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Type: Prelims Only

  • Historical and Archaeological Findings in News

    Indus Valley Script

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

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Indus Valley Script

    Why in the News?

    In a landmark announcement, Tamil Nadu CM M.K. Stalin offered a $1 million prize to anyone who successfully deciphers the ancient Indus Valley Script.

    Recent Efforts and Theories

    • Bahata Ansumali Mukhopadhyay’s Theory:
      • Suggests the script served commercial purposes, such as trade permits and tax stamps.
      • Highlights its practical use rather than religious or literary functions.
    • Asko Parpola’s Dravidian Hypothesis:
      • Proposes a logo-syllabic system, where pictograms represent words or phonetic rebuses.
      • Links the script to Dravidian languages, challenging Sanskrit-based interpretations.
      • Tamil Nadu’s Keezhadi excavations also draw parallels to IVC practices.

    About the Indus Valley Civilization (IVC)

    • The Harappan Civilization, also known as the Indus Valley Civilization, flourished between 2600 BCE and 1900 BCE, with earlier settlements dating back to 3200 BCE.
    • The origins of this civilisation are traced back to Mehrgarh in Balochistan, which dates to 7000 BCE.
    • It is considered one of the three earliest civilizations, alongside Egypt and Mesopotamia.
    • The civilization covered over 1.5 million sq. km, stretching across modern-day India, Pakistan, and Afghanistan.
    • Remains of the civilization include:
      • Well-planned cities with a grid layout, intersecting streets, and fortified structures.
      • Advanced drainage systems with underground sewers and covered drains, showing a strong emphasis on hygiene.
      • Granaries, warehouses, and dockyards, indicating the presence of structured trade and food storage mechanisms.
      • The discovery of seals made of steatite, often engraved with animals and an un-deciphered script, suggesting a sophisticated administrative system.
      • Craftsmanship in pottery, bead-making, terracotta figurines, metal artefacts, and weaving.
      • Water management systems such as reservoirs, wells, and baths, indicating an advanced understanding of hydraulic engineering.
    • Two ASI archaeologists were credited with the discovery:
      • Daya Ram Sahni excavated Harappa in 1921-22, discovering seals, pottery, and beads.
      • Rakhal Das Banerji began excavating Mohenjo-daro in 1922, finding similar items such as seals and copper objects.
    • John Marshall noticed the similarity between the objects found at Harappa and Mohenjo-daro, despite the sites being 640 km apart.

    What were the Artifacts and Sculptures found at the site?

    • The IVC is renowned for its remarkable artifacts and sculptures, reflecting its advanced culture and daily life.
    • Key finds include seals with animal motifs and inscriptions, terracotta figurines of animals and mother goddesses, and intricately crafted beads and ornaments made of gold, silver, and semi-precious stones.
    • Iconic sculptures like the bronze “Dancing Girl” and steatite “Priest-King” highlight artistic sophistication.
    • Practical items like pottery, toys, and tools demonstrate technological advancement and societal organization.
    • These discoveries shed light on the civilization’s trade, religious beliefs, and aesthetic achievements.

    PYQ:

    [2013] Which of the following characterizes/characterize the people of Indus Valley Civilization?

    1. They possessed great palaces and temples.

    2. They worshipped both male and female deities.

    3. They employed horse-drawn chariots in warfare.

    Select the correct statement/statements using the codes given below.

    (a) 1 and 2 only

    (b) 2 only

    (c) 1, 2 and 3

    (d) None of the statements given above is correct

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  • Economic Indicators and Various Reports On It- GDP, FD, EODB, WIR etc

    Chhattisgarh first state to link Forest Ecosystem with Green GDP

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

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Green GDP

    Why in the News?

    For the first time in India, Chhattisgarh has introduced an innovative framework that integrates the ecosystem services of its forests into the calculation of Green Gross Domestic Product (Green GDP). This initiative highlights the critical role forests play in supporting both environmental sustainability and economic growth.

