UPSC CSE Prelims
Question 44
Consider the following pairs:
| Terms sometimes seen in news | Context/Topic |
|---|---|
| 1. Belle II experiment | Artificial Intelligence |
| 2. Blockchain technology | Digital/Cryptocurrency |
| 3. CRISPR - Cas9 | Particle Physics |
Which of the pairs given above is/are correctly matched?
View correct answer and explanation
Correct answer: B
Correct Option: B
Explanation: Belle II at KEK in Japan is a particle-physics experiment; blockchain underpins distributed ledgers and cryptocurrencies; CRISPR–Cas9 is genome editing, not a particle accelerator.
Statement/Pair-wise Analysis:
Pair 1: Incorrect - Belle II studies B-meson decays and particle physics, not artificial intelligence as its main subject.
Pair 2: Correct - Blockchain is a distributed ledger technology used in digital currencies.
Pair 3: Incorrect - CRISPR–Cas9 is a gene-editing technique, not particle physics.
Option-wise Analysis:
A: Incorrect - includes incorrect pairs 1, 3; omits correct pair 2.
B: Correct - includes all and only the true statements/items.
C: Incorrect - includes incorrect pair 3.
D: Incorrect - includes incorrect pairs 1, 3.