Revision summary
Official key is (b) 1, 3 and 4 only. At the then state of AI: industrial energy use, diagnosis, and TTS were live. Inventing meaningful stories/songs and wireless power transmission were not keyed as effective AI tasks.
Model answer
Introduction
(a) 1, 2, 3 and 5. Meaningful stories/songs and wireless power were not keyed as effective AI then; 5 is physics, not AI.
Summary. Official key is (b) 1, 3 and 4 only. At the then state of AI: industrial energy use, diagnosis, and TTS were live. Inventing meaningful stories/songs and wireless power transmission were not keyed as effective AI tasks.
Body
- B
1, 3 and 4 only. Energy optimisation in plants, disease diagnosis, text-to-speech. Not creative fiction as a reliable output, not wireless electricity.
- C
2, 4 and 5 only. Wrong trio.
- D
All five. Over-claims 2 and 5 at the 2020 state of the art as keyed.
Summary. Official key is (b) 1, 3 and 4 only. At the then state of AI: industrial energy use, diagnosis, and TTS were live. Inventing meaningful stories/songs and wireless power transmission were not keyed as effective AI tasks.
Conclusion
Summary. Official key is (b) 1, 3 and 4 only. At the then state of AI: industrial energy use, diagnosis, and TTS were live. Inventing meaningful stories/songs and wireless power transmission were not keyed as effective AI tasks.
More from this topic
Q14 · UPSC Mains 2026 · General Studies · 2 marks · Solution
Which of the following statements on the Amaravati Stupa and its relief sculpture is/are correct? 1. It was located in the lower Krishna valley. 2. In India, it was next only to the Sanchi Stupa in size. 3. The Amaravati school of sculpture made a lasting impact on the later South Indian sculpture, and its products were carried to Sri Lanka and South-east Asia. Select the answer using the code given below: (a) 1 only (b) 1 and 3 only (c) 2 and 3 only (d) 1, 2 and 3 Official key: B.
Art and Culture
Official key is (b): statements 1 and 3 hold; the “next only to Sanchi in size” claim does not.
Q13 · UPSC Mains 2026 · General Studies · 2 marks · Solution
Which of the following pairs of ancient and modern names of rivers is/are correctly matched? 1. Vitasta : Chenab 2. Asikni : Jhelum 3. Parushni : Ravi 4. Yavyavati : Beas Select the answer using the code given below: (a) 1 and 2 (b) 3 and 4 (c) 3 only (d) 4 only Official key: C.
Art and Culture
Official key is (c): only pair 3 (Parushni : Ravi) is correctly matched; the other three pairs misuse the standard Vitasta–Jhelum, Asikni–Chenab and Vipasha–Beas equations.
Q99 · UPSC Mains 2026 · General Studies · 2 marks · Solution
Consider the following statements about the Non-Banking Financial Companies (NBFCs) in India: 1. NBFCs cannot accept demand deposits. 2. All the NBFCs operating in India have to be registered with the RBI. 3. NBFCs form part of the payment and settlement system and can issue cheque drawn on itself. 4. Deposit insurance facility of Deposit Insurance and Credit Guarantee Corporation (DICGC) is not available to the depositors of deposit taking NBFCs. Which of the statements given above is/are correct? (a) 1 and 4 (b) 1, 2 and 3 (c) 4 only (d) 2, 3 and 4 Official key: A.
Art and Culture
Official key is (a) because NBFCs are legally barred from accepting demand deposits and cannot issue cheques, and DICGC deposit insurance does not extend to NBFC depositors, making statements 1 and 4 correct while 2 and 3 are incorrect.