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Daily Current Affairs – 2020

Topic: For Prelims and Mains

G6 PD Deficiency

13th Aug 2020

  • Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an inherited condition usually occurring in males.
  • It is condition causing red blood cells to break down in response to certain medication, infections or other stresses.
  • It’s more common in those of African and Mediterranean descent.
  • Triggers include infections, stress, fava beans, aspirin and other drugs.
  • When symptoms are triggered, they include fever, dark urine, abdominal and back pain, fatigue and pale skin.
  • Most people recover in a few days without treatment.
  • However, patients are at risk of recurrent episodes, so avoidance of triggers is critical.
  • The deficiency is chronic and cannot be cured.

Greater Nocobar Island:

Why in news?

Researchers have found litter from Malaysia, Indonesia, and Thailand on the island, which hosts a biosphere reserve.

Context:

  • The pristine beaches of the Great Nicobar Island, India’s southernmost territory, are under threat from plastic. A survey of five beaches in the islands recorded the presence of plastic bottles.
  • Major portion of the litter (40.5%) was of Malaysian origin. It was followed by Indonesia (23.9%) and Thailand (16.3%). Other countries contributed a minor portion.
  • About 10 countries including India contributed to the plastic litter on the island. They were Malaysia, Indonesia, Thailand, Singapore, Philippines, Vietnam, India, Myanmar, China, and Japan.
  • Plastic pollution has emerged as one of critical  threats  to ocean  ecosystem.
  • Plastic represents 83 % of the marine litter found.
  • The remaining  17%  is mainly  textiles, paper ,metal & wood
  • The overwhelming contribution from Indonesia and Thailand was likely due to its proximity to the island; the plastic is likely to have made its way to the island because of water currents via the Malacca  Strait, which is a major shipping route.
  • The huge quantities of marine debrisobserved on this island might be due to improper handling of the solid waste from fishing/mariculture activity and ship traffic.
  • However, the researchers also point out that litter of Indian origin on beaches and mangroves of the Andaman Islands is continuously increasing.
  • This is probably due to lack of proper guidelines and inadequate staff to monitor these islands.

About Great Nicobar Island :

  • The Great Nicobar Island of Andaman has an area of about 1044 sq. km.
  • According to the 2011 census, it has a population of about 8,069.
  • The island is home to one of the most primitive tribes
    of India — the Shompens.
  • The island includes the Great Nicobar Biosphere Reserve (GNBR)comprising of the Galathea  National Park and the Campbell Bay National Park.
  • The island harbors a wide spectrum of ecosystems from tropical wet evergreen forests, mountain ranges and coastal plains.
  • The island is also home to giant robber crabs, crab-eating macaques, the rare megapode as well as leatherback turtles.

Facts for Prelims:

Saharan Silver Ant :

  • Saharan silver ant is the fastest of the world’s 12,000 known ant species.

A mode-S transponder :

  • A mode-S transponder is an electronic address which is unique to a country and each plane.
  • These are assigned under different categories — IAF, civilian aircraft and AAI’s ground equipment.

Mount Paektu :

  • Mount Paektu or Changbai (in Chinese) is a volcanic mountain that last erupted over 1,000 years ago.
  • It is situated at the border between DPRK and China and for centuries has been considered sacred by the Koreans since they treat it to be the spiritual origin of the Korean kingdom, where the founder was born.
  • At a height of about 9,000 feet, it is also the highest peak in the Korean peninsula.

 

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