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Type: Prelims Only

  • Modern Indian History-Events and Personalities

    Pyramid of Djoser

    11 March 2020 | Prelims Only |
    Mains Paper 1: GS1-01.Indian Culture- Salient aspects of Art Forms, Literature and Architecture from ancient to modern times.

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Pyramid of Djoser

    Mains level: NA

     

     

    Last week, Egypt reopened the Pyramid of Djoser, the first pyramid ever built, after a 14-year restoration. The structure is believed to be designed by Imhotep, described by some as the first architect of the world.

    The Pyramid of Djoser

    • The 4,700-year-old pyramid is 60 metres tall, and consists of six stacked steps over a burial shaft tomb 28 metres deep and seven metres wide.
    • It is located at the Saqqara archaeological site, 24 km southwest of Cairo, outside the royal capital of Memphis. A complex of halls and courts is located around the pyramid.
    • It is the world’s oldest monumental stone building.
    • Today a UNESCO world heritage site, the pyramid was constructed during the era of Pharaoh Djoser, the second king of Ancient Egypt’s Third Dynasty (2650 BC– 2575 BC).
    • The Pharaoh’s 19-year reign saw significant technical innovations in stone architecture.
    • The pyramid’s architect, Imhotep, was also a physician and astrologer, and served as Djoser’s minister.

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  • Wildlife Conservation Efforts

    Species in news: Red Panda

    9 March 2020 | Prelims OnlySpecies | Environment
    Mains Paper 3: GS3-18.Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: SAWEN, TRAFFIC, Red Panda

    Mains level: Not Much

     

     

    According to a report by the TRAFFIC report, there has been a considerable reduction in the poaching of Red Panda (ailurus fulgens). The report also recommended trans-boundary law enforcement co-operation through the use of multi-government platforms like SAWEN (South Asia Wildlife Enforcement Network).

    Red Panda

    IUCN Red List Status: Endangered

    • The red panda (Ailurus fulgens) is a mammal native to the eastern Himalayas and southwestern China.
    • Its wild population is estimated at fewer than 10,000 mature individuals and continues to decline due to habitat loss and fragmentation, poaching, and inbreeding depression.
    • Despite its name, it is not closely related to the giant panda
    • The animal has been hunted for meat and fur, besides illegal capture for the pet trade.
    • An estimated 14,500 animals are left in the wild across Nepal, Bhutan, India, China and Myanmar.
    • About 5,000-6,000 red pandas are estimated to be present in four Indian states – Arunachal Pradesh, Meghalaya, Sikkim and West Bengal.
    • The diminishing habitat is a major threat to the species which is a very selective feeder and survives on selected species of bamboos.

    About South Asia Wildlife Enforcement Network (SAWEN)

    • SAWEN is a Regional network is comprised of eight countries in South Asia: Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan and Sri Lanka.
    • It aims at working as a strong regional intergovernmental body for combating wildlife crime by attempting common goals and approaches for combating illegal trade in the region.
    • The South Asia region is very vulnerable to illegal traffic and wildlife crimes due to the presence of precious biodiversity and large markets as well as traffic routes for wildlife products in the south East Asian region.
    • The collaboration in harmonizing as well as enforcing the wildlife protection in the region is considered very important for effective conservation of such precious biodiversity.
    • India adopted the Statute of the SAWEN and became its formal member in 2016.

    Back2Basics

    TRAFFIC

    • The TRAFFIC, the Wildlife Trade Monitoring Network, is a leading non-governmental organisation working on wildlife trade in the context of both biodiversity conservation and sustainable development.
    • It is a joint program of World Wildlife Fund (WWF) and the IUCN.
    • It aims to ensure that trade in wild plants and animals is not a threat to the conservation of nature.
    • The TRAFFIC is governed by the TRAFFIC Committee, a steering group composed of members of TRAFFIC’s partner organizations, WWF and IUCN.
    • TRAFFIC also works in close co-operation with the Secretariat of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES).

