Space & Science — Set 3

Correct Answer: D. Space Applications Centre

• **Space Applications Centre** = It is an important ISRO unit located in Ahmedabad. • **Ahmedabad** — This city hosts the ISRO unit focused on developing payloads for communication and remote sensing satellites. • 💡 Wrong-option analysis: [Space Atmospheric Centre]: This is an incorrect full form; [Science Applications Council]: The words 'Science' and 'Council' are incorrect; [Space Ahmedabad Centre]: The word 'Ahmedabad' is incorrect in the full form.

Correct Answer: D. Magnetic Resonance Imaging

• **Magnetic Resonance Imaging** = It is a medical imaging technique that uses strong magnetic fields and radio waves to generate detailed images of internal organs. • **Non-invasive technique** — MRI is commonly used in hospitals for diagnosis without requiring surgery. • 💡 Wrong-option analysis: [Manual Resonance Imaging]: The word 'Manual' is incorrect; [Medical Resonance Imaging]: The word 'Magnetic' is missing; [Mechanical Resonance Imaging]: The word 'Mechanical' is incorrect.

Correct Answer: B. Light Detection and Ranging

• **Light Detection and Ranging** = It is a remote sensing method that uses laser pulses to measure distances and create high-resolution 3D maps. • **3D maps** — LiDAR technology is widely used to create these high-resolution maps for applications like autonomous vehicles and archeology. • 💡 Wrong-option analysis: [Link Detection and Ranging]: The word 'Link' is incorrect; [Light Data and Ranging]: The word 'Data' is incorrect; [Light Direction and Ranging]: The word 'Direction' is incorrect.

Correct Answer: D. Defence Research and Development Organisation

• **Defence Research and Development Organisation** = It is the agency responsible for military research in India, working under the Ministry of Defence. • **Indigenous military technology** — DRDO's primary role is to develop this, including missiles like the Agni and Prithvi series. • 💡 Wrong-option analysis: [Department of Research and Development Organisation]: The word 'Department' is incorrect; [Defence Radio Development Office]: This is an incorrect full form; [Defence Resource and Design Organisation]: The words 'Resource' and 'Design' are incorrect.

Correct Answer: A. Light Emitting Diode

• **Light Emitting Diode** = It is a semiconductor device that emits light when an electric current flows through it. • **Energy-efficient** — LEDs are known for this characteristic, making them last much longer than traditional light bulbs. • 💡 Wrong-option analysis: [Low Energy Diode]: The word 'Low' is incorrect; [Light Energy Device]: This is an incorrect full form; [Light Emitting Device]: The word 'Diode' is specifically correct, not 'Device'.

Correct Answer: A. A specific record-breaking launch mission

• **PSLV-C37 mission** = It was a specific record-breaking launch mission by ISRO. • **2017** — In this year, PSLV-C37 launched **104 satellites** in a single flight, setting a world record at the time. • 💡 Wrong-option analysis: [The 37th satellite developed by ISRO]: It refers to a launch mission, not a satellite; [A space research committee]: It is not a committee; [A new type of rocket engine]: It is a specific mission using a PSLV variant, not a new engine type.

Correct Answer: D. Radio Detection and Ranging

• **Radio Detection and Ranging** = It is a detection technology that uses radio waves to determine the distance, angle, and velocity of objects. • **Radio waves** — RADAR utilizes these waves to detect objects and is essential for aviation, marine navigation, and weather forecasting. • 💡 Wrong-option analysis: [Radar And Distance and Ranging]: The 'And Distance' part is incorrect; [Radio Direction and Ranging]: The word 'Direction' is incorrect, it's 'Detection'; [Rapid Detection and Ranging]: The word 'Rapid' is incorrect.

Correct Answer: A. Augmented Satellite Launch Vehicle

• **Augmented Satellite Launch Vehicle** = It was an improved version of the SLV-3 designed to launch heavier satellites. • **SLV-3** — ASLV was an improved version of this, acting as an intermediate stage between the SLV and the PSLV. • 💡 Wrong-option analysis: [Advanced Satellite Launch Vehicle]: The word 'Advanced' is incorrect; [Atmospheric Satellite Launch Vehicle]: This is an incorrect full form; [Aero Satellite Launch Vehicle]: This is an incorrect full form.

Correct Answer: B. Computed Tomography scan

• **Computed Tomography scan** = It is a medical imaging procedure that combines a series of X-ray images taken from different angles around the body. • **Cross-sectional images** — CT scans provide these 'slices' of bones and soft tissues, aiding in detailed diagnosis. • 💡 Wrong-option analysis: [Computerised Technical scan]: The word 'Technical' is incorrect; [Central Tomography scan]: The word 'Central' is incorrect; [Computed Texture scan]: The word 'Texture' is incorrect.

Correct Answer: B. Inter-University Centre for Astronomy and Astrophysics

• **Inter-University Centre for Astronomy and Astrophysics** = It is an autonomous institution for astronomical research based in Pune. • **Pune** — This city hosts IUCAA, which promotes collaboration among universities in the field of space science. • 💡 Wrong-option analysis: [Indian Union Council for Astronomical Application]: This is an incorrect full form; [Independent University Centre for Applied Astronomy]: The words 'Independent' and 'Applied' are incorrect; [Indian Union Center for Astro-Atmospherics]: This is an incorrect full form.