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Type: Prelims Only

  • Modern Indian History-Events and Personalities

    100 Years of Malabar Rebellion

    Prelims Only | | Mains Paper 1: Modern Indian History

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Malabar Rebellion 1921

    Mains level: Peasants revolts in the colonial period

    With the 1921 Malabar Rebellion turning 100 next year, several movies have been announced back-to-back.

    Try this question from CSP 2015:

    Q. Which amongst the following provided a common factor for tribal insurrection in India in the 19th century?

    (a.) Introduction of a new system of land revenue and taxation- of tribal products

    (b.) Influence of foreign religious missionaries in tribal areas

    (c.) Rise of a large number of money lenders, traders and revenue farmers as middlemen in tribal areas

    (d.) The complete disruption of the old agrarian order of the tribal communities

    What is the Malabar Rebellion?

    • The Malabar Rebellion in 1921 started as resistance against the British colonial rule and the feudal system in southern Malabar but ended in communal violence between Hindus and Muslims.
    • There were a series of clashes between Mappila peasantry and their landlords, supported by the British, throughout the 19th and early 20th centuries.
    • It began as a reaction against a heavy-handed crackdown on the Khilafat Movement, a campaign in defence of the Ottoman Caliphate by the British authorities in the Eranad and Valluvanad taluks of Malabar.
    • The Mappilas attacked and took control of police stations, British government offices, courts and government treasuries.

    Also in news:

    Variyankunna Kunjahammed Haji

    • He was one of the leaders of the Malabar Rebellion of 1921.
    • He raised 75000 natives, seized control of large territory from the British rule and set up a parallel government.
    • In January 1922, under the guise of a treaty, the British betrayed Haji through his close friend Unyan Musaliyar, arresting him from his hideout and producing him before a British judge.
    • He was sentenced to death along with his compatriots.

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  • Contention over South China Sea

    In news: Senkaku Islands

    Prelims Only | International Relations | Mains Paper 2: India & Its Neighborhood – Relations

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Senkaku Islands

    Mains level: China's territorial expansion plans

    A local council in southern Japan voted to rename an area covering the Tokyo-controlled Senkaku Islands — known by Taiwan and China as the Diaoyus — from “Tonoshiro” to “Tonoshiro Senkaku”.

    Try this:

    Q. Recently, Senkaku Island was in the news. Where is it located?

    a) South China Sea

    b) Indian Ocean

    c) East China sea

    d) Red sea

    Senkaku Island Dispute

    • The Japanese-administered island chain, formed by five islets and three barren rocks, covers an area of 7 square km.
    • It is located about 200km southwest of Japan’s Okinawa Island and a similar distance northeast of Taiwan.
    • Japan annexed the archipelago following China’s defeat in the first Sino-Japanese war from 1894 to 1895.
    • Yet the islands were left out of the Treaty of San Francisco at the end of the second world war that returned to China most of the territories previously occupied by Japan.
    • Under the terms of Japan’s surrender, the island chain was controlled by the US until 1971, when it was returned to Japan along with Okinawa and other surrounding islands.

    Why are the Islands so coveted?

    • The region appears to have great promise as a future oil province of the world.
    • Japan and China are among the world’s top importers of fossil fuels.
    • Abundant fishing resources are found nearby, as can important shipping lanes used by Japan, South Korea and China for energy imports.
    • The islands have also become a focal point of the broader rivalry between the two countries.

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  • Modern Indian History-Events and Personalities

    Sukapha: The founder of Ahom kingdom

    Prelims OnlyStates | History | Mains Paper 1: Arts & Culture

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Ahom Kingdom

    Mains level: Not Much

    Recently, Assam CM ordered the arrest of a political commentator who had described Chaolung Sukapha as a “Chinese invader”.

    Practice question for mains:

    Q. Who are the Ahoms? Describe the role of Ahom Kingdom in cultural assimilation of modern-day Assam.

    Who was Chaolung Sukapha?

    • Sukapha was a 13th-century ruler who founded the Ahom kingdom that ruled Assam for six centuries. Contemporary scholars trace his roots to Burma.
    • He reached Brahmaputra valley in Assam from upper Burma in the 13th century with around 9,000 followers.
    • Sukapha is said to have left a place called Maulung ( in Yunnan, China ) in AD 1215 with eight nobles and 9,000 men, women and children — mostly men.
    • In 1235, Sukapha and his people settled in Charaideo in upper Assam after wandering about for years, defeating those who protested his advance and temporarily staying at different locations.
    • It was in Charaideo (in Assam) that Sukapha established his first small principality, sowing the seeds of further expansion of the Ahom kingdom.