    Highlights of the Chhattisgarh’s Plan

    • Forest contributions like carbon absorption, climate regulation, and biodiversity preservation will now be formally quantified and included in the state’s economic planning.
    • The initiative ensures forests are valued not just for their resources but for their broader ecological services.
      • With 44% of its land under forest cover, Chhattisgarh’s natural resources are vital for the livelihoods of millions and play a significant role in mitigating climate change.
    • The initiative aligns with ‘Developed India 2047’ vision, focusing on long-term ecological and economic sustainability.

    About Green GDP

    • Green GDP is an alternative metric for assessing economic growth that includes the environmental costs of economic activities.
    • It subtracts the value of natural resource depletion and environmental degradation from traditional GDP to provide a more accurate picture of economic well-being.
    • Introduced in the 1993 United Nations Handbook of National Accounting: Integrated Environmental and Economic Accounting under the System of Environmental-Economic Accounting (SEEA) framework.
    • Key Features:
      • Aims to measure the sustainability of economic growth.
      • Focuses on valuing ecosystem services like carbon sequestration, soil conservation, and water resources.
      • Provides insights into the trade-offs between economic growth and environmental conservation.
    • Calculation:
      • Green GDP = Traditional GDP – Costs of Environmental Degradation – Costs of Resource Depletion.
    • Challenges: Incomplete environmental data, reliance on subjective assumptions, difficulty in valuing ecosystem services, and the absence of a universal calculation framework, often oversimplifying nature’s intrinsic worth.

    Government Initiatives for Green GDP Accounting

    • Green National Account Framework: It integrates environmental considerations into national accounting systems. It captures the value of natural resources, costs of pollution, and benefits of ecosystem services like clean air and water.
    • System of Environmental-Economic Accounting, 2012 (SEEA): It was adopted by India under UN guidelines to create databases for natural capital accounting and informed policymaking.
    • RBI Estimates: Green GDP for 2019 was ₹167 trillion, reflecting a 10% adjustment from traditional GDP. It is supported by organizations like TERI and Indian Statistical Institute to refine valuation methodologies.

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  • Genetically Modified (GM) crops – cotton, mustards, etc.

    Genetic Engineering Appraisal Committee (GEAC)

    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: Genetic Engineering Appraisal Committee (GEAC) and its Functions

    Why in the News?

    The Union Ministry of Environment, Forest, and Climate Change has introduced amendments to the rules governing the selection of experts in the Genetic Engineering Appraisal Committee (GEAC).

    Key Highlights of the Revised GEAC Rules:

    • Conflict of Interest Disclosure: Expert members must disclose any direct or indirect interests that may conflict with their duties. Conflicted members must recuse themselves from decision-making unless specifically requested by the committee.
    • Transparency Measures: All members are required to submit a detailed record of their professional affiliations from the past 10 years to ensure accountability and unbiased evaluations.
    • Participation Restrictions: Experts with conflicts of interest must report them before meetings and take steps to ensure that their affiliations do not affect GEAC decisions.
    • Enhanced Governance: The revised rules aim to strengthen the regulatory process for genetically modified organisms (GMOs), ensuring fair and impartial decision-making.
    • Supreme Court Compliance: The amendments align with the Supreme Court’s directive (2023) to address concerns of conflict of interest in GM crop approval processes, boosting public trust in GEAC’s role.
    • Improved Operational Integrity: These changes emphasize transparency, ensuring that scientific appraisals and policy decisions remain free from external influence.

    What is Genetic Engineering Appraisal Committee (GEAC)?

    • The GEAC is the apex regulatory body overseeing activities related to genetically modified organisms (GMOs) in India, particularly their release into the environment.
    • It is established under the Rules for the Manufacture, Use/Import/Export, and Storage of Hazardous Microorganisms/Genetically Engineered Organisms or Cells (Rules, 1989) framed under the Environment (Protection) Act, 1986.

    Structural Mandate:

    • Operates under the Ministry of Environment, Forest, and Climate Change (MoEF&CC).
    • Composition:
      • Chairperson: Special Secretary/Additional Secretary of MoEF&CC.
      • Co-Chairperson: Representative from the Department of Biotechnology (DBT).
      • Includes 24 members, representing key institutions like the Indian Council of Agricultural Research (ICAR), Indian Council of Medical Research (ICMR), and Centre for Cellular and Molecular Biology (CCMB).
      • Meets monthly for appraisals and discussions.

