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Type: Prelims Only

  • ISRO’s NICES Programme Combatting Climate Change

    Why in the news?

    The National Information System for Climate and Environment Studies (NICES) Program has extended invitations to Indian researchers to contribute to climate change mitigation efforts.

    What is NICES Program?

    • The NICES Programme is operated by the ISRO and the Department of Space.
    • It was launched in 2012.
    • It operates within the framework of the National Action Plan on Climate Change.
    • NICES aims to enhance the participation of Indian researchers in addressing climate change-related challenges through multidisciplinary scientific investigations.
    • Focus Areas: Potential areas for project submission include Space-based Essential Climate Variables (ECVs) and Climate Indicators, Climate Change Challenges, Weather Extremes, and Climate Services.

    Activities held under NICES Program

    • NICES invites project proposals from Indian scientists, academicians, and researchers affiliated with various governmental organizations, recognized institutions, universities, and departments.
    • Project proposals should address climate change-related challenges.
    • These projects are expected be completed within 3 years from the date of sanction.

    Objective and Functionality

    • The primary objective of the NICES Programme is to generate and disseminate long-term Essential Climate Variables (ECVs) derived from Indian and other Earth Observation (EO) satellites.
    • These variables, spanning terrestrial, oceanic, and atmospheric domains, are crucial for characterizing Earth’s climate and monitoring changes over time.

    Achievements and Impact:

    • Since its inception in 2012, NICES has developed over 70 geophysical products meeting stringent quality standards.
    • These products have been instrumental in documenting climate change and its impacts, contributing to scientific understanding and evidence-based decision-making.

    PYQ:

    2021: Describe the major outcomes of the 26th session of the Conference of the Parties (COP) to the United Nations Framework Convention on Climate Change (UNFCCC). What are the commitments made by India in this conference?

     

    Practice MCQ:

    The NICES Program is an initiative of:

    (a) Indian Space Research Organisation (ISRO)

    (b) Indian Meteorological Department (IMD)

    (c) Department of Science and Technology (DST)

    (d) None of the above.

  • Tamil Nadu accounts for 30% of India’s electronics exports

    Why in the news? 

    Nearly 40% of India’s smartphone shipments over the past two fiscal years originated from a single district Kancheepuram.

    Context 

    • In FY23, Tamil Nadu emerged as India’s foremost exporter of electronic goods, contributing 30% to the country’s total electronic goods exports in FY24.
    • Historically, the state lagged behind Uttar Pradesh and Karnataka in this sector until FY22.
    • However, in recent years, Tamil Nadu has experienced consistent growth in electronic goods exports, unlike other states where figures have either declined or remained static.

     Chart 1 shows the electronic goods exported from Tamil Nadu in $ billion, year-wise.

    • Between April 2023 and January 2024, Tamil Nadu exported electronic goods valued at over $7.4 billion.

    Chart 2 shows the exports of electronic goods of the top five States in India in $ billion, year-wise

    • In FY24, Tamil Nadu’s exports exceeded the combined exports of Uttar Pradesh and Karnataka, which totaled $6.7 billion during that period.
    • Uttar Pradesh and Karnataka were ranked second and third, respectively, in terms of electronic goods exports.
    • Gujarat and Maharashtra, also among the top five exporting states, have experienced stagnant growth in recent years.

    Chart 3 shows the commodity wise share in total exports from India for FY24 (till February) in $ billion

    • Engineering goods were the dominant category of exports from India during the specified period, with a total value of $98 billion.
    • Petroleum products followed closely behind, with exports valued at $78 billion.
    • Gems and jewellery constituted another significant export category, with a total export value of $30 billion.
    • Electronics goods were also notable, although they ranked lower compared to other categories, with exports totaling $25 billion. In FY18, electronics goods were not among the top 10 most exported commodities from India.