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  • Modern Indian History-Events and Personalities

    Who were the Marakkars?

    9 March 2020 | Prelims Only |
    Mains Paper 1: GS1-02.Modern Indian History- Mid-18th century – Present (significant events, personalities, issues);

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Marakkars

    Mains level: Various conquests during colonial expansion

    The big-budget Malayalam film Marakkar: The Lion of the Arabian Sea is set to be released. It is a war film depicting the heroics of the Marakkar clan, whose leaders were naval chieftains of the Zamorin of Calicut during the 16th and 17th centuries.

    Who were the Marakkars?

    • By some accounts, they were of Arab origin and had migrated from Tunisia to Panthalayani near Koyilandy in present-day Kozhikode, and later moved to the region around present-day Kottakkal and Thikkodi near Payyoli.
    • By other accounts, the Marakkars were descendants of affluent businessman from the Cochin kingdom who migrated later to Calicut.
    • Historians say the name ‘Marakkar’ could have originated from maram or marakkalam, meaning ship, as these families lived along the coast and used ships.
    • Alternatively, it could have originated from the Arabic word markaba, meaning those who migrated via ships.
    • The Marakkars were mostly Muslims, but in some parts, they have been found to be Hindus as well.

    What was the war against the Portuguese about?

    • The Zamorin, Samoothiri in Malayalam, was the title given to rulers of the Calicut kingdom on the Malabar coast.
    • Faced with invading Portuguese ships, the Zamorin reached out to the Marakkars to defend the coast. The Marakkars fought against Portuguese invaders for nearly a century.
    • They were led in succession by four Marakkars, chief admirals who were appointed by the Zamorin with the title of Kunjali.
    • Related by bloodline, they were Kuttyali Marakkar (Kunjali Marakkar I, appointed in 1507), Kutty Pokker (Kunjali Marakkar II), Pathu Marakkar (Kunjali Marakkar III) and Muhammad Ali Marakkar (Kunjali Marakkar IV, appointed in 1595).
    • Their strategy was similar to guerrilla warfare. The Portuguese had massive ships which could not make easy manoeuvres in the sea.
    • The Marakkars used small ships which could easily surround the Portuguese ships, enabling the fighters to attack at will.

    Who is depicted the ‘Lion of the Arabian Sea’?

    • Kunjali Marakkar IV earned his reputation with his fierce onslaught on Portuguese ships, the favours he gave those who fought against the Portuguese, and his efforts to strengthen the fort at Kottakkal.
    • When he took charge in 1595, relations between the Zamorin and the Marakkars were deteriorating.
    • The Zamorin was feeling threatened by Kunjali Marakkar IV’s popularity, and by reports (said to be spread by the Portuguese) that he was planning to create a Muslim empire.
    • In 1597, the Zamorin signed a peace treaty with the Portuguese and attacked Kottakkal fort. For months, the Marakkars resisted the attack by the Zamorin’s Nair soldiers and the Portuguese fleet.
    • Eventually, as Portugal sent more forces and the Zamorin mounted his effort, Marakkar surrendered to the Zamorin on the assurance that their lives would be spared. But the Portuguese violated the terms, arrested him, took him to Goa and beheaded him.

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  • Zoonotic Diseases: Medical Sciences Involved & Preventive Measures

    N95 Mask

    7 March 2020 | Prelims Only | Science and Technology
    Mains Paper 3: GS3-17.Awareness in the fields of IT, Space, Computers, Robotics, Nano-technology, Bio-technology and issues relating to Intellectual Property Rights.

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: N95 Masks

    Mains level: Coronovirus outbreak

    In a new mandate to curb unnecessary demand, the Maharashtra Food and Drug Administration said that chemists cannot sell N95 masks without a doctor’s prescription. The FDA also warned that serious action would be taken against those who are found selling masks at high prices or hoarding them.

    Why such a move?

