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Type: Prelims Only

  • Advanced Towed Artillery Gun System (ATAGS)

    User trials of the indigenous Advanced Towed Artillery Gun System (ATAGS) developed by the Defence Research and Development Organisation (DRDO) will be held very soon.

    Try this question for mains:

    Q.Discuss why high-altitude warfare is challenging. Also, discuss India’s preparedness for a long-term war.

    ATAGS System

    • The ATAGS is a 155-mm, 52-calibre artillery gun jointly developed by the DRDO in partnership with Bharat Forge of the Kalyani Group and the Tata Power SED.
    • ATAGS has greater than 95% of indigenous content. It set a world record for the longest unassisted projectile range of 48 kilometres.

    Its features

    • The gun consists of a barrel, breech mechanism, muzzle brake and recoil mechanism to fire 155 mm calibre ammunition with a firing range of 48 km.
    • It has an all-electric drive to ensure reliability and minimum maintenance over a long period of time.
    • It has advanced features like high mobility, quick deployability, auxiliary power mode, advanced communication system, automatic command and control system with night capability in direct fire mode.

  • Plasmodium Ovale and Other types of Malaria

    A not very common type of malaria, Plasmodium Ovale, has been identified in a jawan in Kerala.

    Try this PYQ:

    Q. Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial 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 is Malaria?

    • Malaria is caused by the bite of the female Anopheles mosquito if the mosquito itself is infected with a malarial parasite.
    • There are five kinds of malarial parasites — Plasmodium falciparum, Plasmodium vivax (the commonest ones), Plasmodium malariae, Plasmodium ovale and Plasmodium knowlesi.
    • Therefore, to say that someone has contracted the Plasmodium ovale type of malaria means that the person has been infected by that particular parasite.
    • Malaria is treated with prescription drugs to kill the parasite. Chloroquine is the preferred treatment for any parasite that is sensitive to the drug.

    Plasmodium Ovale

    • P ovale rarely causes severe illness and there is no need for panic.
    • Symptoms include fever for 48 hours, headache and nausea, and the treatment modality is the same as it is for a person infected with P vivax.
    • P ovale is no more dangerous than getting a viral infection.
    • It is termed ovale as about 20% of the parasitised cells are oval in shape.

    Burden of Malaria in India

    • In 2018, the National Vector-borne Disease Control Programme (NVBDCP) estimated that approximately 5 lakh people suffered from malaria.
    • 63% of the cases were of Plasmodium falciparum.
    • The recent World Malaria Report 2020 said cases in India dropped from about 20 million in 2000 to about 5.6 million in 2019.

  • Digital Voter ID Card and its benefits

    The Election Commission (EC) is keen to make the Elector’s Photo Identity Card or EPIC available in electronic form.

    Try this PYQ:

    Q.Regarding DigiLocker, sometimes seen in the news, which of the following statements is/are correct?

    1. It is a digital locker system offered by the Government under Digital India Programme.
    2. It allows you to access your e-documents irrespective of your physical location.

    Select the correct answer using the code given below.

    (a) 1 only

    (b) 2 only

    (c) Both 1 and 2

    (d) Neither 1 nor 2

    Digital Voter ID Card

    • The digital voter card is not expected to look too different from its physical form.
    • It will be available as a PDF file and can be downloaded on one’s phone or computer.
    • The soft copy may also have a QR code that will carry the voter’s enrolment details such as name and date of birth and address.
    • This is still just a proposal and needs to be approved by the Election Commission.

    How to avail it?

    • To avail this facility, an eligible voter will have to provide her mobile number or email address to the EC machinery at the time of applying for enrolment in the voters’ list.
    • Once her name is included in the electoral roll, she will be intimated through an SMS or email.
    • The new voter can then download the Voter Card through OTP (One Time Password) authentication.
    • Existing voters may have to re-verify their details with the EC (similar to the Bank KYC process) and provide their email or mobile phone number to get their cards in the electronic form.

    Benefits offered

    • An electronic card will help the EC save costs on printing and distributing a hard copy of EPIC.
    • The EC feels that voters too will find it useful to have the PDF file of her voter card on her phone.
    • This will do away with the necessity of first producing a voter’s slip on the day of voting.

  • Narrow Band-Internet of Things (NB-IoT)

    In a first, BSNL launches world’s largest NB-IoT to provide connectivity for millions of unconnected machines, sensors and industrial IoT devices across the country.

    What is NB-IoT?

    • NB-IoT is a Low Power Wide Area (LPWA) technology that works virtually anywhere.
    • It will connect many more devices to the Internet of Things and make many new applications a reality.
    • It is optimized for applications that need to communicate small amounts of data over long periods of time.
    • Since it operates in licensed spectrum, it is secure and reliable providing guaranteed quality of service.
    • It connects devices more simply and efficiently on already established mobile networks and handles small amounts of fairly infrequent 2‑way data, securely and reliably.

