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Type: Prelims Only

  • Wildlife Conservation Efforts

    [pib] Schedule IV of the Wild Life (Protection) Act, 1972

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

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Schedule IV of the Wild Life (Protection) Act, 1972

    Why in the News?

    • Many individuals, organizations, and zoos in India currently possess living specimens of exotic animal species listed under Schedule IV of the Wild Life (Protection) Act, 1972.
      • These exotic species must be reported and registered as mandated by the Ministry of Environment, Forest and Climate Change in the PARIVESH 2.0 Portal.

    Legal Framework for Reporting of Animals in Possession

    • The Living Animal Species (Reporting and Registration) Rules, 2024, were notified under Section 49 M of the Wild Life (Protection) Act via a Gazette Notification on February 28, 2024.
    • Who Must Register: Any person or entity in possession of a living specimen of species listed in Schedule IV of the Wild Life (Protection) Act, 1972.
      • Failure to report and register these species within the stipulated time frame may result in penal actions.

    About Schedule IV of the WPA

    Details
    Protection Level Provides legal protection to species, prohibiting their hunting, capture, or trade. Protection is less stringent compared to Schedules I & II.
    Offenses and Penalties Violations can lead to fines and imprisonment, but penalties are generally less severe than those for species in higher schedules.
    New Amendment (2022) The Wildlife (Protection) Amendment Act, 2022, inserted a new Schedule IV for specimens listed in the CITES Appendices.
    Examples of Species Flamingos, Hares, Falcons, Kingfishers, Magpie, and Horseshoe Crabs.
    Purpose Ensures legal protection to prevent exploitation and population decline of species that are not critically endangered but still need protection.
    General Protection Role Plays an important role in broader conservation efforts, offering safeguards to a wider range of species in India.

     

    PYQ:

    [2020] If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication?

    (a) A licence in required to cultivate that plant.

    (b) Such a plant cannot be cultivated under any circumstances.

    (c) It is a Genetically Modified crop plant.

    (d) Such a plant is invasive and harmful to the ecosystem.

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  • Innovation Ecosystem in India

    What is Quantum Non-Locality?

    Prelims Only | Science Tech | Mains Paper 3: Achievements Of Indians In S&T

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Quantum Non-Locality

    Why in the News?

    A recent study published in Physical Review Letters by Indian researchers has revealed that a universal standard for measuring quantum non-locality is impossible.

    What is Quantum Nonlocality?

    • Quantum Nonlocality is a mysterious connection between distant objects that challenges the classical idea of local realism, where no faster-than-light communication is allowed.
    • It’s crucial for technologies like secure communication, random number generation, and cryptographic key creation.
    • Easy Explanation:
      • Imagine two particles that are created together and then move far apart, even to opposite ends of the universe.
      • In classical physics, any effect on one particle would need a signal to travel to the other, taking time.
      • But in quantum physics, Quantum Nonlocality means these particles are instantly connected, affecting each other no matter the distance, as if linked by an invisible thread that works faster than light.

    Historical Background: Bell’s Theorem (1964)

    • Physicist John Stewart Bell introduced a theorem that challenged the classical idea of ‘local realism’ in quantum systems.
      • Local Realism: In classical physics, objects are believed to have definite properties independent of observation and are only influenced by their immediate surroundings.
      • Quantum Challenge: Bell demonstrated that in quantum systems with multiple, distant parts, correlations appear that cannot be explained by local realism.
    • Bell’s theorem was confirmed through experiments, leading to the recognition of quantum nonlocality, which was honored with the 2022 Physics Nobel Prize.

    Recent Research and Findings

    • The research demonstrates that a universal standard for measuring and comparing quantum nonlocality is impossible.
      • It shows that the nature of nonlocality varies based on the type of correlation, with infinite unique points on the correlation boundary.
      • There is no single, universal resource in the realm of quantum nonlocality; instead, each nonlocal resource is unique, capable of performing specific tasks that others cannot.
    • This observation plays a key role in secure communication, random number certification, and cryptographic key generation.

    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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  • Innovations in Biotechnology and Medical Sciences

    What is the Hayflick Limit?

    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: Hayflick Limit

    Why in the News?

    Leonard Hayflick, the renowned biomedical researcher who made a discovery about the limits of cell division in somatic cells (Hayflick Limit) has passed away at 98.

    What is the Hayflick Limit?

    • In the early 1960s, Hayflick discovered that somatic (non-reproductive) cells have a finite number of divisions, typically between 40-60 times.
    • This phenomenon, the ‘Hayflick limit’ suggests that aging occurs because cells eventually stop dividing.
      • This leads to the accumulation of senescent cells that contribute to the aging process.
    • The “ultimate Hayflick limit” for humans is estimated to be around 125 years.
    • Beyond this, no amount of lifestyle changes or medical interventions can extend the human lifespan.
    • Hayflick’s discovery has been applied to cells from various animals, revealing different Hayflick limits based on species’ lifespans.
    • Ex. Galapagos turtles, have cells that can divide approximately 110 times, whereas laboratory mice have a much lower limit of around 15 divisions.