     Biggest markets

    • Top most importor of India’s Electronic goods: The United States and the United Arab Emirates (UAE) are the largest markets for India’s electronic goods export. In FY24 (up to February), the U.S. accounted for approximately 35% of India’s electronic goods exports, amounting to $8.7 billion, while the UAE accounted for 12% with $3 billion.
    • Other countries share:The Netherlands and the United Kingdom (U.K.) each held a share of about 5% in India’s electronic goods exports.
    • The primary destination : Since FY21, the United States has consistently been the primary destination for India’s electronics exports, with its share increasing significantly in recent years.

    Conclusion

    Tamil Nadu’s emergence as a key electronics exporter, with 30% of India’s exports, is highlighted. Kancheepuram district’s significant role, alongside Tamil Nadu’s surpassing of Uttar Pradesh and Karnataka, underscores its growth in electronic goods exports.

     

    Mains PYQ

    Q  Can the strategy of regional-resource based manufacturing help in promoting employment in India? (UPSC IAS/2019) 

    Q Account for the failure of manufacturing sector in achieving the goal of labour-intensive exports. Suggest measures for more labour-intensive rather than capital-intensive exports.(UPSC IAS/2017)

  • 100 Years of Vaikom Satyagraha

    Why in the news?

    This year April 1st marks 100 years of the Vaikom Satyagraha, in Kottayam, Kerala.

    About Vaikom Satyagraha

    • Vaikom was the epicentre of the Vaikom Satyagraha, which began in 1924.
    • This movement aimed to challenge the ban imposed on marginalized communities from entering the vicinity of the Vaikom Mahadevar Temple in the princely state of Travancore.
    • It sparked similar temple entry movements across India, advocating for the rights of untouchables and backward castes.
    • It introduced nonviolent public protest as a method of resistance in Kerala.

    A Precursor to the Vaikom Satyagraha

    1. Social and Political Developments
    • Backdrop of Social Injustice: Travancore, characterized by feudal and caste-based governance, imposed stringent restrictions on lower castes, denying them entry to temples and public spaces.
    • Emergence of Social Consciousness: By the late 19th century, progressive reforms and missionary activities led to increased awareness and education among lower castes, particularly the Ezhavas.
    • Rise of Educated Elite: Educated individuals from diverse backgrounds, including lower castes, began to challenge social norms and demand equality in opportunities and rights.
    1. Beginning of Agitation
    • Advocacy for Change: Ezhava leader T K Madhavan spearheaded efforts to challenge temple entry restrictions, advocating for direct action to confront discriminatory practices.
    • Influence of Gandhi’s Ideals: Inspired by Gandhi’s principles of non-cooperation, Madhavan sought support from the Indian National Congress (INC) to mobilize a mass movement against untouchability.

    Actual Course of Events

    1. Agitation
    • Leaders such as T.K. Madhavan, K.P. Kesava Menon, and George Joseph spearheaded the agitation.
    • Despite facing resistance and arrests by the police, the Satyagrahis persisted in their protest for over a year, resulting in numerous arrests and jails.
    • Notable figures like Mahatma Gandhi, Chattampi Swamikal, and Sree Narayana Guru extended their support to the movement, which gained nationwide recognition.
    • The involvement of women and support from various regions, including Punjab, highlighted the widespread impact of the Satyagraha.
    1. Suspension:
    • Initially suspended in April 1924 at Gandhi’s suggestion, the movement resumed when attempts to resolve the issue with caste Hindu leaders failed.
    • The absence of leaders like T.K. Madhavan and K.P. Kesava Menon, who were arrested, posed challenges to the movement.
    • V. Ramaswamy Naicker (Periyar) lent support from Tamil Nadu before also being arrested.
    • The resolution for the right to temple entry faced resistance in the Assembly, thwarted by traditionalist support and government pressure.
    1. Aftermath
    • On October 1, 1924, a procession of Savarnas (forward castes) submitted a petition to the Regent Maharani Sethu Lakshmi Bai of Travancore, signed by around 25,000 individuals, urging for the temple’s open entry.
    • Gandhi’s meeting with the Regent Maharani and the procession led by Mannath Padmanabhan Nair underscored the growing support for the cause.
    • Eventually, on November 23, 1925, all temple gates were opened to Hindus except the eastern gate, marking a significant victory.
    • The Vaikom Satyagraha laid the groundwork for the temple entry proclamation of Kerala in 1936 and inspired similar movements’ nationwide, promoting social justice and equality.

