UPSC 2018 › Science & Technology

16 questions · 2018 · answers as per the UPSC key

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Topics: Computer & Information Technology (5)Energy & Environment (3)Space Technology & Astronomy (3)Biotechnology & Genetics (1)Defence Technology (1)Health & Diseases (1)Materials & Engineering (1)Physics (1)

What is/are the consequence/consequences of a country becoming the member of the 'Nuclear Suppliers Group' ?

  1. It will have access to the latest and most efficient nuclear technologies.
  2. It automatically becomes a member of "The Treaty on the Non-Proliferation of Nuclear Weapons (NPT)".

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (a) 1 only

The identity platform 'Aadhaar' provides open "Application Programming Interfaces (APIs)". What does it imply ?

  1. It can be integrated into any electronic device.
  2. Online authentication using iris is possible.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (c) Both 1 and 2

Consider the following statements :

  1. The Food Safety and Standards Act, 2006 replaced the Prevention of Food Adulteration Act, 1954.
  2. The Food Safety and Standards Authority of India (FSSAI) is under the charge of Director General of Health Services in the Union Ministry of Health and Family Welfare.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (a) 1 only

With reference to digital payments, consider the following statements :

  1. BHIM app allows the user to transfer money to anyone with a UPI-enabled bank account.
  2. While a chip-pin debit card has four factors of authentication, BHIM app has only two factors of authentication.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (a) 1 only

In the Indian context, what is the implication of ratifying the 'Additional Protocol' with the 'International Atomic Energy Agency (IAEA)' ?

(a) The civilian nuclear reactors come under IAEA safeguards.
(b) The military nuclear installations come under the inspection of IAEA.
(c) The country will have the privilege to buy uranium from the Nuclear Suppliers Group (NSG).
(d) The country automatically becomes a member of the NSG.
Show answer
Answer: (a) The civilian nuclear reactors come under IAEA safeguards.

What is “Terminal High Altitude Area Defense (THAAD)”, sometimes seen in the news ?

(a) An Israeli radar system
(b) India’s indigenous anti-missile programme
(c) An American anti-missile system
(d) A defence collaboration between Japan and South Korea
Show answer
Answer: (c) An American anti-missile system

In which of the following areas can GPS technology be used ?

  1. Mobile phone operations
  2. Banking operations
  3. Controlling the power grids

Select the correct answer using the code given below :

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (d) 1, 2 and 3

The terms ‘WannaCry, Petya and EternalBlue’ sometimes mentioned in the news recently are related to

(a) Exoplanets
(b) Cryptocurrency
(c) Cyber attacks
(d) Mini satellites
Show answer
Answer: (c) Cyber attacks

With reference to the Indian Regional Navigation Satellite System (IRNSS), consider the following statements : 1. 2. 3. 2019.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) None
Show answer
Answer: (a) 1 only

Consider the following phenomena : 1. 2. 3.

Which of the above is/are the prediction/predictions of Albert Einstein's General Theory of Relativity, often discussed in media ?

(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (d) 1, 2 and 3

With reference to the Genetically Modified mustard (GM mustard) developed in India, consider the following statements : 1. pest-resistance to a wide variety of pests. 2. 3.

Which of the statements given above is/are correct ?

(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (b) 2 only

Consider the following pairs : Terms sometimes seen in news 1. 2. 3.

Which of the pairs given above is/are correctly matched ?

(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (b) 2 only

When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart mirror in your bathroom shows the day's weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When you step out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a message to your office accordingly. In the context of emerging communication technologies, which one of the following terms best applies to the above scenario ?

(a) Border Gateway Protocol
(b) Internet of Things
(c) Internet Protocol
(d) Virtual Private Network
Show answer
Answer: (b) Internet of Things

With reference to solar power production in India, consider the following statements : 1. units. 2.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (d) Neither 1 nor 2

"3D printing" has applications in which of the following ?

  1. Preparation of confectionery items
  2. Manufacture of bionic ears
  3. Automotive industry
  4. Reconstructive surgeries
  5. Data processing technologies

Select the correct answer using the code given below :

(a) 1, 3 and 4 only
(b) 2, 3 and 5 only
(c) 1 and 4 only
(d) 1, 2, 3, 4 and 5
Show answer
Answer: (d) 1, 2, 3, 4 and 5

With reference to India's satellite launch vehicles, consider the following statements :

  1. PSLVs launch the satellites useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites.
  2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location on Earth.
  3. GSLV Mk III is a four-staged launch vehicle with the first and third stages using solid rocket motors; and the second and fourth stages using liquid rocket engines.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 and 3
(c) 1 and 2
(d) 3 only
Show answer
Answer: (a) 1 only