    • Personal Protective Equipment (PPE) kits and N95 masks are being sold at very high prices in medical shops. The State has received many complaints about the same.
    • It has also been found that many are making bulk purchases and hording PPE kits and N95 masks.
    • Since the COVID-19 outbreak in China, shortage of PPE gear and masks has been reported from across the world.
    • While the Indian government has currently banned exports of N95 masks, the manufacturers are focussed on making other surgical marks to get good returns from exports.

    N95 mask

    • A disposable N95 mask (respirator) is a safety device that covers the nose and mouth and helps protect the wearer from breathing in some hazardous substances.
    • An N95 respirator is designed to achieve a very close facial fit and very efficient filtration of airborne particles.
    • The ‘N95’ designation means that when subjected to careful testing, the respirator blocks at least 95 percent of very small (0.3 micron) test particles.
    • If properly fitted, the filtration capabilities of N95 respirators exceed those of face masks. However, even a properly fitted N95 respirator does not completely eliminate the risk of illness or death.

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  • Modern Indian History-Events and Personalities

    Persons in news: Rajkumari Amrit Kaur

    7 March 2020 | Prelims Only |
    Mains Paper 1: GS1-02.Modern Indian History- Mid-18th century – Present (significant events, personalities, issues);

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Amrit Kaur

    Mains level: Not Much

     

     

    Former PM Indira Gandhi and freedom fighter Rajkumari Amrit Kaur are mentioned in TIME magazine’s list of the 100 most powerful women who defined the last century in a new project that aims to feature those women who were “often overshadowed”.

    Who was Amrit Kaur?

    • Amrit Kaur was the first woman in independent India who joined the Cabinet as the Health Minister and remained in that position for 10 years.
    • Born into the Kapurthala royal family, she was educated in Oxford and returned to India in 1918, and began to be drawn towards the work and teachings of MK Gandhi.

    Her contributions

    • Before taking up the position of a Health Minister, Kaur was Mahatma Gandhi’s secretary.
    • During these 10 years, she founded the Indian Council for Child Welfare.
    • She also laid the foundation of the All India Institute of Medical Sciences (AIIMS) and Lady Irwin College in Delhi in the following years.
    • Apart from joining the nationalist freedom struggle, Kaur also began work on a number of other social and political issues such as the purdah system, child marriage and the Devadasi system.
    • She passed away in 1964, at the age of 75.

    Role in the freedom struggle

    • In 1936, hoping that more women would join the freedom struggle, Gandhiji invited her.
    • In the following years, as Kaur started interacting with other freedom fighters such as Gopal Krishna Gokhale and Mahatma Gandhi, she gave up her princely comforts and began to discipline herself by responding to the Gandhian call.
    • When the civil disobedience movement took off in the 1930s, Kaur dedicated her life to it.
    • Kaur was jailed after the Quit India movement and carried to the jail a spinning wheel, the Bhagwat Gita and the Bible.
    • Further, while Kaur advocated for equality, she was not in favour of reservations for women and believed that universal adult franchise would open the doors for women to enter into the legislative and administrative institutions of the country.
    • In light of this, she believed that there was no place left for reservation of seats.

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  • Gairsain as new summer capital of Uttarakhand

    6 March 2020 | Prelims OnlyStates | Polity
    Mains Paper 2: Federalism

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Gairsain

    Mains level: Two/Three capitals concept

     

     

    Uttarakhand govt names Gairsain as the new summer capital of the state.

    Gairsain

    • Gairsain is situated at the eastern edge of the vast Dudhatoli mountain range, located almost at the centre of the state, at a distance of approximately 250 kilometres from Dehradun.
    • It is easily accessible from both the Garhwal and the Kumaon divisions, and in a way, acts as the bridge between the two regions.
    • Uttarakhand was carved out as a separate state from Uttar Pradesh in 1998.
    • Gairsain was best suited to be the capital of the mountainous state as it was a hilly region falling on the border of Kumaon and Garhwal regions.
    • But it was Dehradun, located in the plains that served as the temporary capital.
    • With the fresh announcement, there is no clarity on either the city’s current status or a new winter capital.
    • The state Assembly is located in Dehradun, but sessions are held in Gairsain as well.