    Broader Implications and Research

    • Hayflick’s discovery led to the discovery of telomeres in the 1970s.
      • Telomeres are protective DNA sequences at the ends of chromosomes, which shorten with each cell division.
    • When telomeres reach a critical length, cell division stops, which correlates with the Hayflick limit.
    • In the 1980s, scientists discovered telomerase, a protein capable of replenishing telomeres, which is naturally active in cancer cells, allowing them to bypass the Hayflick limit.

    PYQ:

    [2011] Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?

    (a) They activate the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiency

    (b) They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy

    (c) They neutralize the free radicals produced in the body during metabolism

    (d) They activate certain genes in the cells of the body and help delay the ageing process

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  • Global Geological And Climatic Events

    What is a Waterspout?

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

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Waterspout

    Why in the News?

    A yacht sank off the coast of Sicily, Italy after being hit by a Waterspout.

    What are Waterspouts?

    • A waterspout is a rotating column of air and mist over a water body.
    • It is a weaker relative of tornadoes and typically lasts for about five minutes, although it can occasionally last up to 10 minutes.
    • Size and Strength:
      • Average diameter: Around 165 feet.
      • Wind speeds: Can reach up to 100 km/hr.
    • Waterspouts are more common in tropical waters but can form anywhere with high humidity and relatively warm water temperatures compared to the overlying air.

    Types of Waterspouts:

    • Tornadic Waterspouts
        • These are actual tornadoes that either form over water or move from land to water.
    • They are associated with severe thunderstorms and can be accompanied by high winds, large hail, and dangerous lightning.
    • Fair-Weather Waterspouts:
      • These are more common and form only over water during fair weather.
      • They are generally smaller and less dangerous than tornadic waterspouts.

    PYQ:

    [2020] Consider the following statements:

    1. Jet streams occur in the Northern Hemisphere only.

    2. Only some cyclones develop an eye.

    3. The temperature inside the eye of a cyclone is nearly 10ºC lesser than that of the surroundings.

    Which of the statements given above is/are correct?

    (a) 1 only

    (b) 2 and 3 only

    (c) 2 only

    (d) 1 and 3 only

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  • Wildlife Conservation Efforts

    Yaks from China stray into eastern Ladakh

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

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Himalayan Yaks

    Why in the News?

    Around 40 Chinese yaks ventured into Indian Territory in the “Demchok” area of eastern Ladakh and are currently under the control of the local villagers.

    Grazing land issue at LAC:

    • Nomads from both sides traditionally access grazing grounds across the LAC.
    • Indian nomads have been stopped by Chinese soldiers when crossing to the Chinese side.
    • Demchok nomads lost access to Lungkar Valley in 2022 and Nilung Valley in 2017.
    • Loss of these areas has negatively impacted the livelihoods of border residents.
    • China expanded its presence on the Indian side of Charding nala (adjacent to Demchok) since 2020 stand-off.

    About Himalayan Yaks in India:

    Details
    Species Belongs to the Bovini tribe, including bison, buffaloes, and cattle.
    Adaptation Can tolerate extreme cold, down to -40°C; adapted for high altitudes with long, insulating hair.
    Cultural Significance Valued by Himalayan peoples;

    Linked to Tibetan Buddhism legend of Rinpoche.
    Raising Method Traditionally reared under a transhumance system; involves significant hardship.
    Habitat Endemic to the Tibetan Plateau and high-altitude regions.
    Altitude Preference Thrives above 14,000 feet; typically climbs to 20,000 feet and rarely descends below 12,000 feet.
    Yak-Rearing States in India Arunachal Pradesh, Sikkim, Uttarakhand, Himachal Pradesh, Jammu & Kashmir.
    Population Decline 2019 census: 58,000 yaks in India, a 25% drop from 2012; decline due to low remuneration and market.
    Significance Provides crucial nutritional and livelihood security for pastoral nomads in high-altitude regions.
    Threats Climate change causing heat stress; inbreeding due to closed borders limiting genetic diversity.
    Protection Status* – IUCN Red List: Vulnerable
    – CITES: Appendix I
    – Indian Wildlife Act: Schedule I
    Food Status* Approved as a ‘food animal’ by the Food Safety and Standard Authority of India (FSSAI).

     

    PYQ:

    [2016] What is/are unique about ‘Kharai camel’, a breed found in India?