    Powers and Functions of GEAC:

    • Powers:
      • Approves or denies proposals for environmental release of genetically engineered organisms (including GM crops).
      • Exercises the power to take punitive actions under the Environment Protection Act, 1986 for violations.
      • Monitors large-scale use of hazardous microorganisms and recombinants in research and industrial production.
    • Functions:
      • Evaluates activities involving the environmental release of GMOs and their products, including experimental field trials.
      • Ensures compliance with safety protocols to minimize environmental risks.
      • Reviews applications for the import, export, manufacture, and storage of GM organisms and cells.
      • Makes recommendations based on a comprehensive assessment of environmental and health impacts.
      • Addresses concerns related to conflicts of interest and ensures impartiality in decision-making.
      • Engages with stakeholders, including farmers and environmentalists, to maintain transparency and address public concerns.

    PYQ:

    [2015] The Genetic Engineering Appraisal Committee is constituted under the:

    (a) Food Safety and Standards Act, 2006

    (b) Geographical Indications of Goods (Registration and Protection) Act, 1999

    (c) Environment (Protection) Act, 1986

    (d) Wildlife (Protection) Act, 1972

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  • International Space Agencies – Missions and Discoveries

    What is KM3NeT Project?

    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: KM3NeT Project

    Why in the News?

    Scientists are deploying two advanced telescopes under the Mediterranean Sea as part of the Cubic Kilometre Neutrino Telescope (KM3NeT) project.

    What is KM3NeT Project?

    • The KM3NeT is a European research initiative launched in 2012 and located in the Mediterranean Sea.
    • It uses advanced water Cherenkov detectors to study high-energy neutrinos and their origins, as well as fundamental neutrino properties.
    • Key Components:
    1. ARCA (Astroparticle Research with Cosmics in the Abyss): Offshore Sicily, Italy, at 3,400 meters depth, studying high-energy cosmic neutrinos.
    2. ORCA (Oscillation Research with Cosmics in the Abyss): Offshore Toulon, France, at 2,475 meters depth, focusing on neutrino oscillations and mass hierarchy.
    • It detects Cherenkov radiation, faint light produced when neutrinos interact with water molecules, using 6,210 optical modules.
    • Design:
      • Modular construction with plans to deploy 12,000 optical modules on 600 vertical strings, anchored to the seabed.
      • Connected via electro-optical networks to shore stations for power and data processing.

    About Neutrinos

    • Neutrinos are subatomic particles, similar to electrons but without an electric charge.
      • Neutrinos are the 2nd most abundant particles in the universe after Photons.
    • Approximately a billion neutrinos pass through a cubic centimetre of space every second.
    • First detected in 1959, though their existence was theorized in 1931.
    • High-energy neutrinos, which originate from exotic astrophysical events like supernovae, gamma-ray bursts, or colliding stars, are of particular interest to scientists because:
    • Neutrinos can travel through dense cosmic environments, such as the dust-shrouded centre of the Milky Way, where visible light telescopes fail.
    • Neutrino detection depends on observing Cherenkov radiation — light flashes produced when neutrinos interact with water or ice molecules.
      • Darkness is essential for detecting the faint flashes of Cherenkov radiation.
    • Why study neutrinos?
      • Neutrinos provide insights into particle physics, including neutrino oscillations and mass hierarchy, challenging the Standard Model.
      • Neutrinos pass through dense cosmic regions, offering access to areas invisible to traditional telescopes.
      • Studying neutrinos aids in tracing cosmic ray origins and understanding dark matter, unlocking mysteries of the universe.

     

    PYQ:

    [2010] India-based Neutrino Observatory is included by the planning commission as a mega-science project under the 11th Five-year plan. In this context, consider the following statements:

    1. Neutrinos are chargeless elementary particles that travel close to the speed of light.
    2. Neutrinos are created in nuclear reactions of beta decay.
    3. Neutrinos have a negligible, but non-zero mass.
    4. Trillions of Neutrinos pass through the human body every second.

    Which of the statements given above are correct?