    Who are the Ahoms today?

    • The founders of the Ahom kingdom had their own language and followed their own religion.
    • Over the centuries, the Ahoms accepted the Hindu religion and the Assamese language, scholars say.
    • The Ahoms embraced the language, religion and rituals of the communities living here — they did not impose theirs on those living here.
    • Today, the Ahom community is estimated to number between 4 million and 5 million.

    Why is Sukapha important in Assamese culture?

    • Sukapha’s significance — especially in today’s Assam — lies in his successful efforts towards the assimilation of different communities and tribes.
    • He developed very amicable relationships with the tribal communities living here — especially the Sutias, the Morans and the Kacharis.
    • Intermarriage also increased assimilation processes. He is widely referred to as the architect of “Bor Asom” or “greater Assam”.

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  • Global Geological And Climatic Events

    ‘Ring of Fire’ Solar Eclipse

    Prelims Only | Enviro & Biodiversity | Mains Paper 1: Geographical Features & Their Location

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Solar Eclipse and related terms, Summer Solstice

    Mains level: Not Much

    A rare celestial event, an annular solar eclipse popularly called as the ‘ring of fire’ eclipse, will be visible on June 21, 2020 from some parts of Northern India. The first solar eclipse of this year takes place on the summer solstice, which is the longest day in the Northern Hemisphere.

    Try this question from CSP 2019:

    Q. On 21st June, the Sun

    (a) Does not set below the horizon at the Arctic Circle

    (b) Does not set below the horizon at Antarctic Circle

    (c) Shines vertically overhead at noon on the Equator

    (d) Shines vertically overhead at the Tropic of Capricorn

    What is the Solar Eclipse?

    • A Solar Eclipse happens when the moon while orbiting the Earth comes in between the sun and the Earth, due to which the moon blocks the sun’s light from reaching the Earth, causing an eclipse of the sun or a solar eclipse.
    • According to NASA, people who are able to view the total solar eclipse are in the centre of the moon’s shadow as and when it hits the Earth.
    • There are three types of eclipses: one is a total solar eclipse, which is visible only from a small area on Earth. A total solar eclipse happens when the sun, moon and Earth are in a direct line.
    • The second type of a solar eclipse is a partial solar, in which the shadow of the moon appears on a small part of the sun.

    Annular Solar Eclipse

    • The third kind is an annular solar eclipse, which happens when the moon is farthest from the Earth, which is why it seems smaller.
    • In this type of an eclipse, the moon does not block the sun completely, but looks like a “dark disk on top of a larger sun-coloured disk” forming a “ring of fire”.
    • Furthermore, during a solar eclipse, the moon casts two shadows on the Earth; the first one is called the umbra, which gets smaller as it reaches the Earth.
    • The second one is called the penumbra, which gets larger as it reaches the Earth.
    • According to NASA, people standing in the umbra see a total eclipse and those standing in the penumbra see a partial eclipse.

    Why the study of solar eclipse is crucial?

    • One of the reasons that NASA studies solar eclipses is to study the top layer of the sun called the corona.
    • During an annular eclipse, NASA uses ground and space instruments to view this top layer when the sun’s glare is blocked by the moon.

    Back2Basics: Summer Solstice

    • The summer solstice occurs when one of the Earth’s poles has its maximum tilt toward the Sun.
    • It happens twice yearly, once in each hemisphere (Northern and Southern).
    • For that hemisphere, the summer solstice is when the Sun reaches its highest position in the sky and is the day with the longest period of daylight.
    • Within the Arctic circle (for the northern hemisphere) or Antarctic circle (for the southern hemisphere), there is continuous daylight around the summer solstice.
    • On the summer solstice, Earth’s maximum axial tilt toward the Sun is 23.44°. Likewise, the Sun’s declination from the celestial equator is 23.44°.

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  • Historical and Archaeological Findings in News

    Kodumanal Megalithic Burial Site

    Prelims Only | History | Mains Paper 1: Arts & Culture

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Megaliths

    Mains level: Not Much

    The Kodumanal excavation in Erode Dist. of Tamil Nadu has threw light on burial rituals and the concept of afterlife in megalithic culture.

