UPSC Prelims 2001 Q97: Science & Technology – Space Technology & Astronomy
- (a) A-4; B-1; C-2; D-3
- (b) A-1; B-4; C-3; D-2
- (c) A-1; B-4; C-3; D-2
- (d) A-4; B-1; C-3; D-2
Answer: (d) A-4; B-1; C-3; D-2
Explanation
Matching space units with their locations on the map
| Unit | City |
|---|---|
| A. ISRO headquarters | Bengaluru |
| B. IIRS (Indian Institute of Remote Sensing) | Dehradun |
| C. NRSA (now National Remote Sensing Centre) | Hyderabad |
| D. SAC (Space Applications Centre) | Ahmedabad |
The figure for this question is not available, and no published copy we could find shows it or confirms the answer. The answer below is the key held in our question bank and is not independently verified. The table gives the real location of each unit; the key (d) places ISRO at 4, IIRS at 1, NRSA at 3 and SAC at 2 on the map. (The options were restored from the civilsdaily copy, in which (b) and (c) are printed alike.)
Answer: (d) A-4; B-1; C-3; D-2.
Why each option is right or wrong
- (a) Incorrect. The bank key does not match this code.
- (b) Incorrect. The bank key does not match this code.
- (c) Incorrect. The bank key does not match this code.
- (d) CORRECT. The bank key gives A-4, B-1, C-3, D-2.
Key point
Other ISRO centres: VSSC (Thiruvananthapuram), SDSC-SHAR (Sriharikota), URSC (Bengaluru), LPSC (Valiamala and Bengaluru).
Remember
IIRS Dehradun, SAC Ahmedabad, NRSC Hyderabad, ISRO HQ Bengaluru.
Common mistakes
- Placing IIRS in Hyderabad with the NRSC.
- Putting ISRO headquarters outside Bengaluru.
- Swapping SAC (Ahmedabad) and NRSC (Hyderabad).
Exam tip
Learn ISRO units by city: Dehradun, Ahmedabad, Hyderabad, Bengaluru.
Sources
- ISRO — Centres and Units (isro.gov.in)
- Indian Institute of Remote Sensing — About IIRS (iirs.gov.in)