news 25.03.2020

1. Probe-free detection assay
Why in news?
  • Researchers at the Indian Institute of Technology here have developed a method called Probe-free detection assay to detect COVID-19.
  • The National Institute of Virology, Pune, is in the process of validating this test on clinical samples.

What is a probe?
  • Probes are complementary to the gene of interest and labelled with a molecular beacon.
  • A probe is a single-stranded sequence of DNA or RNA used to search for its complementary sequence in a sample genome.
  • A probe is generally labelled with a radioactive or chemical tag that allows its binding to be visualized.
How will it benefit?
  • Probe-free detection assay method will significantly reduce the test cost.
  • This initiative will make the test toolkit for detection of COVID-19 affordable for large sections.
  • Large clusters of society where the outbreak has taken place can be detected.
About ICMR
  • The Indian Council of Medical Research is the apex body in India for the formulation, coordination and promotion of biomedical research.
  • The institute is one of the oldest and largest medical research bodies in the world.


2. Resolution for removal of ‘socialism’ from Constitution
Why in news?
Recently a member of the Rajya Sabha, Rakesh Sinha has issued a notice to the Chairman to move a resolution to move in the House. The resolution is sought the removal of the phrase “socialism” from the preamble of the Constitution.
What the resolution about?
  • The resolution aims to remove the word ‘socialism’ as the member finds it redundant in the current scenario.
  • He wants to create a space for ‘economic thinking’ by dropping the word ‘socialism’.
Can preamble be amended?
  • Supreme Court in Kesavnanda Bharti case, 1973 pronounced that the preamble is a part of the Constitution and the Parliament has full rights to amend the Preamble.
  • The Preamble has been amended only once so far, in 1976, by the 42nd Constitutional Amendment Act, which has added three new words— Socialist, Secular and Integrity—to the Preamble.

source-- Saroj Singh (gradeup)




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