    And the best is, it provides-

    • very low power consumption
    • excellent extended range in buildings and underground
    • easy deployment into the existing cellular network architecture
    • network security & reliability
    • lower component cost

    Back2Basics: Internet of Things (IoT)

    • The IoT describes the network of physical objects—“things”—that are embedded with sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the Internet.
    • The definition of the IoT has evolved due to the convergence of multiple technologies, real-time analytics, AI, sensors, and embedded systems.
    • In the consumer market, IoT technology is most synonymous with products pertaining to the concept of the “smart home”, including devices and appliances.
    • It supports one or more common ecosystems and can be controlled via devices associated with that ecosystem, such as smartphones and smart speakers e.g. Alexa.

    Remember this PYQ?

    When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart mirror in your bathroom shows the day’s weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When You step out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a message to your office accordingly.

    In the context of emerging communication technologies, which one of the following terms best applies to the above scenario?

    (a) Border Gateway Protocol

    (b) Internet of Things

    (c) Internet Protocol

    (d) Virtual Private Network

    Also read:

    [Burning Issue] Internet of Things (IoT)

  • What is Aurora Borealis?

    Northern Lights, also known as aurora borealis could be visible in regions such as in the northern parts of Illinois and Pennsylvania in the US.

    Try this PYQ:

    What is a coma, in the context 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

    Aurora

    • Auroras occur when charged particles ejected from the Sun’s surface — called the solar wind — enter the Earth’s atmosphere.
    • While flowing toward Earth, the fast-moving solar wind carries with it the Sun’s magnetic field, which disrupts the magnetosphere — the region of space around Earth in which the magnetic field of our planet is dominant.
    • When the Sun’s magnetic field approaches Earth, the protective magnetic field radiating from our planet’s poles deflects the former, thus shielding life on Earth.
    • However, as this happens, the protective fields couple together to form funnels, through which charged solar wind particles are able to stream down to the poles.
    • At the north and south poles, the charged particles interact with different gases in the atmosphere, causing a display of light in the sky.
    • This display, known as an aurora, is seen from the Earth’s high latitude regions (called the auroral oval), and is active all year round.

    Behind the name

    • In the northern part of our globe, the polar lights are called aurora borealis or Northern Lights and are seen from the US (Alaska), Canada, Iceland, Greenland, Norway, Sweden and Finland.
    • In the south, they are called aurora australis or southern lights and are visible from high latitudes in Antarctica, Chile, Argentina, New Zealand and Australia.

    Where is it observed?

    • Generally, the auroral oval is usually witnessed far up in the Polar Regions or the high latitude regions of Europe, like in Norway.
    • But occasionally, the oval expands, and the lights become visible at lower latitudes.
    • This happens during periods of high solar activity, such as the arrival of solar storms.
    • Solar activities include solar flares, solar energetic particles, high-speed solar wind and Coronal Mass Ejections (CME).

  • Mystery illness in Eluru

    Over 550 people in Eluru town of Andhra Pradesh’s West Godavari district have been suffering from convulsions, seizures, dizziness and nausea.

    Try this PYQ:

    Q.Which of the following can be found as pollutants in the drinking water in some parts of India?

    1. Arsenic
    2. Sorbitol
    3. Fluoride
    4. Formaldehyde
    5. Uranium

    Select the correct answer using the codes given below:

    (a) 1 and 3 only

    (b) 2, 4 and 5 only

    (c) 1, 3 and 5 only

    (d) 1, 2, 3, 4 and 5

    Eluru illness

    • The All India Institute of Medical Sciences (AIIMS) has found traces of lead and nickel in blood samples of 25 victims out of the 45 samples sent by the state government.
    • The primary suspicion is on water contamination by heavy metals. Scientists suspect that pesticide or insecticide has seeped into drinking water sources.
    • Experts from Hyderabad who collected water, blood, and food samples say there are indications of lead contamination but can confirm this only after detailed test reports.

    Possible cause: Water contamination

    • Eluru receives water through canals from both Godavari and Krishna rivers.
    • The canals pass through agricultural fields where runoff laced with pesticides mixes with water in the canals. Many aspects of the mystery illness have baffled scientists.
    • People who only use packaged drinking water have also fallen sick.

  • Cattle meat residue found in Indus Valley vessels

    A new study has found the presence of animal products, including cattle and buffalo meat, in ceramic vessels dating back about 4,600 years at seven Indus Valley Civilization sites in present-day Haryana and Uttar Pradesh.

    The Karnataka Assembly has passed the controversial Karnataka Prevention of Slaughter and Preservation of Cattle Bill, 2020, amid protests.

    Beef politics has always gained traction in India being a cheap source of protein for masses versus religious sentiments of the fundamentalists.

    How was the study conducted?

    • The study is the first to look into the absorbed lipid residues in pottery from multiple sites, including Rakhigarhi, Farmana and Masudpur.
    • Lipids are relatively less prone to degradation and have been discovered in pottery from archaeological contexts around the world.

