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Type: Prelims Only

  • Azad Pattan Hydel Project

    Pakistan and China have signed an agreement for the 700 MW Azad Pattan hydel power project on the Jhelum River in Sudhoti district of PoK.

    Try this question from CSP 2019:

    Q.What is common to the places known as Aliyar, Isapur and Kangsabati?

    (a) Recently discovered uranium deposits

    (b) Tropical rain forests

    (c) Underground cave systems

    (d) Water reservoirs

    Azad Pattan hydel project

    • The project is a run-of-the-river scheme with a reservoir located near Muslimabad village, 7 km upstream from the Azad Pattan bridge, in district Sudhnoti, one of the eight districts of PoK.
    • It is one of five hydropower schemes on the Jhelum.
    • Upstream from Azad Pattan are the Mahl, Kohala, and Chakothi Hattian projects; Karot is downstream. Like Kohala and Azad Pattan, Karot too is being developed under the CPEC framework.
    • The project will comprise a 90-metre-high dam, with a 3.8 sq km reservoir.
    • The $ 1.5-billion project is the second power project under the China Pakistan Economic Corridor (CPEC).

    Other projects in PoK

    • Kohala project is a 1,124 MW hydel project that will come upon the Jhelum near Muzaffarabad. This project is one of the biggest investments by China in PoK.
    • The Karot Hydropower station, the third project being executed by China on the Jhelum is on the boundaries of Kotli district in PoK and Rawalpindi district in Pakistan’s Punjab province.
    • Two hydel projects are planned in Gilgit Baltistan – Phandar Hydro Power, and Gilgit KIU.
    • Most recent in the news was Diamer-Bhasha dam in the PoK.

  • Google for India Digitization Fund (GIDF)

    Technology giant Google will invest $10 billion (₹75,000 crores) in India as part of the ‘Google for India Digitization Fund (GIDF)’.

    Practice question for mains:

    Q.Discuss the role of foreign investment in the digital transformation of India.

    About GIDF

    • The GIDF focuses on digitizing the economy and building India-first products and services.
    • The plan is in line with big-tech’s bullish outlook on India. Earlier this year, Amazon said it would invest an additional $1 billion in India.
    • This was followed by a marquee investment announcement of $5.7 billion by Facebook in the country’s largest telecom company Reliance Jio.
    • Last month, Microsoft’s venture fund M12 said it would open an office in India to pursue investment opportunities focusing on B2B software startups.

    Focus areas

    The investment will focus on four areas important to digitization including:

    • Enabling affordable access and information for every Indian in their own language,
    • Building products and services that are deeply relevant to India’s unique needs,
    • Empowering businesses in their digital transformation journey and
    • Leveraging technology and AI for social good, in areas like health, education, and agriculture.

  • Afghanistan–Pakistan Transit Trade Agreement (APTTA)

    Pakistan has allowed Afghanistan to send goods to India using the Wagah border. The decision is a part of Islamabad’s commitment under the Afghanistan-Pakistan Transit Trade Agreement (APTTA).

    A statement based question can be asked upon the agreement on terms like:

    1. Reciprocal trade with India

    2. Railways/Road/Air transit whether allowed

    About the agreement

    • The APTTA is a bilateral trade agreement signed in 2010 by Pakistan and Afghanistan.
    • It calls for greater facilitation in the movement of goods amongst the two countries.
    • The 2010 agreement supersedes the 1965 Afghanistan Transit Trade Agreement, which granted Afghanistan the right to import duty-free goods through Pakistani seaports, mostly notably from Karachi.

    Features of the agreement

    • Trade-in goods smuggled into Pakistan once constituted a major source of revenue for Afghanistan.
    • The 2010 APTTA allows for both countries to use each other’s airports, railways, roads, and ports for transit trade along designated transit corridors.
    • The agreement does not cover road transport vehicles from any third country, be it from India or any Central Asia country.
    • However, the signed Agreement permits Afghanistan trucks access to the Wagah border with India, where Afghan goods will be offloaded onto Indian trucks.
    • This agreement does not permit Indian goods to be loaded onto trucks for transit back to Afghanistan.
    • Instead, Afghan trucks offloaded at Wagah may return to Afghanistan loaded only with Pakistani, rather than Indian goods in an attempt to prevent the formation of a black market for Indian goods in Pakistan.