    (a) 1 and 3 only

    (b) 1, 2 and 3 only

    (c) 2, 3 and 4

    (d) 1, 2, 3 and 4

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  • Agricultural Sector and Marketing Reforms – eNAM, Model APMC Act, Eco Survey Reco, etc.

    Banana Cultivation in India

    Prelims Only | Agriculture | Mains Paper 3: Major Crops & Cropping Patterns

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Banana Cultivation

    Why in the News?

    India has seen a 10x increase in banana exports over the past decade and now targets $1 billion in exports within the next five years. In the fiscal year 2022-23, India’s banana production was estimated at around 34.9 million metric tons.

    Do you know?

    • Banana is the second most important fruit crop in India after Mango, contributing 33% to total fruit production.
    • India is the largest producer of bananas globally, contributing 26.5% to the world’s total banana production (FAO, 2021).
    • Andhra Pradesh is the leading state with 56.84 lakh tonnes (16.5% of national production) followed by Maharashtra and Tamil Nadu.

    Banana Cultivation in India

    • Bananas thrive in tropical and subtropical climates with temperatures between 15°C and 35°C and high humidity.
    • Common varieties: Dwarf Cavendish, Robusta, Grand Naine, Nendran, Rasthali, Poovan, Red Banana, Monthan, Safed Velchi, Lal Velchi, Ardhapuri, Karpuravalli, Elakki Bale, Basrai, Amrit Sagar, Champa, Chinia, Malbhog, Rajapuri, and Yelakki.
    • The crop requires well–drained, loamy soil with a pH of 6.5–7.5 and 1,800–2,000 mm of water annually, often supported by drip irrigation.
    • Fusarium Wilt is the most common disease affecting Bananas.
    • Seasons for Planting:
      • Maharashtra: Kharif (June–July) and Rabi (October–November).
      • Tamil Nadu: February–April and November–December.
      • Kerala: Rainfed crop (April–May) and irrigated crop (August–September).

    PYQ:

    [2011] Recently, our scientists have discovered a new and distinct species of banana plant which attains a height of about 11 metres and has orange coloured fruit pulp. In which part of India has it been discovered?

    (a) Andaman Islands

    (b) Anaimalai Forests

    (c) Maikala Hills

    (d) Tropical rain forests of northeast

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  • In news: Trinidad and Tobago

    Prelims OnlyWorld Mapping | International Relations | Mains Paper 2: Bilateral, Regional and Global Groupings and agreements involving India

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Trinidad and Tobago

    In news: Trinidad and Tobago

    Why in the News?

    The government of Trinidad and Tobago declared a state of emergency on December 30, 2024, in response to escalating violence in the Caribbean nation.

    About Trinidad and Tobago

    • Geography:
      • Located in the southern Caribbean, near Venezuela.
      • A dual-island nation consisting of Trinidad (4,768 sq. km) and Tobago (300 sq. km).
      • Total land area: 5,128 sq. km.
      • Climate: Tropical, with a dry season from January to May and a rainy season from June to December.
    • Population:
      • Approximately 1.5 million people.
      • Ethnic Composition: African (36.3%), Indian (35.4%), Mixed (22.8%), European, Chinese, and others.
      • Religions: Christianity (64%), Hinduism (18%), Islam (5%), and others.
    • Capital and Cities:
      • Capital: Port of Spain (Trinidad).
      • Other key cities: San Fernando, Chaguanas, and Scarborough (Tobago).
    • Political System:
      • Government Type: Parliamentary democracy under a constitutional republic.
      • Member of the Commonwealth of Nations.
      • Gained independence from the UK on August 31, 1962, and became a republic in 1976.
    • Infrastructure:
      • Ports: Port of Spain, Point Lisas, and Scarborough are critical for trade.
      • Airports: Piarco International Airport (Trinidad) and A.N.R. Robinson International Airport (Tobago).
    • Culture and Heritage:
      • Known for the Carnival, one of the world’s largest pre-Lenten celebrations.
      • Birthplace of Calypso music, Soca, and the Steelpan (the only acoustic musical instrument invented in the 20th century).