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  • International Space Agencies – Missions and Discoveries

    NASA’s new Mars rover: Perseverance

    6 March 2020 | Prelims Only | Science and Technology
    Mains Paper 3: GS3-17.Awareness in the fields of IT, Space, Computers, Robotics, Nano-technology, Bio-technology and issues relating to Intellectual Property Rights.

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Perseverance rover

    Mains level: Not Much

    NASA has named its next Mars rover ‘Perseverence’.

    About Perseverance

    • The Perseverance rover weighs less than 2,300 pounds and is managed by NASA’s Jet Propulsion Lab.
    • The rover’s mission will be to search for signs of past microbial life. It will also collect samples of Martian rocks and dust, according to the release.
    • The rover will also be tasked with studying the red planet’s geology and climate.
    • All of NASA’s previous Mars rovers — including the Sojourner (1997), Spirit and Opportunity (2004) and Curiosity (exploring Mars since 2012) — were named in this way.

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  • Modern Indian History-Events and Personalities

    Biju Patnaik: The flying ace who helped Indian and foreign freedom movements 

    5 March 2020 | Prelims Only |
    Mains Paper 1: GS1-02.Modern Indian History- Mid-18th century – Present (significant events, personalities, issues);

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Biju Patnaik

    Mains level: Not Much

     

     

    Recently, 104th birth anniversary of former Odisha chief minister Biju Patnaik was celebrated. He was a decorated freedom fighter. PM tweeted an Intelligence Bureau document from 1945 to show how Patnaik bravely lent his flying skills to rescue freedom fighters like Ram Manohar Lohia.

    Biju Pattnaik

    • Bijayananda Patnaik (1916-1997), popularly known as Biju Patnaik, was an Indian politician, aviator and businessman. As politician, he served twice as the Chief Minister of the State of Odisha.
    • It is well known that Biju Patnaik actively helped freedom fighters in the 1940s.
    • His daring was evident as he actively joined the Quit India movement in 1942 and collaborated with the underground leaders like Jayaprakash Narayan, Aruna Asif Ali and Dr. Ram Manohar Lohia, even while in the British service.
    • Patnaik was imprisoned by the British Government for three years later.

    Role in foreign freedom struggles

    • As an officer in the Royal Indian Air Force in the early 1940s, Patnaik flew innumerable sorties to rescue British families fleeing the Japanese advance on Rangoon, the capital of Burma.
    • He also dropped arms and supplies to Chinese troops fighting the Japanese and later to the Soviet army struggling against Hitler’s onslaught near Stalingrad.
    • On the 50th anniversary of the end of the war, Patnaik was honoured by the Russians for his help,” the obit noted.
    • Interestingly, Nehru entrusted Patnaik with rescuing Indonesian resistance fighters who were fighting their Dutch colonisers.
    • Accompanied by wife Gyanwati, “the lanky pilot flew an old Dakota aircraft to Singapore en route to Jakarta where the rebels were entrenched” in 1948.
    • Dodging the Dutch guns, he entered Indonesian airspace and landed on an improvised airstrip near Jakarta.
    • Using left-over fuel from abandoned Japanese military dumps, Patnaik took off with prominent rebels, including Sultan Shariyar and Achmad Sukarno, for a secret meeting with Nehru at New Delhi.

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  • Innovations in Sciences, IT, Computers, Robotics and Nanotechnology

    Media Access Control (MAC) Binding

    5 March 2020 | Prelims Only | Science and Technology
    Mains Paper 3: GS3-17.Awareness in the fields of IT, Space, Computers, Robotics, Nano-technology, Bio-technology and issues relating to Intellectual Property Rights.

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Media Access Control (MAC) Binding

    Mains level: Internet shutdown as an infringement of FR

    After seven months, the use of social media was allowed in Jammu and Kashmir with an order laying down the latest rules for the use of the Internet in the UT.  Among various conditions, the order says Internet connectivity will be made available “with mac-binding”.

