Prelims 2021

10th October 2020 Daily Current Flash Cards

Shyamji Krishna Varma; Oksoko avarsan; What is Mosasaur?; Meteor shower; Draconid meteor shower; Renati Cholas;
By IASToppers
October 10, 2020




Who did start a monthly journal named the Indian sociologist in 1905?

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Answer: Shyamji Krishna Varma

Enrich Your Learning:

Shyamji Krishna Varma:

  • He was an Indian revolutionary fighter, lawyer and journalist.
  • The subtitle of The Indian Sociologist was ‘an Organ of Freedom, of Political, Social and Religious Reform’.
  • He was a member of Mitramela Abhinav Bharat revolutionary group.
  • He started a monthly journal, the Indian sociologist; an organ of freedom struggle of India in 1905.
  • The most important revolutionaries associated with him were V.D. Savarkar, Madanlal Dhingra, Madame Cama, and Lala Hardyal.
  • In 1907 Shyamji shifted his headquarters to Paris and Savarkar took up the political leadership of the Indian House in London.
  • He founded the Indian Home Rule SocietyIndia Houseand The Indian Sociologist in London.
  • The India House and The Indian Sociologist rapidly developed as an organised meeting point for radical nationalists among Indian students in Britain.
  • Most famous among the members of this organisation was Veer Savarkar.
  • Shyamji Krishan was also an admirer of Lokmanya Tilak and supported him during the Age of Consent bill controversy of 1890.
  • He rejected the petitioning, praying, protesting, cooperating and collaborating policy of the Congress Party.
  • An admirer of Dayanand Saraswati’s approach of cultural nationalism, and of Herbert Spencer, Krishna Varma believed in Spencer’s dictum: “Resistance to aggression is not simply justified, but imperative”.




Renati Cholas ruled over Renadu region, this region is referred to which present Indian state?

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Answer: Andhra Pradesh

Enrich Your Learning:

Rare inscription unearthed in Andhra Pradesh:

  • A rare inscription dating back to Renati Chola erahas been unearthed in a remote village of Kadapa district, Andhra Pradesh.

Major Highlights:

  • The inscription is found engraved on a dolomite slab and shale, which are part of a fragmentary pillar.
  • The inscription was written in archaic Teluguwhich was readable in 25 lines.
  • It was assigned to 8th Century A.D., when the region was under the rule of Chola Maharaja of Renadu.
  • The inscription throws light on the record of a gift of six Marttus(a measuring unit) of land gifted to one of the Brahmins serving the temple at Pidukula village.

Renati Cholas:

  • The Telugu Cholas of Renaduor Renati Cholas ruled over Renadu region, present day Cuddapah district, Andhra Pradesh.
  • The dynasty ruled Rayalaseemafrom fifth to the eleventh centuries from Cuddapa.
  • They were originally independent, later forced to the suzerainty of the Eastern Chalukyas.
  • They were the first to use Telugu language in theiradministration and inscriptions belonging to the 7th and 8th centuries.
  • The earliest of this family was Nandivarman(500 AD) who claimed descent from the family of Karikala and Kasyapa gotra.




How is Draconid meteor shower caused?

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The Draconid meteors are caused when Earth collides with bits of debris shed by periodic comet 21P/Giacobini-Zinner. The comet has a 6.5-year-long orbit that periodically carries it near Jupiter.

Enrich Your Learning:

Meteor shower:

  • A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky.
  • These meteors are caused by streams of cosmic debris called meteoroids entering Earth’s atmosphere at extremely high speeds on parallel trajectories.

Draconid meteor shower:

  • It is a minor meteor shower producing about 10 meteors per hour.
  • It is produced by the grains left behind by comet 21P Giacobini-Zinner in 1900.
  • The shower runs annually from October 6-11.
  • They are named after the constellation Draco, where they seemingly come from.
  • Draconid meteor shower is also called
  • Draconids are typically a very modest shower, offering only a handful of slow-moving meteors per hour.
  • In 1933 and 1946, there were thousands of meteors per hour seen in those years.

How they appear?

  • Glowing streaks may appear anywhere in the sky, but their tails all seem to point back to the same spot in the sky.
  • This happens because all meteors are coming towards Earth at the same angle, and as they come closer to our planet, the effect of perspective makes them seem to get farther apart.
  • It’s like standing in the middle of railroad tracks and seeing how the two tracks come together in the distance.




What do you mean by the term Mosasaur?

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Mosasaurs comprise a group of extinct, large marine reptiles.

Enrich Your Learning:


Why in news?

  • New species of mosasaur has been discovered by researchers named Gavialimimus almaghribensis which is said to be 60 million years old, with a long snout similar to a crocodile.

What is Mosasaur?

  • Mosasaur is an extinct aquatic lizard that attained a high degree of adaptation to the marine environment and were distributed worldwide during the Cretaceous Period (145.5 million to 65.5 million years ago).
  • The mosasaurs competed with other marine reptiles—the plesiosaurs and ichthyosaurs—for food, which consisted largely of ammonoids, fish, and cuttlefish.
  • Many mosasaurs of the Late Cretaceous were large, but the most common forms were no larger than modern porpoises.
  • Mosasaurs had snakelike bodies with large skulls and long snouts. Their limbs were modified into paddles having shorter limb bones and more numerous finger and toe bones than those of their ancestors.
  • The tail region of the body was long, and its end was slightly downcurved in a manner similar to that of the early ichthyosaurs.




Recently, scientists have discovered a new species named Oksoko avarsan of _____. a) Dinosaur OR b) Turtle

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Answer: Dinosaur

Enrich Your Learning:

Oksoko avarsan:

  • Scientists have discovered a new species of two-fingered dinosaur that resembled a giant parrot. Skeleton of the new species were unearthed in Mongolia’s Gobi Desert recently.
  • The creatures lived more than 68 million years ago and have been named Oksoko avarsan.
  • They grew to around two metres long with only two functional digits on each forearm.
  • They had a large, toothless beak which is quite similar to the parrots of today.
  • The study suggests that the forelimb adaption must have been a part of the dino-evolution.
  • The adaption could be because of the change in lifestyle and diet that helped them multiply and diversify. 
  • These animals were quite diverse before dinosaurs were eliminated from the Earth.
  • The dinosaur’s arm adaptations changed in relation to the migration of its species to current North America and Gobi Desert.
  • The well-preserved fossils provided the first evidence of digit loss in the family of dinosaurs known as oviraptors.
Prelims 2021 Daily Current Flash Cards 2020

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