    PYQ:

    Satya Shodhak Samaj organized (2016):

    (a) a movement for upliftment of tribals in Bihar’

    (b) a temple-entry movement in Gujarat

    (c) an anti-caste movement in Maharashtra

    (d) a peasant movement in Punjab

     

    Practice MCQ:

    The Vaikom Satyagraha of 1924 was essentially a:

    (a) Temple Entry Movement

    (b) Peasants’ Uprising

    (c) Salt Satyagraha

    (d) Swadeshi Movement

  • Recently Awarded GI Tags

    Why in the news?

    What is a GI Tag?

    • A GI is a sign used on products that have a specific geographical origin and possess qualities or a reputation that are due to that origin.
    • Nodal Agency: Department for Promotion of Industry and Internal Trade (DPIIT), Ministry of Commerce and Industry
    • India, as a member of the World Trade Organization (WTO), enacted the Geographical Indications of Goods (Registration and Protection) Act, 1999 w.e.f. September 2003.
    • GIs have been defined under Article 22 (1) of the WTO Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS) Agreement.
    • The tag stands valid for 10 years and can be renewed.

    Various GI Tags Awarded:

    Details
    Bihu Dhol (Assam) Traditional drum used during Bihu festivals
    Jaapi (Assam) Bamboo headgear worn in rural Assam
    Sarthebari metal craft (Assam) Traditional metal craft producing utensils and artifacts
    Mishing handloom products (Assam) Handwoven textiles including shawls and sarees
    Asharikandi terracotta craft (Assam) Terracotta pottery and decorative items
    Pani Meteka craft (Assam) Brass and copper utensils adorned with intricate designs
    Bodo Dokhona (Assam) Traditional attire of Bodo women
    Bodo Eri silk (Assam) Silk fabric produced from eri silkworms, known for its soft texture and eco-friendly production
    Bodo Jwmgra (Assam) Traditional scarf worn by Bodo community members
    Bodo Gamsa (Assam) Traditional dress of Bodo men
    Bodo Thorkha (Assam) Traditional musical instrument made from bamboo or wood
    Bodo Sifung (Assam) Long flute used in traditional Bodo music
    Banaras Thandai (Uttar Pradesh) Traditional drink made from milk, nuts, seeds, and spices
    Banaras Tabla (Uttar Pradesh) Pair of drums used in classical Indian music
    Banaras Shehnai (Uttar Pradesh) Traditional wind instrument used in Indian classical music
    Banaras Lal Bharwamirch (Uttar Pradesh) Red chili grown in the Banaras region
    Banaras Lal Peda (Uttar Pradesh) Popular Indian sweet made from condensed milk and sugar
    Pachra-Rignai (Tripura) Traditional dress worn by women, consisting of a wrap-around skirt and blouse
    Matabari Peda (Tripura) Sweet delicacy made from condensed milk, sugar, and ghee
    Garo Textile weaving (Meghalaya) Traditional weaving craft practiced by the Garo tribe
    Lyrnai Pottery (Meghalaya) Traditional pottery making characterized by unique designs and techniques
    Chubitchi (Meghalaya) Traditional dish made with meat, local herbs, and spices

     

    PYQ:

    Which of the following has/have been accorded ‘Geographical Indication’ status? (2015)

    1.    Banaras Brocades and Sarees

    2.    Rajasthani Daal-Bati-Churma

    3.    Tirupathi Laddu

    Select the correct answer using the codes given below:

    (a) 1 only

    (b) 2 and 3 only

    (c) 1 only 3 only

    (d) 1, 2 and 3

     

    India enacted The Geographical Indications of Goods (Registration and Protection) Act, 1999 in order to comply with the obligations to (2016):

    (a) ILO

    (b) IMF

    (c) UNCTAD

    (d) WTO

     

    Practice MCQ:

    Consider the following statements about the Geographical Indications (GI) Tag:

    1.    The Department for Promotion of Industry and Internal Trade (DPIIT), Ministry of Commerce and Industry is the nodal agency for GI.

