UPSC 2022 Science & Technology Previous Year Questions

Question 1

Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network Which of the above are considered Short-Range devices/technologies?

Accepted Answer

Correct Option: D. 1 and 2 only | 2 and 3 only | 1 and 3 only | 1, 2 and 3. CCTV systems, RFID and WLAN are all short-range communication/device technologies in this context.

Question 2

Which one of the following is the context in which the term "qubit" is mentioned?

Accepted Answer

Correct Option: B. Cloud Services | Quantum Computing | Visible Light Communication Technologies | Wireless Communication Technologies. A qubit is the basic unit of information in quantum computing.

Question 3

Consider the following: 1. Aarogya Setu 2. CoWIN 3. DigiLocker 4. DIKSHA Which of the above are built on top of open-source digital platforms?

Accepted Answer

Correct Option: D. 1 and 2 only | 2, 3 and 4 only | 1, 3 and 4 only | 1, 2, 3 and 4. Aarogya Setu, CoWIN, DigiLocker and DIKSHA are all built on/open digital platform architecture and released/used with open APIs or open-source components.

Question 4

With reference to India, consider the following statements: 1. Monazite is a source of rare earths. 2. Monazite contains thorium. 3. Monazite occurs naturally in the entire Indian coastal sands in India. 4. In India, Government bodies only can process or export monazite. Which of the statements given above are correct?

Accepted Answer

Correct Option: B. 1, 2 and 3 only | 1, 2 and 4 only | 3 and 4 only | 1, 2, 3 and 4. Monazite is a source of rare earths and thorium, and in India only government/authorized bodies can process/export it due to atomic mineral controls. It is not present along the entire Indian coast.

Question 5

Consider the following countries: 1. Azerbaijan 2. Kyrgyzstan 3. Tajikistan 4. Turkmenistan 5. Uzbekistan Which of the above have borders with Afghanistan?

Accepted Answer

Correct Option: C. 1, 2 and 5 only | 1, 2, 3 and 4 only | 3, 4 and 5 only | 1, 2, 3, 4 and 5. Afghanistan borders Tajikistan, Turkmenistan and Uzbekistan. It does not border Azerbaijan or Kyrgyzstan.

UPSC 2022 Science & Technology PYQs with Answers