    Must read:

    Chapter 1 | Stone Age – Paleolithic, Mesolithic and Neolithic

    About these sites

    • The researchers have identified 250 cairn-circles at the village in Erode district.
    • Earlier excavations revealed that the site served as a trade-cum-industrial centre from 5th century BCE to 1st century BCE.
    • The rectangular chambered cists, each two metres long and six metres wide, are made of stone slabs, and the entire grave is surrounded by boulders that form a circle.
    • The grave could be of a village head or the head of the community as the size of two boulders, each facing east and west, are bigger than other boulders.
    • Believing that the deceased person will get a new life after death, pots and bowls filled with grains were placed outside the chambers.

    What are Megaliths?

    • Megaliths are the earliest surviving man-made monuments we know of—derived from the Latin mega (large) and lith (stone).
    • Megaliths were constructed either as burial sites or commemorative (non-sepulchral) memorials.
    • The former are sites with actual burial remains, such as dolmenoid cists (box-shaped stone burial chambers), cairn circles (stone circles with defined peripheries) and capstones (distinctive mushroom-shaped burial chambers found mainly in Kerala).
    • The urn or the sarcophagus containing the mortal remains was usually made of terracotta.
    • Non-sepulchral megaliths include memorial sites such as menhirs. (The line separating the two is a bit blurry, since remains have been discovered underneath otherwise non-sepulchral sites, and vice versa.)
    • In India, archaeologists trace the majority of the megaliths to the Iron Age (1500 BC to 500 BC), though some sites precede the Iron Age, extending up to 2000 BC.

    Megaliths in India

    • Megaliths are spread across the Indian subcontinent, though the bulk of them are found in peninsular India, concentrated in the states of Maharashtra (mainly in Vidarbha), Karnataka, Tamil Nadu, Kerala, Andhra Pradesh and Telangana.
    • According to archaeologists around 2,200 megalithic sites can be found in peninsular India itself, most of them unexcavated.
    • Even today, a living megalithic culture endures among some tribes such as the Gonds of central India and the Khasis of Meghalaya.

    Literary sources

    • Megalithic culture finds several references in ancient Tamil Sangam literature. For instance, menhirs are referred to as nadukal.
    • Ancient Sangam texts lay out, in detail, a step-by-step procedure for laying a memorial stone or nadukal in honour of a fallen hero.
    • Manimekalai (5th century AD), the famous Sangam epic, refers to the various kinds of burials namely cremation (cuṭuvōr), post excarnation burial (iṭuvōr), burying the deceased in a pit (toṭukuḻip paṭuvōr), rock chamber or cist burial (tāḻvāyiṉ aṭaippōr), urn burial encapped with lid (tāḻiyiṟ kavippōr).
    • Even in the Sangam age (when kingship and a well-ordained society had emerged) the above modes of burials survived.

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  • Festivals, Dances, Theatre, Literature, Art in News

    What is Axone?

    Prelims Only | History | Mains Paper 1: Arts & Culture

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Axone

    Mains level: NA

    A movie named Axone — also spelt akhuni —soya bean dish of Nagaland has been recently released.

    The traditional ‘Axone’ dish is very unique in itself. However, one must note that it does NOT carry any GI tag. Still, there is a possibility of it being asked in match the pair type questions.

    What is Axone?

    • Axone — also spelt akhuni — is a fermented soya bean of Nagaland, known for its distinctive flavour and smell.
    • As much an ingredient as it is a condiment, Axone used to make pickles and chutneys, or curries of pork, fish, chicken, beef etc.
    • While it is called ‘axone’ in parts of Nagaland, fermented soya bean is cooked with, eaten and known by different names in different parts of Northeast India, including Meghalaya and Mizoram, Sikkim, Manipur as well in other South, Southeast and East Asian countries.
    • Axone is prepared and eaten across Nagaland but is particularly popular among the Sumi (also Sema) tribe. They use it in every meal.