    2.    A GI tag stands valid for 10 years and cannot be renewed.

    Which of the given statements is/are correct?

    (a) Only 1

    (b) Only 2

    (c) Both 1 and 2

    (d) Neither 1 nor 2

     

  • Empathic Voice Interface (EVI): World’s first conversational AI with Emotional Intelligence  

    Why in the news?

    • Hume, a prominent research lab and tech firm based in New York, has unveiled Empathic Voice Interface (EVI), world’s first conversational AI endowed with emotional intelligence.

    What is Empathic Voice Interface (EVI)?

    • Hume’s Empathic Voice Interface (EVI) is powered by its proprietary empathic large language model (eLLM).
    • It can decipher tones, word emphasis, and emotional cues, improving the quality of interactions.
    • As an API, EVI can integrate seamlessly with various applications, offering developers a versatile solution for implementing human-like interactions.

    Potential Applications and Future Prospects

    • Enhanced AI Assistants: Hume’s technology enables AI assistants to engage in nuanced conversations, enhancing productivity and user satisfaction.
    • Improved Customer Support: By infusing empathy into customer support interactions, Hume’s AI promises to deliver more personalized service and foster stronger relationships.
    • Therapeutic Potential: Hume’s empathetic AI holds promise in therapeutic settings, offering support and guidance by understanding and responding to human emotions.

    PYQ:

    1. What is ’emotional intelligence’ and how can it be developed in people? How does it help an individual in taking ethical decisions?  (2013)
    2. “Emotional Intelligence is the ability to make your emotions work for you instead of against you.” Do you agree with this view? Discuss. (2019)
    3. How will you apply emotional intelligence in administrative practices?  (2017)

     

    Practice MCQ:

    Which of the following statements correctly describes the Empathic Voice Interface (EVI)?

    (a) EVI operates as a standalone application, devoid of integration capabilities with other software systems.

    (b) It relies on conventional language models, neglecting emotional cues and word emphasis during interactions.

    (c) EVI, powered by its proprietary empathic large language model (eLLM), detects emotional nuances such as tones, word emphasis, and cues, enhancing interaction quality.

    (d) EVI is developed by the Microsoft.

  • Hepatitis B: Everything you need to know

    Why in the news?

    • A recent study by Sir Ganga Ram Hospital, New Delhi, revealed alarming deficiencies in public knowledge (transmission, effects & vaccination) about Hepatitis B in India.
    • Despite the availability of a vaccine for over 30 years, HBV infection rates remain high in India, with prevalence estimates ranging from 2% to 8% and approximately 37 million carriers nationwide.

    About Hepatitis

    • Hepatitis is a medical condition characterized by inflammation of the liver.
    • It can be caused by various factors, including viral infections (hepatitis viruses), alcohol consumption, certain medications, toxins, autoimmune diseases, and metabolic disorders.
    Hepatitis A Hepatitis B Hepatitis C
    Causative Virus Hepatitis A Virus (HAV) Hepatitis B Virus (HBV) Hepatitis C Virus (HCV)
    Transmission Fecal-oral route (contaminated food/water) Blood and body fluids (unsafe sex, sharing needles) Blood-to-blood contact (sharing needles, transfusions)
    Vaccine Available Yes Yes Yes
    Chronic Infection No (usually acute) Yes (can become chronic) Yes (often becomes chronic)
    Symptoms Mild flu-like symptoms, jaundice Variable, from none to severe symptoms Often asymptomatic, but can lead to liver damage
    Chronic Complications None Cirrhosis, liver cancer Cirrhosis, liver cancer
    Preventable by Vaccine Yes Yes No
    Treatment Supportive care Antiviral medications Antiviral medications

     

    PYQ:

     

    Which one of the following statements is not correct? (2019)

    (a) Hepatitis B virus is transmitted much like HIV.