    Geo-Political Significance

    • T&T is a major exporter of liquefied natural gas (LNG) and petrochemicals (methanol and ammonia), supplying markets in the U.S., Europe, and Latin America.
    • It is positioned at the crossroads of the Caribbean Sea and Atlantic Ocean, serving as a gateway between North and South America.
    • It is a founding member of the Caribbean Community (CARICOM) advocating for regional economic integration, disaster response, and collective security.
    • It is a active member of the Commonwealth and the United Nations, pushing for climate change resilience and sustainable development initiatives.

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  • Water Management – Institutional Reforms, Conservation Efforts, etc.

    Annual Ground Water Quality Report – 2024

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

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Annual Ground Water Quality Report – 2024

    Why in the News?

    The Annual Groundwater Quality Report 2024 was released by the Union Minister of Jal Shakti.  Conducted by the Central Ground Water Board (CGWB), the report provides a scientific baseline for groundwater quality across India.

    Annual Groundwater Quality Report, 2024: Key Highlights

    Monitoring Scale

    • Data collected from 15,200 locations and 4,982 trend stations both before and after the monsoon.

    Contamination Levels

    • Nitrate
      • 20% of samples exceeded the safe limit of 45 mg/L.
      • Hotspots include Rajasthan, Tamil Nadu, Maharashtra (>40% of samples), Telangana (27.48%), Andhra Pradesh (23.5%), and Madhya Pradesh (22.58%).
      • States such as Arunachal Pradesh, Assam, Mizoram, Nagaland remain within safe limits.
    • Fluoride
      • 9.04% of samples above permissible limits.
      • Affected states: Rajasthan, Haryana, Karnataka, Andhra Pradesh, and Telangana.
    • Arsenic
      • Detected in Ganga-Brahmaputra floodplains (West Bengal, Assam, Bihar, Uttar Pradesh).
      • Linked to cancer and skin lesions.
    • Uranium
      • 42% of Rajasthan and 30% of Punjab samples exceed 100 ppb.
      • Over-exploited zones in Gujarat, Haryana, Tamil Nadu, Andhra Pradesh also show elevated levels, posing kidney damage risks.

    Agricultural Suitability

    • SAR (Sodium Adsorption Ratio) & RSC (Residual Sodium Carbonate): 81% of samples suitable for irrigation; 100% suitability in North-Eastern states.
    • High Sodium: Elevated levels in Andhra Pradesh, Gujarat, Haryana, risking soil degradation.
    • Salinity (as a measure of Electrical Conductivity (EC)): High in Rajasthan, Delhi, Gujarat, Haryana, Punjab, Karnataka.

    Temporal Trends

    • Seasonal Improvements: Post-monsoon recharge improves EC (salinity) and fluoride levels.
    • Stable Nitrate since 2015 in Rajasthan, Madhya Pradesh, Gujarat.
    • Rising Nitrate (2017–2023) in Uttar Pradesh, Tamil Nadu, Andhra Pradesh, Haryana.

    Hotspots of Contamination

    • Nitrate:
      • Rajasthan (Barmer, Jodhpur), Maharashtra (Wardha, Jalgaon), Andhra Pradesh (Palnadu), Tamil Nadu (Villupuram), Punjab (Bathinda).
    • Uranium:
      • Over-exploited aquifers in Rajasthan, Punjab, Gujarat.
    • Arsenic:
      • Ganga-Brahmaputra floodplains in West Bengal, Assam, Bihar.

    What are the key factors contributing to decline in Groundwater quality?

    Groundwater quality declines due to:

    • Industrialization, with untreated waste introducing heavy metals and chemicals into aquifers, and agricultural practices, where excessive use of fertilizers and pesticides leads to nitrate contamination.
    • Urbanization worsens the problem through improper waste disposal, sewage leakage, and landfill contamination.
    • Over-extraction for agriculture and domestic use lowers water tables, exposing aquifers to pollutants like arsenic and uranium.
    • Climate change and poor livestock waste management further exacerbate contamination and reduce aquifer recharge.