  • Dehing Patkai WLS to be upgraded into National Park

    The Assam government has decided to upgrade Dehing Patkai Wildlife Sanctuary into a National Park.

    Try this question from CSP 2019:

    Which one of the following National Parks lies completely in the temperate alpine zone?

    (a) Manas National Park

    (b) Namdapha National Park

    (c) Neora Valley National Park

    (d) Valley of Flowers National Park

    Dehing Patkai WLS

    • Dehing Patkai WLS is located in the Dibrugarh and Tinsukia Districts of Assam and covers an area of 111.19 sq. km rainforest.
    • It is located in the Dehing Patkai landscape which is a dipterocarp-dominated lowland rainforest.
    • It spreads across the coal- and oil-rich districts of Upper Assam (Dibrugarh, Tinsukia and Sivasagar) and is believed to be the last remaining contiguous patch of lowland rainforest area in Assam.
    • The WLS due to their importance for elephant habitat was declared as Dehing-Patkai Elephant Reserve under Project Elephant.
    • Post upgradation, Dehing Patkai will be the sixth national park in Assam — the other five being Kaziranga, Nameri, Manas, Orang and Dibru-Saikhowa.

    Back2Basics:

    [Prelims Spotlight] National Parks, Biosphere Reserves, Wildlife Sanctuaries in India – Part 2

  • Mapping: Islands of Polynesia

    How did the Polynesian peoples come to live on the far-flung islands of the Pacific? The question has intrigued researchers for centuries.

    The newscard contains some trivial facts. However, aspirants are advised to observe the map.

    Study on Polynesia

    • Norwegian explorer Thor Heyerdahl brought the topic to public attention when he sailed a balsa-wood raft called the Kon-Tiki from Peru to Polynesia in 1947.
    • His goal was to demonstrate such voyages were possible, supporting theories linking Polynesian origins to the Americas.
    • Decades of research in archaeology, linguistics and genetics now show that Polynesian origins lie to the west, ultimately in the islands of Southeast Asia.

    New evidence for American interlopers

    • A new study published in Nature reports genetic evidence of Native American ancestry in several Polynesian populations.
    • Other researchers have previously found evidence of indigenous American DNA in the genomes of the modern inhabitants of Rapa Nui.
    • Rapa Nui, also known as Easter Island, is the part of Polynesia closest to South America.
    • This suggests the “Amerindian” genetic component was likely introduced later via Chilean colonists.

  • Mapping: Mont Blanc

    The melting Mont Blanc glacier in the French Alps yielded a clutch of newspapers with banner headlines from when Indira Gandhi became India’s first and so far only woman Prime Minister in 1966.

    Try this MCQ

    Q.The Mont Blanc in the Alps can be located near the conflux of which of the following two countries?

    a)France and Spain

    b)France and Italy

    c)Spain and Italy

    d)Greece and Slovenia

    Mont Blanc

    • Mont Blanc is the second-highest mountain in Europe after Mount Elbrus. It is the highest mountain in the Alps and Western Europe.
    • It rises 4,808 m above sea level and is ranked 11th in the world in topographic prominence.
    • The mountain stands in a range called the Graian Alps, between the regions of Aosta Valley, Italy, and Savoie and Haute-Savoie, France.
    • It is the tallest peak in the Alps and the highest summit in Western Europe, hence its epithet the “Roof of Europe”.

  • What is T Cells Immunity?

    A recent study has shown that people unexposed to and not infected with novel coronavirus may still exhibit T cell responses specific to this virus. It is thought that Coronavirus specific T cell responses seen in healthy people might arise from memory T cells derived from exposure to ‘common cold’ coronaviruses.