    (b) Hepatitis B, unlike Hepatitis C, does not have a vaccine.

    (c) Globally, the number of people infected with Hepatitis B and C viruses are several times more than those infected with HIV.

    (d) Some of those infected with Hepatitis B and C viruses do not show the symptoms for many years.

     

    Which of the following diseases can be transmitted from one person to another through tattooing? (2013)

    1.    Chikungunya

    2.    Hepatitis B

    3.    HIV-AIDS

    Select the correct answer using the codes given below.

    (a) 1 only

    (b) 2 and 3 only

    (c) 1 and 3 only

    (d) 1, 2 and 3

     

    Practice MCQ:

     

    Consider the following statements regarding Hepatitis C virus:

    1.    It is spread mainly through contaminated water and food.

    2.    It primarily affects the functioning of respiratory system.

    Which of the statements given above is/are correct?

    (a) Only 1

    (b) Only 2

    (c) Both 1 and 2

    (d) Neither 1 nor 2

  • MHA extends FCRA Registration of NGOs

    Why in the news?

    The Ministry of Home Affairs extended till June 30 the validity of all FCRA registered NGOs whose licences are expiring on March 31.

    What is Foreign Contribution Regulation Act (FCRA)?

    • The FCRA regulates foreign donations and ensures that such contributions do not adversely affect internal security.
    • First enacted in 1976, it was amended in 2010 when a slew of new measures was adopted to regulate foreign donations.
    • The FCRA is applicable to all associations, groups and NGOs which intend to receive foreign donations.
    • It is mandatory for all such NGOs to register themselves under the FCRA.
    • The registration is initially valid for 5 years and it can be renewed subsequently if they comply with all norms.

    What contributes to Foreign Donations?

    • Foreign Contribution’ means the donation, delivery or transfer made by any foreign source of any:
    1. Article (whose market value is not more than one lakh rupees);
    2. Currency (whether Indian or foreign);
    3. Securities
    • Foreign donations may be those from Governments, international agencies, foreign companies, trusts, corporations, foreign citizens
    • However, some agencies like the UN, World Bank, IMF etc. are EXEMPTED from the definition of foreign donors.

    Who cannot accept donations under FCRA?

    According to the FCRA, foreign donations cannot be accepted by:

    1. Election candidates
    2. Editors and publishers of newspapers
    3. Judges and government employees.
    4. Political parties and members of legislature etc.

    What was the recent Amendment?

    The FCRA was amended in September 2020 to introduce some new restrictions:

    • There is now a capping of the administrative expenses of NGOs at 20% of their foreign donations.
    • The new amendment requires them to have a State Bank of India account at a Delhi Branch.
    • It also prohibits the transfer of grants received under FCRA to any other outfit.
    • It also gives sweeping powers to the Ministry of Home Affairs to cancel the FCRA certificate of an NGO.
    • It made legal for political parties to accept foreign aid through Indian subsidiaries.
    • Under the Act, the government may suspend the registration of a person for a period not exceeding 180 days.
    • Providing Aadhar is mandatory for all office bearers, directors or key functionaries of the organization.

     

    PYQ:

    2015: Examine critically the recent changes in the rule governing foreign funding of NGOs under the Foreign Contribution (Regulation) Act (FCRA), 1976.

     

    2015: How can be the role of NGOs be strengthened in India for development works relating to protection of the Environment? Discuss throwing light on the major constraints.

     

    Practice MCQ:

    Consider the following statements regarding “Foreign Contribution (regulation) Act”:

    1.    World Bank is excluded from the definition of foreign sources under the act.

    2.    Political parties are prohibited from taking foreign donations under the act.

    Which of the statements given above is/are correct?

    (a) Only 1

    (b) Only 2

    (c) Both 1 and 2

    (d) Neither 1 nor 2

  • Section 120B of the Indian Penal Code (IPC)

    Why in the news?