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  • Animal Husbandry, Dairy & Fisheries Sector – Pashudhan Sanjivani, E- Pashudhan Haat, etc

    Species in news: Hilsa Fish

    Prelims OnlySpecies | Enviro & Biodiversity | Mains Paper 3: Conservation, Environmental Pollution & Degradation, Eia

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Hilsa Fish`

    Mains level: NA

    Fishermen in West Bengal are in for a pleasant surprise amid the COVID-19 gloom as they have exuded hope of a bumper yield of Hilsa, known as “maacher rani” (queen of fish).

    Try this question from CSP 2019:

    Q. Consider the following pairs:

    Wildlife Naturally found in
    1. Blue-finned Mahseer Cauvery River
    2. Irrawaddy Dolphin Chambal River
    3. Rusty-spotted Cat Eastern Ghats

    Which of the pairs given above are correctly matched?

    a) 1 and 2 only

    b) 2 and 3 only

    c) 1 and 3 only

    d) 1, 2 and 3

    Hilsa Fish

    IUCN status: Least Concerned

    • The Hilsa is a species of fish related to the herring, in the family Clupeidae.
    • It is a very popular and sought-after food fish in the Indian Subcontinent.
    • It is the national fish of Bangladesh and state symbol in the Indian states of West Bengal and Tripura.
    • The fish contributes about 12% of the total fish production and about 1.15% of GDP in Bangladesh.

    What’s so special about Hilsa?

    • Hilsa has a history of migrating to Allahabad in the Ganga river system from Bangladesh.
    • Though it’s a saltwater fish, it migrates to sweet waters of the Ganges from the Bay of Bengal.
    • It travels upstream of the river during the mating seasons and returns to its natural abode after spawning.

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  • Festivals, Dances, Theatre, Literature, Art in News

    Traditional art of Talamaddale

    Prelims Only | History | Mains Paper 1: Arts & Culture

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Yakshagana, Talamaddale

    Mains level: NA

    The traditional art of ‘Talamaddale’, a variant of Yakshagana theatre, has gone virtual in times of COVID-19.

    Try this question from CSP 2017:

    Q.With reference to Manipuri Sankirtana, consider the following statements:

    1. It is a song and dance performance.
    2. Cymbals are the only musical instruments used in the performance.
    3. It is performed to narrate the life and deeds of Lord Krishna.

    Which of the statements given above is/are correct?

    (a) 1, 2 and 3.

    (b) 1 and 3 only

    (c) 2 and 3 only

    (d) 1 only

    Talamaddale theatre

    • Tala-Maddale is an ancient form of performance dialogue or debate performance in Southern India in the Karavali and Malnad regions of Karnataka and Kerala.
    • The plot and content of the conversation is drawn from popular mythology but the performance mainly consists of an impromptu debate between characters involving sarcasm, puns, philosophy positions and humour.
    • The main plot is sung from the same oral texts used for the Yakshgana form of dance- drama.
    • Performers claim that this was a more intellectual rendition of the dance during the monsoon season.

    How it is different from Yakshagana?

    • Unlike the Yakshagana performance, in the conventional ‘talamaddale,’ the artists sit across in a place without any costumes and engage in testing their oratory skills based on the episode chosen.
    • If music is common for both Yakshagana performance and ‘talamaddale’, the latter has only spoken word without any dance or costumes.
    • Hence it is an art form minus dance, costumes and stage conventions.
    • It has an ‘arthadhari’ who is an orator, a ‘bhagavatha’ (singer-cum-director), and a ‘maddale’ player.

    Back2Basics: Yakshagana

    • It is the oldest theatre form popular in Karnataka.
    • It emerged in the Vijayanagara Empire and was performed by Jakkula Varu
    • It is a descriptive dance drama.
    • It is presented from dusk to dawn.
    • The stories are drawn from Ramayana, Mahabharata and other epics from both Hindu and Jain tradition.

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  • Wildlife Conservation Efforts

    Species in news: Pangolin

    Prelims Only | Enviro & Biodiversity | Mains Paper 3: Conservation, Environmental Pollution & Degradation, Eia

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Pangolin

    Mains level: Illict wildlife trade and its prevention

    China accorded the pangolin the highest level of protection and removed the scales of the endangered mammal from its list of approved traditional medicines amid links between wild meat and the transmission of the SARS-CoV-2 virus.