    Try this question from CSP 2010:

    Q. Widespread resistance of malaria parasite to drugs like chloroquine has prompted attempts to develop a malaria vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?

    (a) Malaria is caused by several species of Plasmodium

    (b) Man does not develop immunity to malaria during natural infection

    (c) Vaccines can be developed only against bacteria

    (d) Man is only an intermediate host and not the definitive host

    What are T Cells?

    • T Cells also called T lymphocyte, type of leukocyte (white blood cell) that is an essential part of the immune system.
    • T cells are one of two primary types of lymphocytes—B cells being the second type—that determine the specificity of the immune response to antigens (foreign substances) in the body.
    • T cells originate in the bone marrow and mature in the thymus.

    Why are they called memory cells?

    • In the thymus, T cells multiply and differentiate into helper, regulatory, or cytotoxic T cells or become memory T cells.
    • They are then sent to peripheral tissues or circulate in the blood or lymphatic system.
    • Once stimulated by the appropriate antigen, helper T cells secrete chemical messengers called cytokines, which stimulate the differentiation of B cells into plasma cells (antibody-producing cells).

    How do they control immunity?

    • Regulatory T cells act to control immune reactions, hence their name.
    • Cytotoxic T cells, which are activated by various cytokines, bind to and kill infected cells and cancer cells.
    • Because the body contains millions of T and B cells, many of which carry unique receptors, it can respond to virtually any antigen.

    Vaccination outcomes on T cells

    • There is a possibility that pre-existing T cell memory might influence vaccination outcomes.
    • Pre-existing immunity could help elicit better immune responses against novel coronavirus, and these responses can manifest faster.
    • Meanwhile, pre-existing immunity could be mistaken as an enhanced efficacy of the vaccine in eliciting immune responses.
    • This could be particularly confusing in Phase-1 trials where the vaccine is tested on a small group of healthy participants.

    Its drawbacks

    • The pre-existing immunity can reduce the immune responses that the vaccine causes through a mechanism called the “original antigenic sin”.
    • It can also lead to antibody-mediated disease enhancement, where antibodies present at sub-neutralizing concentrations can actually augment virus infection and cause more severe disease.
    • This was seen in the case of chikungunya and dengue.

  • Kuaizhou-11 Rocket

    China’s 19th launch of 2020, the Kuaizhou-11 rocket, failed in its mission.

    Try this question from CSP 2014:

    Q.Which of the following pair is/are correctly matched?

    Spacecraft Purpose
    1. Cassini-Huygens Orbiting the Venus and transmitting data to the Earth
    2. Messenger Mapping and investigating the Mercury
    3. Voyager 1 and 2 Exploring the outer solar system

    Select the correct answer using the code given below.

    a) 1 only

    b) 2 and 3 only

    c) 1 and 3 only

    d) 1, 2 and 3

    The Kuaizhou-11

    • Kuaizhou, meaning “fast ship” in Chinese, was operated by the commercial launch firm Expace and was originally scheduled for 2018 after being developed three years earlier.
    • Also known as KZ-11, it had a lift-off mass of 70.8 tonnes, and was designed to launch low-Earth and Sun-synchronous orbit satellites.
    • It was carrying two satellites — the first being a remote sensing satellite that would provide data to clients on a commercial basis for forecasting and managing geological disasters.
    • It would also provide the information required for natural resource exploration. The second was part of a series of satellites for low-Earth orbit navigation.
    • Both satellites were built by Changguang Satellite Co. Ltd., a commercial entity born out of the state-owned firms.

  • Rare Comet ‘C/2020 F3 Neowise’

    The C/2020 F3 comet also dubbed NEOWISE will be visible with the naked eye for around 20 minutes every day for 20 days across India.

    Try this question from CSP 2014:

    Q.What is a coma, in the content of astronomy?

    (a) Bright half of material on the comet

    (b) Long tail of dust

    (c) Two asteroids orbiting each other

    (d) Two planets orbiting each other

    What are Comets?

