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UPSC Essentials | Daily subject-wise quiz : Science and Technology MCQs on VitalID, Low Earth Orbit, Scramjet engine and more (Week 157)

April 8, 2026 2,777 views 4 min read
UPSC Essentials | Daily subject-wise quiz : Science and Technology MCQs on VitalID, Low Earth Orbit, Scramjet engine and more (Week 157)

UPSC Essentials | Daily Subject-Wise Quiz: Science and Technology MCQs on VitalID, Low Earth Orbit, Scramjet Engine and More (Week 157)


In the realm of competitive examinations in India, the UPSC (Union Public Service Commission) stands out as one of the most prestigious and challenging. To equip aspiring civil servants with the necessary knowledge and skills, UPSC Essentials has launched a daily subject-wise quiz series. This week, we delve into the fascinating world of Science and Technology, focusing on critical topics like VitalID, Low Earth Orbit, and the revolutionary Scramjet engine. These quizzes are designed to enhance understanding and retention of vital concepts that play a significant role in the UPSC syllabus.



Understanding VitalID


One of the crucial topics highlighted in this week's quiz is VitalID. This innovative identification technology is gaining traction in various sectors, particularly in healthcare and security. VitalID leverages biometric data to create a unique identification system for individuals, thereby improving access to services while ensuring privacy and security. As this technology evolves, it is essential for UPSC aspirants to grasp its implications on governance and policy-making.



The Significance of Low Earth Orbit


Another pivotal topic covered is the Low Earth Orbit (LEO). LEO refers to orbits that are close to Earth's surface, typically ranging from 160 to 2,000 kilometers above sea level. This region has become increasingly significant due to the proliferation of satellites for communication, Earth observation, and scientific research. Understanding the dynamics of LEO is crucial for candidates, especially in light of recent developments in satellite technology and space exploration. The growing interest in LEO raises questions about regulations, international treaties, and the implications for space debris management.



The Scramjet Engine Revolution


Perhaps one of the most exciting advancements in aerospace technology is the Scramjet engine, or Supersonic Combustion Ramjet. This type of engine operates at hypersonic speeds and is designed to use the oxygen from the atmosphere for combustion, eliminating the need for heavy oxidizers. This advancement not only promises to reduce the weight of spacecraft but also enhances fuel efficiency, making it a game-changer for future space missions. Understanding the engineering principles and potential applications of scramjet technology is vital for UPSC aspirants, particularly those interested in defense and aerospace sectors.



Preparing for the UPSC Exam with Science and Technology Quizzes


As the UPSC exam approaches, it becomes increasingly important for candidates to stay updated with recent scientific advancements and technological innovations. The daily quizzes on topics such as VitalID, Low Earth Orbit, and Scramjet engines serve as an effective tool for revision and self-assessment. These quizzes not only test knowledge but also encourage critical thinking about how these technologies can impact society and governance.



Moreover, understanding these concepts can provide candidates with an edge in the interview stage of the UPSC selection process. Panelists often seek candidates who are well-versed in current affairs and can discuss the implications of technology on public policy. Therefore, engaging with these quizzes is not merely an academic exercise but a strategic move in preparing for a successful career in civil services.



Conclusion


In conclusion, the UPSC Essentials daily quiz series serves as an excellent resource for candidates aspiring to enter the Indian civil services. By focusing on Science and Technology topics like VitalID, Low Earth Orbit, and Scramjet engines, candidates can enhance their knowledge base and prepare effectively for the exam. As technology continues to evolve, staying informed about these advancements will not only aid in exam preparation but also prepare candidates for the challenges they may face in their future roles as public servants. Embracing such learning opportunities is key to building a successful career in civil services.