    Practice question for mains:

    Q. What are Zoonotic Diseases? Discuss the hazards of importing zoonotic diseases through wildlife trade.

    About Pangolin

    IUCN status: Endangered

    • India is home to two species of pangolin.
    • While the Chinese Pangolin (Manis pentadactyla) is found in northeastern India, the Indian Pangolin is distributed in other parts of the country as well as Sri Lanka, Bangladesh and Pakistan.
    • Both these species are protected and are listed under the Schedule I Part I of the Wild Life (Protection) Act, 1972 and under Appendix I of the Convention on International Trade in Endangered Species (CITES).
    • Commonly known as ‘scaly anteaters’, the toothless animals are unique, a result of millions of years of evolution.
    • Pangolins evolved scales as a means of protection. When threatened by big carnivores like lions or tigers they usually curl into a ball.
    • The scales defend them against dental attacks from the predators.

    Pangolin in China

    • Pangolin meat is considered a delicacy in China and Vietnam.
    • Their scales which are made of keratin, the same protein present in human nails — are believed to improve lactation, promote blood circulation, and remove blood stasis.
    • These so-called health benefits are so far unproven.

    What makes pangolins the most trafficked animals in the world?

    • Their alleged health benefits in traditional Chinese medicines prompted a booming illicit export of scales from Africa over the past decade.
    • Officials quote trafficking price of Pangolin and its scale anywhere between Rs 30,000 and Rs 1 crore for a single animal.
    • Conservation of pangolins received its first shot in the arm when the 2017 Convention on International Trade in Endangered Species (CITES) enforced an international trade ban.

    How will China’s decision impact pangolin trafficking?

    • The immediate impact would be pangolin scales losing their legitimacy in traditional Chinese medicines. However, the history of the ban on wildlife trade in China is not encouraging.
    • The continued availability of tiger bone wine — believed to cure a host of conditions ranging from dysentery to rheumatism — despite its ban on tiger products in 1993. The price of elephant ivory plummeted by two-thirds after China banned it.
    • India, where the trade largely remains local, has been registering a decline from before China’s ban.
    • The trade-in pangolin scales are already showing a decreasing trend in India and the only trade is the trade-in live animals by unorganised traders, who ask for a few crores for each live animal.

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  • International Space Agencies – Missions and Discoveries

    What is the Bose-Einstein Condensate (BEC)?

    Prelims Only | Science Tech | Mains Paper 3: Awareness in various sc and tech fields

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: BECs

    Mains level: Various properties of BECs

    Scientists have observed the fifth state of matter in space for the first time, offering unprecedented insight that could help solve some of the quantum universe’s most intractable conundrums.

    Try this question from CSP 2018

    Q. Consider the following phenomena:

    1. Light is affected by gravity.
    2. The Universe is constantly expanding.
    3. Matter warps its surrounding space-time.

    Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity, often discussed in media?

    (a) 1 and 2 only

    (b) 3 only

    (c) 1 and 3 only

    (d) 1, 2 and 3

    Bose-Einstein condensates (BECs)

    • Bose-Einstein condensates (BECs) — the existence of which was predicted by Albert Einstein and Indian mathematician Satyendra Nath Bose almost a century ago — are formed when atoms of certain elements are cooled to near absolute zero (0 Kelvin, minus 273.15 Celsius).
    • At this point, the atoms become a single entity with quantum properties, wherein each particle also functions as a wave of matter.
    • BECs straddle the line between the macroscopic world governed by forces such as gravity and the microscopic plane, ruled by quantum mechanics.

    Why are BECs important?

    • Scientists believe BECs contain vital clues to mysterious phenomena such as dark energy — the unknown energy thought to be behind the Universe’s accelerating expansion.
    • But BECs are extremely fragile. The slightest interaction with the external world is enough to warm them past their condensation threshold.
    • This makes them nearly impossible for scientists to study on Earth, where gravity interferes with the magnetic fields required to hold them in place for observation.

    Studying BECs

    • NASA scientists unveiled the first results from BEC experiments aboard the International Space Station (ISS), where particles can be manipulated free from Earthly constraints.
    • The microgravity onboard the ISS allowed them to create BECs from rubidium — a soft metal similar to potassium — on a far shallower trap than on Earth.
    • Microgravity at ISS allows confining atoms with much weaker forces. Microgravity also allowed the atoms to be manipulated by weaker magnetic fields, speeding their cooling and allowing clearer imaging.
    • Creating the fifth state of matter, especially within the physical confines of a space station, is no mean feat for NASA.

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