    What is Mac-binding?

    • Every device has a Media Access Control (MAC) address, a hardware identification number that is unique to it. While accessing the Internet, every device is assigned an IP address.
    • Mac-binding essentially means binding together the MAC and IP addresses, so that all requests from that IP address are served only by the computer having that particular MAC address.
    • In effect, it means that if the IP address or the MAC address changes, the device can no longer access the Internet.
    • Also, monitoring authorities can trace the specific system from which a particular online activity was carried out.

    Permitted connections

    • The Internet can be accessed on all postpaid devices, and those using Local Area Networks (LAN).
    • While the postpaid SIM card holders shall continue to be provided access to the Internet, these services shall not be made available on prepaid SIM cards unless verified as per the norms applicable for postpaid connections.
    • Apart from this, special access terminals provided by the government will continue to run.
    • It is further directed that the access/communication facilities provided by the government, viz. e-terminals/Internet kiosks apart from special arrangements for tourists, students, traders etc shall continue.

    Only 2G permitted

    • Internet speed in J&K is still restricted to 2G.
    • This means very slow services — pictures will take a long time to be sent or downloaded, videos will be nearly impossible to share, and there will be a long loading time for most websites.
    • It also means that although in theory, the “whitelist system” — where people could only access some websites pre-approved by the government — has been removed, some sites designed for a 4G Internet experience will hardly work.

    Have curbs been lifted?

    • Not exactly. The latest order is to remain in force till March 17 unless modified earlier.
    • The government has been relaxing Internet and phone usage in the UTs in phases.

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  • Innovations in Biotechnology and Medical Sciences

    Unguarded X hypothesis

    5 March 2020 | Prelims Only | Science and Technology
    Mains Paper 3: GS3-17.Awareness in the fields of IT, Space, Computers, Robotics, Nano-technology, Bio-technology and issues relating to Intellectual Property Rights.

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Unguarded X hypothesis, Chromosomes

    Mains level: NA

    Men outnumbered women by 37 million in the 2011 Census of India, but among those over the age of 60, there were more than 1 million more women than men. In general, men live shorter lives than women worldwide. This is due to the chromosomal differences between the two, points’ new study.

    What are Chromosomes?

    • The human body is made up of cells, and in the centre of each cell is the nucleus. Chromosomes, which are located inside the nucleus, are structures that hold the genes.
    • It is the genes that determine the various traits of an individual including eye colour, blood type — and sex.
    • The human cell has 23 pairs of chromosomes. One pair is of the sex chromosomes, named X and Y, which determine whether an individual is male or female.
    • A female has two X chromosomes (XX) while a male has one X and one Y (XY).

    Unguarded X hypothesis

    • This hypothesis suggests that the Y chromosome in XY is less able to to protect an individual from harmful genes expressed on the X chromosome.
    • In a male, as the Y chromosome is smaller than the X chromosome, it is unable to “hide” an X chromosome that carries harmful mutations, which may later expose the individual to health threats.
    • On the other hand, the hypothesis goes, there is no such problem in a pair of X chromosomes (XX) in a female.
    • If one of the X chromosomes has genes that have suffered mutations, then the other X chromosome, which is healthy, can stand in for the first, so that the harmful genes are not expressed.
    • This maximizes the length of life, according to the hypothesis. And this is what the UNSW researchers set out to examine.

    Testing the hypothesis

    • In a statement issued by UNSW, PhD student and study first author Zoe Xirocostas said the
    • Unguarded X hypothesis appears to stack up, after examining the lifespan data available on a wide range of animal species.
    • Researchers studied lifespan data in not just primates but mammals and birds, but also reptiles, fish, amphibians, arachnids, cockroaches, grasshoppers, beetles, butterflies and moths among others.
    • It was found that across that broad range of species, the heterogametic sex (XY in humans) does tend to die earlier than the homogametic sex (XX in humans).

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