Chronicle English Books 2023 for Mains

Current Affairs Questions

Science & Technology:

Nuclear Fusion

Consider the following statements:

  1. Controlled nuclear fusion can provide an unlimited amount of clean energy.
  2. Nuclear fusion does not emit harmful molecules like carbon dioxide or any greenhouse gas (GHG) into the atmosphere.
  3. Nuclear fusion produces any high-activity, long-lived radioactive waste.

Which of the above statement(s) is/are true?


Pralay

Consider the following statements:

  1. Pralay is a quasi-ballistic surface-to-surface short-range missile.
  2. It can hit targets 150-500 kms away.
  3. The missile can carry 1000 kg high grade explosive.

Which of the above statement(s) is/are true?


CRISPR-Cas9

Consider the following statements:

  1. CRISPR-Cas9 stands for Clustered Regularly Interspaced Short Palindromic Repeats and CRISPR-associated protein 9.
  2. It is fast, accurate and cheaper than other gene editing techniques.
  3. CRISPR-Cas9 was adapted from a genome editing system in bacteria.

Which of the above statement(s) is/are true?


SWOT Satellite

Consider the following statements:

  1. Recently, National Aeronautics and Space Administration (NASA) launched the Surface Water and Ocean Topography (SWOT) satellite.
  2. Canadian Space Agency (CSA) is not a part of this project.
  3. SWOT incorporates advanced microwave radar technology to collect high-definition measurements of oceans, lakes, reservoirs and rivers over 90% of the globe.

Which of the above statement(s) is/are true?


HAKUTO-R Mission.

Consider the following statements:

  1. Recently, Japanese space startup ispace Inc launched its own private lander M1 to the Moon under its HAKUTO-R Mission.
  2. HAKUTO-R is Japan’s second lunar mission.
  3. HAKUTO-R means ‘white rabbit’ in Japanese.

Which of the above statement(s) is/are true?


Indian Biological Data Centre (IBDC)

Consider the following statements:

  1. Recently, the ‘Indian Biological Data Centre’ (IBDC) was dedicated to the nation. It has been established at the Regional Centre for Biotechnology (RCB), Faridabad.
  2. IBDC is the first national repository for life science data in India. The data bank is supported by the Department of Biotechnology (DBT).
  3. It has a data storage capacity of about 8 petabytes and houses the ‘Brahm’ High Performance Computing (HPC) facility.

Which of the above statement(s) is/are true?


James Webb Space Telescope (JWST)

Consider the following statements:

  1. Recently, the James Webb Space Telescope (JWST) provided unprecedented details of the atmosphere of a distant exoplanet, WASP-39 b.
  2. It is a ‘hot Saturn’ orbiting a star some 1000 light-years away.
  3. One of the key observations is the first detection in an exoplanet atmosphere of sulfur dioxide (SO2), a molecule produced from chemical reactions triggered by high-energy light from the planet’s parent star.

Which of the above statement(s) is/are true?


Photonic Crystal

Consider the following statements:

  1. Recently, researchers from the Centre for Nano and Soft Sciences (CeNS) have developed soft tunable photonic crystal with enhanced thermal stability and optical purity.
  2. The crystal reflects vivid colours in the visible spectrum and has potential applications in making more durable and better reflective displays and laser devices.
  3. Photonic crystals are optical nanostructures in which the refractive index changes periodically.

Which of the above statement(s) is/are true?


Earth Observation Satellite (EOS-06)

Consider the following statements:

  1. Recently, Indian Space Research Organisation's (ISRO) Polar Satellite Launch Vehicle (PSLV-C54) successfully placed nine satellites - an Earth Observation Satellite (EOS-06) and eight nano satellites - in multiple orbits.
  2. The eight nano satellites include ISRO Nano Satellite-2 for Bhutan (INS-2B), Anand, Astrocast (three satellites), and three Thybolt satellites.
  3. EOS-06, a third-generation satellite in the Oceansat series (Oceansat-3), is a follow-up to OceanSat-1 or IRS-P4 and OceanSat-2 launched in 1999 and 2009, respectively.

Which of the above statement(s) is/are true?


Vikram-S

Consider the following statements:

  1. On 18th November, 2022, India’s first privately developed rocket, Vikram-S, was successfully launched from Indian Space Research Organisation’s (ISRO) launchpad in Sriharikota.
  2. The rocket has been launched under the mission named ‘Prarambh’, which literally translates as ‘beginning’.
  3. Vikram-S is a three-stage solid fuelled, sub-orbital rocket developed by incorporating advanced technologies including carbon composite structures and 3D-printed components.

Which of the above statement(s) is/are true?


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