    Key findings

    • The high proportions of cattle bones suggest a cultural preference for beef consumption across Indus populations, supplemented by the consumption of mutton/lamb.
    • The study found little evidence of dairy products. However, there could be regional differences as a recent study of vessels in Gujarat had found evidence of dairy products.
    • About 50-60% of domestic animal bones found at Indus Valley sites come from cattle/buffalo.
    • It says that at Harappa, 90% of the cattle were kept alive until they were three or three-and-a-half years, suggesting that females were used for dairying production, whereas male animals were used for traction.

  • [pib] Better Than Cash Alliance (BTCA)

    The Union Ministry of Finance and UN-Based Better Than Cash Alliance (BTCA) organized a joint Peer learning exchange on fintech solutions for responsible digital payments at the last mile.

    Make a note here that it is a BTCA is a global partnership with diverse funding, a UN office as its secretariat and Indian being its member.

    Better Than Cash Alliance

    • The BTCA is a global partnership of 75 governments, companies, and international organizations that accelerates the transition from cash to digital payments in order to reduce poverty and drive inclusive growth.
    • The United Nations Capital Development Fund serves as the secretariat. It was created in September 2012.
    • The Alliance is funded by the Bill and Melinda Gates Foundation, Citi, MasterCard, Omidyar Network, USAID, and Visa Inc.
    • By the time it launched, the program was already being rolled out in Peru, Kenya, Colombia, and the Philippines.

    India and the BTCA

    • India became a member of the alliance in 2015 to digitize payments to achieve financial inclusion and to share success stories from Pradhan Mantri Jan Dhan Yojana, the world’s largest financial inclusion program.
    • The alliance is working with several state governments towards the goal of building knowledge and programs where people, governments, and businesses can make and receive digital payments.

  • Revised height of Mount Everest

    Nepal and China jointly announced the new height of Mount Everest as 8,848.86 meters.

    8,848 metres — the answer to one of the most widely popular quiz questions, and a number drilled into the minds of school students around the world for decades, is set for a revision.

    Mt. Everest

    • Mount Everest or Sagarmatha, Earth’s highest mountain above sea level, is located in the Himalayas between China and Nepal -– the border between them running across its summit point.
    • Its current official elevation – 8,848.86m – places it more than 200m above the world’s second-highest mountain, K2, which is 8,611m tall and located in Pakistan-occupied Kashmir.
    • The mountain gets its English name from Sir George Everest, a colonial-era geographer who served as the Surveyor General of India in the mid-19th century.
    • Considered an elite climbing destination, Everest was first scaled in 1953 by the Indian-Nepalese Tenzing Norgay and New Zealander Edmund Hillary.

    Try this PYQ:

    Q.When you travel to the Himalayas, you will see the following:

    1. Deep gorges
    2. U-turn river courses
    3. Parallel mountain ranges
    4. Steep gradients causing land-sliding

    Which of the above can be said to be the evidences for the Himalayas being young fold mountains?

    (a) 1 and 2 only

    (b) 1, 2 and 4 only

    (c) 3 and 4 only

    (d) 1, 2, 3 and 4

    Everest’s first survey

    • The mission to measure the world’s highest peak was taken up on a serious note in 1847 and culminated with the finding of a team led by Andrew Waugh of the Royal Surveyor General of India.
    • The team discovered that ‘Peak 15’ — as Mt Everest was referred to then — was the highest mountain, contrary to the then-prevailing belief that Mt Kanchenjunga (8,582 m) was the highest peak in the world.
    • Another belief, prevailing even today, is that 8,840 m is not the height that was actually determined by the 19th-century team.
    • That survey, based on trigonometric calculations, is known as the Great Trigonometric Survey of India.

    Why is the height being revised?

    • The height of the summit, however, is known to change because of tectonic activity, such as the 2015 Nepal earthquake.
    • Its measurement over the decades has also depended on who was surveying.
    • Another debate is whether the height should be based on the highest rock point or the highest snow point.

  • What is Molnupiravir?

    A new drug called Molnupiravir has been shown to stop the transmission of SARS-CoV-2 in 24 hours.

    Must read:

    What is mRNA vaccine?

    Molnupiravir

    • Molnupiravir is an experimental antiviral drug which is orally active and was developed for the treatment of influenza.
    • It is a drug of the synthetic nucleoside derivative N4-hydroxycytidine, and exerts its antiviral action through introduction of copying errors during viral RNA replication.
    • Molnupiravir is being developed by the biotechnology firm Ridgeback Biotherapeutics in collaboration with pharmaceutical firm Merck.
    • The research team repurposed MK-4482/EIDD-2801 against SARS-CoV-2 and tested it on ferrets.
    • This is the first demonstration of an orally available drug to rapidly block SARS-CoV-2 transmission and it can be a game-changer.