was Google's response to the rise of generative AI chatbots.
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
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Which space agency successfully landed the 'Chandrayaan-3' mission near the lunar south pole?
Correct Answer: Option A
Explanation:
The Indian Space Research Organisation (ISRO) achieved this historic feat in August 2023.
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
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What is the primary technology behind Bitcoin and other cryptocurrencies?
Correct Answer: Option C
Explanation:
Blockchain is a distributed ledger technology that ensures secure and transparent transactions.
Blockchain is a distributed ledger technology that ensures secure and transparent transactions.
This question belongs to:
Static General Knowledge
Science and Technology
Question #4
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Which technique is commonly used for gene editing, often referred to as 'genetic scissors'?
Correct Answer: Option D
Explanation:
CRISPR-Cas9 is a revolutionary gene-editing tool that allows scientists to alter DNA sequences.
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
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Which planet is the target of the 'Artemis' missions?
Correct Answer: Option D
Explanation:
Artemis is NASA's program to return humans to the Moon and eventually establish a sustainable presence.
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
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In computing, what does the acronym 'GPU' stand for?
Correct Answer: Option A
Explanation:
GPUs are essential for rendering graphics and are now widely used in training AI models.
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
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Which of these gases is the main component of a greenhouse effect that causes global warming?
Correct Answer: Option B
Explanation:
Carbon dioxide traps heat in the atmosphere, significantly contributing to global climate change.
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
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What is the study of the structure and function of proteins called?
Correct Answer: Option C
Explanation:
Proteomics is the large-scale study of proteins, which are essential parts of all living organisms.
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
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Which company developed the 'Starlink' satellite internet constellation?
Correct Answer: Option B
Explanation:
SpaceX, founded by Elon Musk, operates the Starlink satellite network.
SpaceX, founded by Elon Musk, operates the Starlink satellite network.
This question belongs to:
Static General Knowledge
Science and Technology
Question #10
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What is a 'quantum computer' capable of doing much faster than a classical computer?
Correct Answer: Option D
Explanation:
Quantum computers use qubits to perform specific complex calculations, like cryptography or molecular modeling, at exponential speeds.
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
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Which of the following is a type of renewable energy?
Correct Answer: Option D
Explanation:
Solar energy is derived from the sun and is replenished naturally, making it renewable.
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
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What is the term used for the ability of machines to learn from data without explicit programming?
Correct Answer: Option D
Explanation:
Machine learning is a subset of AI that focuses on building systems that learn patterns from data.
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
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Which telescope is known for its ability to capture infrared images of deep space?
Correct Answer: Option C
Explanation:
The James Webb Space Telescope (JWST) is designed primarily for infrared astronomy.
The James Webb Space Telescope (JWST) is designed primarily for infrared astronomy.
This question belongs to:
Static General Knowledge
Science and Technology
Question #14
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What is the primary material used in modern computer microchips?
Correct Answer: Option D
Explanation:
Silicon is a semiconductor, making it ideal for creating transistors in microchips.
Silicon is a semiconductor, making it ideal for creating transistors in microchips.
This question belongs to:
Static General Knowledge
Science and Technology
Question #15
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Which technology allows the transmission of data through light?
Correct Answer: Option B
Explanation:
Li-Fi (Light Fidelity) uses light waves from LED bulbs to transmit data at high speeds.
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
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What is the basic unit of heredity in living organisms?
Correct Answer: Option D
Explanation:
A gene is the basic physical and functional unit of heredity.
A gene is the basic physical and functional unit of heredity.
This question belongs to:
Static General Knowledge
Science and Technology
Question #17
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Which of these is a popular 'Large Language Model' created by OpenAI?
Correct Answer: Option C
Explanation:
GPT-4 is a sophisticated large language model used in various AI applications.
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
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What is the process of converting light energy into chemical energy in plants called?
Correct Answer: Option D
Explanation:
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize food.
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
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What does 'IoT' stand for in technology?
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.
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
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Which mission was the first to send a human to the moon?
Correct Answer: Option B
Explanation:
Apollo 11 was the first spaceflight that landed humans on the Moon in 1969.
Apollo 11 was the first spaceflight that landed humans on the Moon in 1969.
This question belongs to:
Static General Knowledge
Science and Technology
