Daily Current Affairs for UPSC Civil Services Exam – 30 May 2021

In Today’s News:

  1. Sunderbans
  2. DNA
  3. CAG Audit

1. Sunderbans

News Summary

Yaas cyclone and the rising tides have severely affected Sunderbans.

Prelims GS – Environment

Sunderbans and Mangroves:
  • The Indian Sundarban, covering the south-westernmost part of the delta, constitutes over 60% of the country’s total mangrove forest area and includes 90% of Indian mangrove species.
  • The mangrove forests protect the hinterland from storms, cyclones, tidal surges, and the seepage and intrusion of saltwater inland and into waterways.
  • They serve as nurseries to shellfish and finfish and sustain the fisheries of the entire eastern coast.
  • The Sundarbans are a part of the world’s largest delta formed by the rivers Ganges, Brahmaputra, and Meghna on the Bay of Bengal.
  • Sunderban is a vast area covering 4262 square km in India alone, with a larger portion in Bangladesh.
  • 2585 sq. km of the Indian Sundarban forms the largest Tiger Reserve and National Park in India.
  • The total area of the Indian part of the Sunderban forest, lying within the latitude between 21°13′-22°40′ North and longitude 88°05′-89°06′ East, is about 4,262 sq km, of which 2,125 sq km is occupied by mangrove forest across 56 islands and the balance is underwater.
  • India has designated Sundarban Wetland as a Wetland of International Importance(Ramsar site).
  • Sunderbans National Park is also a UNESCO World Heritage site.
Some unique Species found in Sunderbans:
  • 96 royal Bengal tigers
  • Masked finfoot
  • the Buffy fish owl
  • Goliath heron
  • the spoon-billed sandpiper
  • Critically endangered northern river terrapin (Batagur Baska),
  • the endangered Irrawaddy dolphin (Orcaella brevirostris),
  • the vulnerable fishing cat (Prionailurus viverrinus)
  • Two of the world’s four horseshoe crab species,
  • 9 of India’s 12 species of kingfisher are also found here.

Click here to know more about Sunderbans.

2. DNA

News Summary

There is an article related to DNA and the evolution of mankind.

Prelims GS – Science & Technology

  • DNA is the chemical name for the molecule that carries genetic instructions in all living things.
  • The DNA molecule consists of two strands that wind around one another to form a shape known as a double helix.
  • Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.
  • Attached to each sugar is one of four bases–adenine (A), cytosine (C), guanine (G), and thymine (T).
  • The two strands are held together by bonds between the bases; adenine bonds with thymine, and cytosine bonds with guanine.
  • The sequence of the bases along the backbones serves as instructions for assembling protein and RNA molecules.

Click here to know more about DNA on the official website.

3. CAG Audit

News Summary

There is a piece of political news related to the CAG Audit and vaccine supply.

Prelims GS – Polity/Governance

  • CAG refers to the Comptroller and Auditor General of India.
  • CAG is the supreme audit institution of India.
  • Article 148 deals with the Comptroller and Auditor General of India.
  • CAG shall be appointed by the President by warrant under his hand and seal and shall only be removed from office in like manner and on like grounds as a Judge of the Supreme Court.
  • Article 149 deals with the Duties and Powers of the CAG.
CAG Audit:
  • Article 151 deals with the Audit reports.
  • The reports of the Comptroller and Auditor-General of India relating to the accounts of the Union shall be submitted to the president, who shall cause them to be laid before each House of Parliament.
  • The reports of the Comptroller and Auditor-General of India relating to the accounts of a State shall be submitted to the Governor of the State, who shall cause them to be laid before the Legislature of the State.

Click here to know more about CAG on the official website.



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