    Government Initiatives to conserve Groundwater

    • Jal Jeevan Mission – Groundwater Component (2023): Ensures source sustainability for rural water supply by focusing on groundwater recharge and sustainable extraction with local governance participation.
    • Jal Shakti Abhiyan – Catch the Rain (2021): A nationwide campaign promoting rainwater harvesting and groundwater recharge, emphasizing the creation of water conservation structures.
    • National Aquifer Mapping and Management Program (Updated 2020): Maps groundwater aquifers to guide sustainable management, particularly in over-exploited areas.
    • Atal Bhujal Yojana (2019): Focuses on sustainable groundwater management through community participation in seven water-stressed states, with decentralized planning involving Gram Panchayats.

    PYQ:

    [2021] With reference to the water on the planet Earth, consider the following statements:​

    1. The amount of water in the rivers and lakes is more than the amount of groundwater.​

    2. The amount of water in polar ice caps and glaciers is more than the amount of groundwater.​

    Which of the statements given above is/are correct?​

    (a) 1 only ​

    (b) 2 only​

    (c) Both 1 and 2 ​

    (d) Neither 1 nor 2​

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  • Fertilizer Sector reforms – NBS, bio-fertilizers, Neem coating, etc.

    [pib] What is Di-Ammonium Phosphate (DAP) ?

    Prelims Only | Agriculture | Mains Paper 3: Issues Related To Farm Subsidies & Msp

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Di-Ammonium Phosphate (DAP)

    [pib] What is Di-Ammonium Phosphate?

    Why in the News?

    The Union Cabinet has approved the extension of the One-time Special Package on Di-Ammonium Phosphate (DAP) beyond the Nutrient Based Subsidy (NBS) scheme.

    What is Di-Ammonium Phosphate (DAP)?

    • DAP is a two-nutrient fertilizer that contains 18% nitrogen (N) and 46% phosphorus (P) as P2O5.
    • DAP is highly soluble in water and soil, releasing phosphate and ammonium that plants can use.
    • DAP is a popular choice for farming and other industries because of its high nutrient content and physical properties. It’s particularly effective in the early stages of plant development.

    What is Fertilizer Subsidy in India?

    Details
    • Ensures affordable fertilizers for farmers to boost agricultural productivity.
    • Applies to both Urea and Phosphatic & Potassic (P&K) fertilizers, each with distinct pricing/subsidy mechanisms.

    Types of Subsidies:

    1. Urea Subsidy

    • Fixed MRP: Urea is sold at a statutorily notified MRP (₹5,360/ton in 2023), irrespective of production costs.
    • Government Compensation: Bridges the cost gap, making urea highly affordable but often leading to overuse.

    2. Nutrient Based Subsidy (NBS) for P&K (2010)

    • Nutrient-Based Approach: Subsidies depend on Phosphorus (P) and Potassium (K) content, promoting balanced fertilization.
    • Pricing Revision: Subsidy rates are reviewed annually or bi-annually based on global market prices.
    • Objectives: Improve soil health, nutrient efficiency, and ensure affordability of P&K fertilizers.

    3. Subsidies as per New Investment Policy (NIP) for Urea (2012)

    • Self-Sufficiency Focus: Encourages new urea plants and revival of old ones to reduce imports.
    • Investment Incentives: Aim to increase domestic production through favourable policies and pricing.
    Concerns Related to Subsidy
    • Overuse of Urea: Low urea prices lead to excessive application, causing soil nutrient imbalance and environmental harm.
    • Fiscal Burden: Total subsidy expenditures reached ₹2.25 lakh crore (2023–24), placing a heavy load on public finances.
    • Imbalanced Nutrient Use: Heavy reliance on urea discourages the use of P&K fertilizers, degrading soil quality over time.
    • Import Dependency: India relies significantly on P&K imports, exposing farmers to global price volatility.

     

    PYQ:

    [2020] With reference to chemical fertilizers in India, consider the following statements:

    1. At present, the retail price of chemical fertilizers is market-driven and not administered by the Government.

    2. Ammonia, which is an input of urea, is produced from natural gas.

    3. Sulphur, which is a raw material for phosphoric acid fertilizer, is a by-product of oil refineries.

    Which of the statements given above is/are correct?

    (a) 1 only

    (b) 2 and 3 only

    (c) 2 only

    (d) 1, 2 and 3

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  • Tobacco: The Silent Killer

    [pib] Tobacco Board of India

    Prelims Only | Agriculture | Mains Paper 3: Agriculture and related issues

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Tobacco Board, Tobacco Cultivation in India

    Why in the News?