    1. It is capable of swimming up to three kilometres in seawater.

    2. It survives by grazing on mangroves.

    3. It lives in the wild and cannot be domesticated.

    Select the correct answer using the codes given below:

    (a) 1 and 2 only

    (b) 3 only

    (c) 1 and 3 only

    (d) 1, 2 and 3

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  • Modern Indian History-Events and Personalities

    [pib] Maharaja Bir Bikram Kishore Manikya Bahadur

    Prelims Only | History | Mains Paper 1: Modern Indian History

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Maharaja Bir Bikram Kishore Manikya Bahadur

    Why in the News?

    The Prime Minister has paid homage to the great Maharaja of Tripura Bir Bikram Kishore Manikya Bahadur on his birth anniversary.

    Who was Maharaja Bir Bikram Kishore Manikya Bahadur?

    Details
    Reign 1923 – 1947
    Birth August 19, 1908
    Contributions to Tripura – Modernized Tripura with infrastructure and educational reforms.
    – Planned and designed the city of Agartala, earning the title “Architect of Modern Tripura.”-He took initiatives to explore tea cultivation and established several tea estates in Tripura.
    Education and Infrastructure – Established schools, colleges, and hospitals.
    – He was instrumental in establishing the first airport in Tripura, the Maharaja Bir Bikram Airport, which greatly improved connectivity and facilitated economic growth
    Social Reforms Introduced land reforms, granted land rights to indigenous people, and worked to abolish untouchability.

    Maharaja Bir Bikram was a patron of the arts and culture, supporting various cultural activities and institutions.
    Military Role Supported the British during World War II.
    Legacy Died on May 17, 1947

    Remembered as a visionary ruler who played a crucial role in shaping modern Tripura.

    PYQ:

    [2022] The political and administrative reorganization of states and territories has been a continuous ongoing process since the mid-nineteenth century. Discuss with examples. (250 words, 15 marks)

    [2007] Which one of the following is the correct chronological order of the formation of the following states as full states of the Indian Union?

    (a) Sikkim, Arunachal Pradesh, Nagaland, Haryana

    (b) Nagaland , Haryana, Sikkim, Arunachal Pradesh

    (c) Sikkim, Haryana, Nagaland, Arunachal Pradesh

    (d) Nagaland, Arunachal Pradesh, Sikkim, Haryana

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  • Forest Conservation Efforts – NFP, Western Ghats, etc.

    Banni Grasslands of Kachchh

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

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Banni Grasslands of Kachchh

    Why in the News?

    A study conducted by researchers at Kachchh University assessed the suitability of different areas in Banni for sustainable grassland restoration, with ecological value being the primary criterion.

    Restoration of Banni Grasslands: Highlights of the Study

    Recent Study:

    • Objective: A study conducted by researchers at KSKV Kachchh University assessed the suitability of different areas in Banni for sustainable grassland restoration, with ecological value being the primary criterion.
    • Need for restoration: Originally covering about 3,800 sq. km, the Banni grasslands have shrunk to about 2,600 sq. km.
    • Categories of Restoration Zones: The researchers divided the grassland into five categories based on restoration suitability:
      • Highly Suitable: 937 sq. km (36%)
      • Suitable: 728 sq. km (28%)
      • Moderately Suitable: 714 sq. km (27%)
      • Marginally Suitable: 182 sq. km (7%)
      • Not Suitable: 61 sq. km (2%)
    • Restoration Potential: The “highly suitable” and “suitable” zones, making up nearly two-thirds of the Banni grasslands, can be restored easily by providing adequate water sources.

    About Banni Grasslands:

    • The Banni Grassland is a salt-tolerant ecosystem located in the Kutch district of Gujarat, covering around 3,847 square km.
    • It is said to be Asia’s largest grassland (TOI).
    • The climate is arid and semi-arid, with extremely hot summers (temperatures above 45°C) and mild winters (12°C to 25°C), receiving 300-400 mm of annual rainfall mainly during the monsoon.
    • It is inhabited by pastoral communities like the Maldharis, who rely on livestock grazing (cattle, buffalo, and sheep) for their livelihood.
    • Agriculture is limited due to arid conditions, with some areas used for salt production.
    • Flora: Grasses such as Dichanthium, Sporobolus, and Cenchrus species, with salt-tolerant plants, shrubs, and trees like Acacia and the invasive Prosopis juliflora.
    • Fauna: Indian wolf, hyena, chinkara, Great Indian Bustard, flamingos, and various raptors, reptiles, and invertebrates.