    • The Supreme Court has rejected review petitions challenging its ruling on the initiation of proceedings under the Prevention of Money Laundering Act (PMLA).
    • The judgment clarified that Section 120B of the Indian Penal Code cannot be invoked for PMLA proceedings unless the alleged conspiracy pertains to a scheduled offence.

    Prevention of Money Laundering Act (PMLA), 2002

     

    • The PMLA was enacted in 2002 with the aim of preventing money laundering and providing for confiscation of property derived from money laundering.
    • It applies to all financial institutions, banks (including the RBI), mutual funds, insurance companies, and their financial intermediaries.
    • The Act empowers government authorities to confiscate property and/or assets earned from illegal sources and through money laundering.
    • It has been amended three times, in 2005, 2009, and 2012.
    • Under the PMLA, the burden of proof lies with the accused, who must demonstrate that the suspect property/assets have not been obtained through proceeds of crime.

     

    Penalties under PMLA:

    • Freezing or Seizure of property and records, and/or attachment of property obtained through crime proceeds.
    • Rigorous imprisonment for a minimum of 3 years and a maximum of 7 years. In cases where money laundering is linked with the Narcotic Drugs and Psychotropic Substances Act, 1985, the punishment can extend up to 10 years, along with a fine.
    • Fine imposition.

     

    Authorities for investigation under PMLA:

    1. Enforcement Directorate (ED): It is responsible for investigating offenses under the PMLA.
    2. Financial Intelligence Unit – India (FIU-IND): It is the national agency tasked with receiving, processing, analyzing, and disseminating information related to suspect financial transactions.

    What is Article 120 of Indian Penal Code (IPC)?

    • Section 120 of the Indian Penal Code (IPC) deals with the concept of “Conspiracy to commit an offense”.
    • It states that when two or more persons agree to do, or cause to be done, an illegal act, or an act which is not illegal by illegal means, such an agreement is designated a criminal conspiracy.
    • Section 120A defines “criminal conspiracy” as when two or more persons agree to do, or cause to be done, an illegal act or an act which is not illegal by illegal means.
    • Section 120B prescribes the punishment for criminal conspiracy, with death, imprisonment for life, or rigorous imprisonment for a term of two years or upwards, shall be punished in the same manner as if he had abetted such offense.

    Punishment for Criminal Conspiracy

    • Nature of Conspiracy: IPC 120B categorizes conspiracy based on the gravity of the offense and prescribes punishments accordingly.
    • Serious Offenses: Conspiracy to commit serious crimes punishable by death, life imprisonment, or rigorous imprisonment for 2 years or more warrants severe punishment equivalent to the offense committed.
    • Other Offenses: Conspiracy for illegal acts not falling under the serious category incurs imprisonment for up to six months, a fine, or both, as per Section 120B.

    Practice MCQ:

    Which of the following statements are correct regarding ‘Prevention of Money Laundering Act 2002 (PMLA)’?

    1. Enforcement Directorate (ED) is responsible for investigating offences under the PMLA

    2. The Act enables government authorities to confiscate property earned through money laundering.

    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

     

  • Global Spread of H5N1 Bird Flu

    Why in the news?

    • Since 2020, the highly pathogenic H5N1 bird flu has been spreading globally, posing a significant threat to both birds and mammals.

    H5N1 Bird Flu: Details

    • H5N1 originated from a virus outbreak on a goose farm in China in 1996 and has since evolved into a highly pathogenic strain.
    • The virus quickly spread from Europe to Africa, Asia, North America, and South America, and most recently, it reached mainland Antarctica.
    • H5N1 is a subtype of the influenza A virus that causes severe respiratory disease in birds, known as avian influenza or “bird flu”.
    • Influenza A viruses are classified by subtypes based on the properties of their surface proteins, with H5N1 being one subtype.

    How widespread is it?