    • Comets or “dirty snowballs” are mostly made of dust, rocks and ice, the remnants from the time the solar system was formed over 4.6 billion years ago.
    • The word comet comes from the Latin word “Cometa” which means “long-haired” and the earliest known record of a comet sighting was made by an astrologer in 1059 BC.
    • Comets can range in their width from a few miles to tens of miles wide.
    • While there are millions of comets orbiting the sun, there are more than 3,650 known comets as of now, according to NASA.

    How do they illuminate?

    • Comets do not have the light of their own and what humans are able to see from Earth is the reflection of the sun’s light off the comet as well as the energy released by the gas molecules after it is absorbed from the sun.
    • The visibility cannot be precisely predicted since a lot depends on the way the “outbursts” of gas and dust play out determining how much of a “good show” the comet will put out for observers.
    • As they orbit closer to the sun, they heat up and release debris of dust and gases that form into a “glowing head” that can often be larger than a planet.

    Why do they get close to the sun?

    • Comets may be occasionally pushed into orbits closer to the sun and the Earth’s neighbourhood due to forces of gravity of other planets.
    • The appearance of some comets, like those that take less than 200 years to orbit around the sun is predictable since they have passed by before.
    • These may be referred to as short-period comets and can be found in the Kuiper belt, where many comets orbit the sun in the realm of Pluto, occasionally getting pushed into orbits that bring them closer to the sun.
    • One of the most famous short-period comets is called Halley’s Comet that reappears every 76 years. Halley’s will be sighted next in 2062.
    • Comets in this cloud can take as long as 30 million years to complete one rotation around the sun.

    Significance of the comets

    • NASA tracks all Near Earth Objects (NEOs) that includes comets and asteroids using telescopes placed all around the Earth, as part of its NEO Observation Program.
    • Comets hold important clues about the formation of the solar system and it is possible that comets brought water and other organic compounds, which are the building blocks of life to Earth.

    Back2Basics

  • Rabari, Bharvad and Charan Tribes of Gujarat

    The Gujarat government will constitute a commission to identify the members of Rabari, Bharvad and Charan communities who are eligible to get the benefits of Schedule Tribe (ST) status.

    Try this question from CSP 2017:

    Q.Every year, a monthlong ecologically important campaign/festival is held during which certain communities/ tribes plant saplings of fruit-bearing trees. Which of the following are such communities/ tribes?

    (a) Bhutia and Lepcha

    (b) Gond and Korku

    (c) lrula and Toda

    (d) Sahariya and Agariya

    About the Tribes

    (1) Rabari

    • The Rabari, also called the Rewari are an indigenous tribal caste of nomadic cattle and camel herders and shepherds that live throughout northwest India, primarily in the states of Gujarat, Punjab and Rajasthan.
    • The word “Rabari” translates as “outsiders”, a fair description of their primary occupation and status within Indian society.
    • They speak ‘Bhopa’ which is a mixture of Gujarati, Kachchi, Marwari words and Pharasi (Persian) and use Gujarati script.
    • The Rabari are known for their distinctive art, particularly the mirrored and whitewashed mud sculpture-work that adorns their homes and villages.
    • Rabari women are responsible for this artwork and also traditionally spin the wool from their sheep and goats, and give it to local weavers to make their woollen skirts, veils, blankets and turbans.

    (2) Bharvad

    • The Bharwad are tribals primarily engaged in herding livestock.
    • The Bharwad name may derive from the Gujarati word badawad, constructed from bada (sheep) and wada (a compound or enclosure).
    • The Bharwads have numerous subgroups known as ataks or guls (clans) whose main purpose is to determine eligibility for marriage.
    • Constrained exogamy is practised between clans.

    (3) Charan

    • The Charan, also called Gadhvi, is a small tribe in Gujarat and the name Charan is derived from the word ‘Char’ which means grazing.
    • Members of the caste are considered to be divine by a large section of society.
    • Women of the caste are adored as mother goddesses by other major communities of this region.