    PYQ:

    [2021] The vegetation of Savannah consists of grassland with scattered small trees, but extensive areas have no trees. The forest development in such areas is generally kept in check by one or more or a combination of some conditions. Which of the following are such conditions?​

    1. Burrowing animals and termites​

    2. Fire​

    3. Grazing herbivores​

    4. Seasonal rainfall​

    5. Soil properties​

    Select the correct answer using the code given below.​

    (a) 1 and 2

    (b) 4 and 5​

    (c) 2, 3 and 4

    (d) 1, 3 and 5​

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  • Foreign Policy Watch: India-Japan

    [pib] 2+2 Ministerial Dialogue

    Prelims Only | 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: 2+2 Ministerial Dialogue

    Why in the News?

    Japanese foreign and defence ministers have arrived in India to participate in the India-Japan 2+2 ministerial meeting.

    About 2+2 Ministerial Dialogue

    • The 2+2 Ministerial Dialogue is a diplomatic summit held annually since 2018, initially between India and the US.
    • It later expanded to include Japan, Australia, Russia, and the United Kingdom.
    • This dialogue involves the Foreign and Defense Ministers of participating countries and focuses on strengthening bilateral relations and addressing common concerns.
    • The dialogue replaced the Strategic and Commercial Dialogue during a 2017 agreement between PM Narendra Modi and President Donald Trump.
    • First Summit was held on September 6, 2018, between India and the US in New Delhi, involving discussions on defense partnerships and strategic cooperation.

    Key Milestones:

    What are the key priorities of the Indo-Japan 2+2 Dialogue?

    • Update Security Cooperation: Revising the 2008 security agreement to reflect current strategic needs.
    • Promote a Free Indo-Pacific: Collaborating to ensure a free, open, and stable Indo-Pacific region.
    • Engage in Strategic Talks: Holding strategic discussions between foreign and defense ministers to boost bilateral ties.
    • Address Regional Security: Discussing key issues like Chinese assertiveness, the Russia-Ukraine war, and the Gaza crisis.
    • Coordinate Quad Efforts: Exploring cooperation within the Quad framework, including a potential summit.

    PYQ:

    [2020] Quadrilateral Security Dialogue (Quad) is transforming itself into a trade bloc from a military alliance, in present times Discuss.

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  • Innovations in Biotechnology and Medical Sciences

    Waggle Dance of Bees

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

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Waggle Dance of Bees

    Why in the News?

    Two scientists have raised concerns about “problematic behaviour” in papers on honeybee communication co-authored by Dr. Mandyam Srinivasan, a highly honoured neuroscientist.

    About Waggle Dance of Bees

    Details
    Purpose Communicates location of food sources to other bees.
    Dance Pattern Figure-eight (8) movement with a waggle run in the middle.
    Direction Indication Angle of waggle run shows direction relative to the sun.
    Distance Indication Duration of waggle run indicates distance to the food source.
    Efficiency Enhances foraging efficiency by guiding bees directly to food sources.
    Environmental Impact Accuracy affected by Sun position, wind, and landscape.
    Scientific Importance Decoded by Nobel laureate Karl von Frisch; an example of advanced insect communication.

     

    PYQ:

    [2023] Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?

    (a) Butterflies

    (b) Dragonflies

    (c) Honey Bees

    (d) Wasps

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  • Zoopharmacognosy: the study of how animals self-medicate

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

    Note4Students

    From UPSC perspective, the following things are important:

    Prelims level: Zoopharmacognosy

    Why in the News?

    Researchers highlighted the zoopharmacognosy (practice of self-medication) by a Sumatran orangutan using the plant Fibraurea tinctoria to treat a facial wound.

    What is Zoopharmacognosy?

    • Zoopharmacognosy is the study of how animals use natural substances like plants, soils, and insects to treat their own illnesses. 
    • The term was coined by ecologist D.H. Janzen from the University of Pennsylvania.
    • It shows that animals have an instinctive ability to find and use natural remedies. 

    Key Studies and Observations

    • Neanderthals: In 2012, a Nature publication found that Neanderthals in Northern Spain used plants like yarrow and chamomile to treat infections.

    Other Animal Species:

    • Primates: Chimpanzees eat bitter leaves, like Vernonia amygdalina, to get rid of intestinal worms.
      • Pregnant lemurs nibbling on tamarind leaves to aid milk production.
    • Reindeer: Reindeer eat mushrooms like Amanita muscaria, possibly to fight off parasites.
    • Birds: Starlings line their nests with antimicrobial plants to protect their young from diseases.
    • Elephants: Pregnant elephants in Kenya eat specific plants to help induce labor.
    • Dogs: Dogs chew grass and then vomit to clear their stomachs of infections.

    PYQ:

    [2019] Recently, there was a growing awareness in our country about the importance of Himalayan nettle (Girardinia diversifolia) because it is found to be a sustainable source of:

    (a) Anti-malarial drug

    (b) Biodiesel

    (c) Pulp for paper industry

    (d) Textile fibre

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