    • The virus has affected birds in over 80 countries, resulting in mass culling of poultry and wild birds.
    • Furthermore, it has now begun infecting mammals, including seals, sea lions, and marine mammals.
    • While humans rarely contract bird flu, those at risk are typically individuals who have extensive contact with infected birds at poultry farms.
    • Bird flu first broke out in Maharashtra in 2006.
    • The H5N1 virus led to the culling of millions of poultry so as to contain the virus. But it has resurfaced from time to time.

    Impact on Animals

    • Bird Species Affected: Numerous bird species, including Great Skuas and Barnacle Geese, have experienced significant mortality rates due to H5N1.
    • Endangered Species Threatened: Endangered birds like the California condors have been severely affected, with a notable percentage of the population succumbing to the virus.
    • Mammalian Casualties: H5N1 has crossed species barriers, infecting mammals such as foxes, pumas, skunks, and marine mammals like sea lions and dolphins.
    • Devastating Consequences: Mass mortalities of marine mammals, particularly elephant seals, have been reported, raising concerns about the long-term ecological impact.

    Factors behind Spread

    • Climate Change: Some scientists attribute the large-scale spread of bird flu to climate change, which alters bird behavior and facilitates the transmission of the virus.
    • Warmer Seas: Warmer sea temperatures have weakened marine mammal populations, making them more susceptible to disease outbreaks.

    PYQ:

     

    2015: H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?

    (a) AIDS

    (b) Bird flu

    (c) Dengue

    (d) Swine flu

     

    Practice MCQ:

    How many of the given statements about H5N1 Virus is/are correct?

    1.    It is a type of influenza virus causing highly infectious, respiratory disease in birds.

    2.    It is highly contagious in humans.

    3.    Seals, sea lions, and other marine mammals are vulnerable to this Virus.

    Select the correct codes from below –

    (a) One

    (b) Two

    (c) Three

    (d) None

  • Discovery of Amino Acid unveils How Light makes Stomata Open in Plants

    Why in the news?

    Scientists from Nagoya University have made a discovery about the regulation of Stomatal opening in plants, a process vital for efficient photosynthesis by a type of amino acid threonine (Thr881).

    What are Stomatal Openings?

    • Stomata are microscopic pores on plant leaves crucial for gas exchange.
    • They particularly uptake carbon dioxide necessary for photosynthesis.

    How does Light make Stomata Open?

    • Research unveiled a novel regulatory mechanism involving the phosphorylation of the 881st threonine residue (Thr881) of the plasma membrane proton pump in response to red and blue light.
    • Phosphorylation, a process involving the addition or removal of a phosphate group from amino acids, acts as a regulatory switch, influencing protein structure and function.
    • The researchers focused on the phosphorylation of Thr881 and its role in stomatal opening.
    • They observed phosphorylation in response to both red and blue light conditions, highlighting the interplay between photosynthesis and light signaling.

    Significance of Thr881 Phosphorylation

    • Mutant studies confirmed the critical role of Thr881 phosphorylation in stomatal opening.
    • Plants expressing a mutant proton pump lacking Thr881 phosphorylation exhibited reduced stomatal aperture and transpiration rates, emphasizing the regulatory significance of this amino acid residue.
    • The study identified Thr881, along with Thr948, as crucial phosphorylation sites for the activation of the enzyme H+-ATPase, essential for stomatal opening.
    • Manipulating Thr881 could offer avenues for promoting plant growth, enhancing carbon dioxide absorption, and reducing fertilizer usage.

    PYQ:

    2014: Which one of the following is the process involved in photosynthesis?

    a)    Potential energy is released to form free energy

    b)    Free energy is converted into potential energy and stored

    c)    Food is oxidized to release carbon dioxide and water

    d)    Oxygen is taken, and carbon dioxide and water vapour are given out

     

    Practice MCQ:

    What is the significance of phosphorylation of the threonine residue (Thr881) in the context of plants?

    a)    It helps in reducing carbon dioxide uptake and photosynthesis efficiency.

    b)    It enhances photosynthesis in dark conditions.

    c)    It reduces transpiration leading to enhanced water conservation.

    d)    It is essential for regulating stomatal aperture and facilitating gas exchange in plants.