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UPSC Daily Current Affairs| One Liners 31-01-2025

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January 31, 2025

 

One Liners 31-01-2025

History, Art and Culture

Excavation of Iron knife

  • Found in – Marungur archaeological site, Cuddalore district of Tamil Nadu.
  • Found by – Tamil Nadu State Department of Archaeology (TNSDA).
  • Iron knife – It is a broken knife made of iron weighing 23 grams.
  • Measurement – 13 cm long and 2.88 mm thickness.
  • Usage – It dates back to at least 5,300 years ago.
  • It is the oldest date available for the Iron Age in India.

Discovery of 30 Inscriptions

  • Found in – Abbana Bettu Basadi, Karnataka.
  • It is 450-years old, and provided insights into Jain heritage.
  • Spanning - Several centuries of Kalasa-Karkala Jain dynasty.
  • The earliest inscription on 16th century dates back to the reign of Saluva Bhairarasa (Bhairarasa II).
  • It records that Lakshmamanadevi, the wife of Saluva Bhairarasa, commissioned a list of 24 Tirthankaras and donated it to the basadi.
  • Another 16th-century inscription reveals that it was commissioned by a patron named Devarasa.
  • The inscriptions on the silver arches are the most recent among the discoveries, dating back to the 19th century.
  • 30 inscriptions
    • 29 inscriptions – Kannada script.
    • 1 inscriptions – Nagari, bearing only the name of a Tirthankara.

Geography

Coronal Mass Ejections (CMEs)

  • CMEs – They are magnetized plasma bubbles ejected from the Sun and evolve in the interplanetary medium.
  • Appearance – It looks like huge, twisted rope, called as Flux Rope.
  • Speed Range - Slower than 250 kilometers per second (km/s) to as fast as near 3000 km/s.
  • They are the major drivers of perturbations in the Earth’s magnetic field, known as geomagnetic storms.
  • Such storms can cause severe impacts on ground and space-based technological systems, such as communication disruptions, deorbiting satellites, and power grid failures.

Polity & Governance

 Assistance to Drought Prone Areas

High-Level Committee (HLC) has approved project for catalytic assistance.

  • Objective - To 12 most drought prone states.
  • 12 states – Andhra Pradesh, Bihar, Gujarat, Jharkhand, Karnataka, Madhya Pradesh, Maharashtra, Odisha, Rajasthan, Tamil Nadu, Telangana and Uttar Pradesh.
  • Funded by – National Disaster Mitigation Fund (NDMF).

Mitigation Scheme for Forest Fire Risk Management

Union Minister has approved the Mitigation Scheme for Forest Fire Risk Management.

  • Objective – To transforming the forest fire management approach in the country.
  • Implemented in – 144 high-priority districts in 19 states.
  • 19 states – Andhra Pradesh, Arunachal Pradesh, Assam, Chhattisgarh, Gujarat, Himachal Pradesh, Jharkhand, Karnataka, Kerala, Manipur, Maharashtra, Mizoram, Madhya Pradesh, Meghalaya, Nagaland, Odisha, Tamil Nadu, Telangana and Uttarakhand
  • Funded by – National Disaster Mitigation Fund (NDMF) & National Disaster Response Fund (NDRF).

Environment

Coal

  • Coal – It is a sedimentary deposit composed predominantly of carbon that is readily combustible.
  • Color – Black or brownish-black.
  • Composition – Inherent moisture consists of more than 50% by weight and more than 70% by volume of carbonaceous material.
  • Formation – From plant remains that have been compacted, hardened, chemically altered and metamorphosed by heat and pressure over geologic time.

Security

Anti-Submarine Warfare Shallow Water Craft (ASW SWC)

  • Objective – To undertake anti-submarine operations in coastal waters, Low Intensity Maritime Operations (LIMO) and Mine Laying Operations.
  • Maximum speed - 25 knots.
  • Endurance - 1800 NM.
  • Capabilities
    • Interdiction/ destruction of sub surface targets in coastal waters.
    • Carrying out Search and Rescue by day and night.
    • To prosecute intruding craft as part of LIMO.

Indian Naval Sailing Vessel (INSV) Tarini

INSV Tarini, successfully passed through Point Nemo, Oceanic Pole in South Pacific.

  • INSV Tarini – It is a 56-foot sailing vessel built by Aquarius Shipyard Ltd.
  • It was inducted in the Indian Navy on February 18, 2017.
  • Under – Navika Sagar Parikrama-II.
  • 2 women Navy officers, Dilna K. and Roopa A recently crossed Point Nemo ongoing global circumnavigation journey.
  • Expedition – It is the most extended leg of the expedition, with a distance of approximately 5,600 nm (approximately 10,400 km).
  • Point Nemo - Located in the South Pacific, which is the Oceanic Pole of inaccessibility, the most remote location on Earth.

Miscellaneous

International Zebra Day

  • It is observed every year on 31 January.
  • It is established to highlight the challenges zebras face in the wild.
  • Highlights – The challenges zebras face in the wild.
  • Zebra species – They are native to Africa, roam across countries like Kenya, Namibia, and South Africa.
  • Threats – Habitat loss due to climate change and poaching.
  • 3 species & Conservation status
    • Grevy’s zebra – Endangered.
    • Mountain zebra – Vulnerable.
    • Plains zebra – Near-threatened.

World Neglected Tropical Diseases (NTDs) Day 2025

  • It is observed annually on 30 January.
  • It is an act to eliminate NTDs by making bold, sustainable investments to free the estimated 1.5 billion people.
  • Theme – Unite, Act and Eliminate.
  • NTDs – They are a diverse group of conditions caused by a variety of pathogens including viruses, bacteria, parasites, fungi and toxins.

 

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