    The Tobacco Board of India, established on January 1, 1976, under the Tobacco Board Act, 1975, plays a pivotal role in ensuring the growth and sustainability of the tobacco industry.

    About Tobacco Board of India

    • It is established under the Tobacco Board Act, 1975, operational from January 1, 1976.
    • It functions under the Ministry of Commerce and Industry.
    • It is headquartered in Guntur, Andhra Pradesh.
    • Objective: To promote the orderly development of India’s tobacco industry, especially in Andhra Pradesh, Karnataka, and Tamil Nadu.
    • Functions:
      • Regulates the production, curing, grading, and marketing of Virginia tobacco (Flue-Cured Virginia and Burley).
      • Issues licenses and registrations for growers, manufacturers, exporters, and dealers.
      • Collaborates with research institutes to develop new crop varieties and improve farming practices.
      • Engages in market promotion, price stabilization, and quality control to protect farmers and maintain fair trade.

    About the Tobacco Production and Trade

    India

    • Tobacco is drought-tolerant, hardy, and short-duration, cultivable on soils where other crops are less profitable.
    • It is grown on 0.45 million hectares, accounting for 0.27% of India’s net cultivated area.
      • India produces around 750 million kilograms of tobacco leaf annually.
    • India is the second-largest producer globally (after China) and second-largest exporter (after Brazil).
    • About 300 million kg of Flue-Cured Virginia (FCV) tobacco is produced on 0.20 million ha, while 450 million kg of non-FCV varieties come from 0.25 million ha.
    • India contributes 10% of global tobacco acreage and 9% of world tobacco production

     

    PYQ:

    [2008] Match List-I with List-II and select the correct answer using the code given below the Lists:

    List-I(Board) List-II (Headquarters)
    A. Coffee Board 1. Bengaluru
    B Rubber Board 2. Guntur
    C Tea Board 3. Kottayam
    D Tobacco Board 4. Kolkata

    Code: A B C D

    (a) 2 4 3 1

    (b) 1 3 4 2

    (c) 2 3 4 1

    (d) 1 4 3 2

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  • Artificial Intelligence (AI) Breakthrough

    Google Quantum AI’s Chip ‘Willow’

    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: Willow Quantum Processor

    Why in the News?

    Google has unveiled its latest quantum processor, ‘Willow’, which has sparked excitement about the potential of quantum computers to solve practical problems.

    Google Quantum AI’s Chip ‘Willow’

    About Willow Quantum Processor:

    • Google’s team of researchers developed Willow and shared their results in the scientific journal Nature.
    • Willow has 105 qubits, which are the basic units of information in quantum computers.
      • Some qubits perform the actual calculations (called data qubits).
      • Others check for mistakes and fix them (called measurement qubits).
    • It operates at an extremely low temperature—almost absolute zero (-273.15°C)—to keep its qubits stable.
    • How fast is It? Willow solved a tough problem in just a few minutes. The same task would take the world’s best regular computer 10 septillion years (that’s 1 followed by 24 zeros!).
    • Each qubit can stay stable for 100 microseconds (a tiny fraction of a second), which is a big improvement for quantum computers.

    Features and Significance

    • Smarter Error Handling:
      • Quantum computers are extremely sensitive, and even the tiniest disturbance can cause errors.
      • Willow uses a system where some qubits (called measurement qubits) are dedicated to spotting and fixing errors without disturbing the main qubits (called data qubits) that are doing the calculations.
    • Bigger, Better Performance:
      • Willow has 105 qubits: about half for computations and the rest for error correction.
      • Most quantum computers become less reliable as more qubits are added. Willow is different—it actually improves its performance as more qubits are included.
    • Longer Stability:
      • Qubits in Willow remain stable for 100 microseconds—a significant improvement that allows it to perform more complex tasks.

    PYQ:

    [2022] Which one of the following is the context in which the term “qubit” is mentioned?

    (a) Cloud Services
    (b) Quantum Computing
    (c) Visible Light Communication Technologies
    (d) Wireless Communication Technologies

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