Space & Science — Set 2

Correct Answer: C. China National Space Administration

• **China National Space Administration** = CNSA is the national space agency of China, overseeing its space program. • **Moon and Mars** — CNSA has achieved the notable feat of successfully landing rovers on both the Moon and Mars. • 💡 Wrong-option analysis: Chinese Network for Space Application: Incorrect, 'Network' and 'Application' are not part of the official administrative body name; China National Science Administration: Incorrect, 'Science' is too broad; 'Space' specifies the domain; Central National Space Agency: Incorrect, 'Central' is not part of the official name, and 'Administration' is the correct term.

Correct Answer: D. Global Positioning System

• **Global Positioning System** = GPS is a satellite-based radionavigation system providing location and time information. • **United States government** — GPS is owned and maintained by the U.S. government, providing free access worldwide. • 💡 Wrong-option analysis: Global Positioning Service: Incorrect, 'System' is the correct term, not 'Service'; General Positioning System: Incorrect, 'General' is too vague; 'Global' correctly describes its worldwide coverage; Geographical Positioning System: Incorrect, 'Geographical' is not part of the official name, which focuses on the 'Global' aspect.

Correct Answer: B. International Space Station

• **International Space Station** = The ISS is a modular space station in low Earth orbit, serving as a habitable artificial satellite for research. • **low Earth orbit** — The ISS orbits Earth in LEO, allowing for relatively easy access for crew and cargo missions. • 💡 Wrong-option analysis: Integrated Space System: Incorrect, 'Integrated' and 'System' are not part of its official name; International Science Satellite: Incorrect, it is a 'Station' for research, not merely a 'Satellite'; International Space Shuttle: Incorrect, the Space Shuttle was a transport vehicle, not the station itself.

Correct Answer: A. Vikram Sarabhai Space Centre

• **Vikram Sarabhai Space Centre** = VSSC is ISRO's primary research and development center for rocket and launch vehicle technology. • **Thiruvananthapuram** — This city in Kerala is where the VSSC is located, serving as ISRO's key rocket development hub. • 💡 Wrong-option analysis: Valley Science and Space Centre: Incorrect, 'Valley' is not part of the name, and the name is specific to a person; Vigyan Sarabhai Space Centre: Incorrect, 'Vigyan' (Science) is not the correct first word in the name; Vikram Science Support Centre: Incorrect, 'Science Support' is not the primary function; it's a 'Space Centre'.

Correct Answer: D. Light Amplification by Stimulated Emission of Radiation

• **Light Amplification by Stimulated Emission of Radiation** = LASER is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. • **coherent light** — A key characteristic of laser light is its coherence, meaning waves are in phase, allowing for a highly focused and intense beam. • 💡 Wrong-option analysis: Light Association for Scientific Energy Research: Incorrect, 'Association' and 'Energy Research' are completely unrelated to the technical process; Light Amplification by Standard Emission of Radiation: Incorrect, 'Standard' is wrong; 'Stimulated' is the crucial term describing the emission process; Light Absorption by Stimulated Emission of Radiation: Incorrect, 'Absorption' is the opposite of 'Amplification' in this context.

Correct Answer: D. Bhabha Atomic Research Centre

• **Bhabha Atomic Research Centre** = India's premier nuclear research facility located in Mumbai. • **Mumbai** — This city hosts India's premier nuclear research facility. • 💡 Wrong-option analysis: [Bhabha Advanced Research Centre]: The word 'Advanced' is incorrect; [Biotechnology and Atomic Research Council]: This is an incorrect full form; [Bharat Atomic Research Centre]: The name 'Bharat' is incorrect.

Correct Answer: C. International Thermonuclear Experimental Reactor

• **International Thermonuclear Experimental Reactor** = This is an international nuclear fusion research and engineering project. • **Nuclear fusion** — The project aims to prove its feasibility as a large-scale carbon-free energy source. • 💡 Wrong-option analysis: [International Technology for Energy Research]: This is an incorrect full form; [Integrated Thermonuclear Energy Resource]: The words 'Integrated' and 'Resource' are incorrect; [International Thermal Energy Reactor]: The word 'Thermonuclear' is missing.

Correct Answer: A. Satish Dhawan Space Centre

• **Satish Dhawan Space Centre** = It is India's main spaceport, located in Sriharikota, Andhra Pradesh. • **Sriharikota** — This location in Andhra Pradesh serves as India's primary launch site for ISRO's satellite vehicles. • 💡 Wrong-option analysis: [Space Design and Support Centre]: This is an incorrect full form; [Satellite Development Science Centre]: This is an incorrect full form; [Sardar Dhawan Space Centre]: The name 'Sardar' is incorrect, it's 'Satish'.

Correct Answer: C. Sound Navigation and Ranging

• **Sound Navigation and Ranging** = It is a technique that uses sound waves to detect objects under the water's surface. • **Sound waves** — SONAR utilizes these waves to detect underwater objects and map the ocean floor. • 💡 Wrong-option analysis: [Sound Network and Ranging]: The word 'Network' is incorrect; [Submarine Objects Navigation and Ranging]: The full form is 'Sound Navigation and Ranging'; [Sound Nature and Ranging]: The word 'Nature' is incorrect.

Correct Answer: B. Reusable Launch Vehicle

• **Reusable Launch Vehicle** = It is a type of launch vehicle designed to return to Earth after a launch for repeated use. • **Reduced cost** — This technology significantly reduces the cost of launching payloads into space. • 💡 Wrong-option analysis: [Regional Launch Vehicle]: This is an incorrect full form; [Remote Launch Vehicle]: This is an incorrect full form; [Rapid Launch Vehicle]: This is an incorrect full form.