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Type: Prelims Only

  • BARC ratings for news channels to resume soon

    Ratings by Broadcast Audience Research Council (BARC) for the news channels will resume, after the organisation revised its procedures and protocols.

    The ratings were suspended after the Mumbai police busted a racket involving a private channel’s efforts to tamper the TRPs.

    Try this question:

    Q.What do you mean by “TRP Journalism”? Discuss the loopholes in the present system of self-regulation in Indian media.

    What is TRP?

    • In simple terms, anyone who watches television for more than a minute is considered a viewer.
    • The TRP or Target Rating Point is the metric used by the marketing and advertising agencies to evaluate this viewership.
    • In India, the TRP is recorded by the Broadcast Audience Research Council (BARC) using Bar-O-Meters that are installed in televisions in selected households.
    • As on date, the BARC has installed these meters in 44,000 households across the country. Audio watermarks are embedded in video content prior to broadcast.
    • These watermarks are not audible to the human ear, but can easily be detected and decoded using dedicated hardware and software.
    • As viewing details are recorded by the Bar-O-Meters, so are the watermarks.

    What is BARC?

    • It is an industry body jointly owned by advertisers, ad agencies, and broadcasting companies, represented by The Indian Society of Advertisers, the Indian Broadcasting Foundation and the Advertising Agencies Association of India.
    • Though it was created in 2010, the I&B Ministry notified the Policy Guidelines for Television Rating Agencies in India on January 10, 2014, and registered BARC in July 2015 under these guidelines, to carry out television ratings in India.

    How are the households selected?

    • Selection of households where Bar-O-Meters are installed is a two-stage process.
    • The first step is the Establishment Survey, a large-scale face-to-face survey of a sample of approximately 3 lakh households from the target population. This is done annually.
    • Out of these, the households which will have Bar-O-Meters or what the BARC calls the Recruitment Sample are randomly selected. The fieldwork to recruit households is not done directly by BARC.
    • The BARC on its website has said that the viewing behaviour of panel homes is reported to BARC India daily. Coincidental checks either physically or telephonically are done regularly.

    Vigilance activities by BARC

    • Certain suspicious outliers are also checked directly by BARC India.
    • BARC India also involves a separate vigilance agency to check on outliers that it considers highly suspicious.
    • And as per the guidelines of the Ministry of Information and Broadcasting, these households rotate every year.
    • This rotation is in such a manner that older panel homes are removed first while maintaining the representativeness of the panel.
    • The Ministry guidelines further say that the secrecy and privacy of the panel homes must be maintained, and asked the BARC to follow a voluntary code of conduct.

    What are the loopholes in the process?

    • Several doubts have been raised on many previous occasions about the working of the TRP.
    • As per several reports, about 70% of the revenue for television channels comes from advertising and only 30% from subscriptions.
    • It is claimed that households were being paid to manipulate the TRP.

     

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  • National Ambient Air Quality Standards (NAAQS)

    Delhi and most of the other non-attainment cities under the National Clean Air Programme (NCAP) have shown only a marginal improvement, said a new analysis released.

    About NCAP

    • The NCAP was implemented across India in 2019 to reduce particulate matter levels in 132 cities by 20-30% in 2024.
    • Cities are declared non-attainment if they consistently fail to meet the National Ambient Air Quality Standards (NAAQS) over a five-year period.

    What are NAAQ standards?

    • The mandate provided to the Central Pollution Control Board (CPCB) under the Air (Prevention and Control of Pollution) Act empowers it to set standards for the quality of air.
    • Hence the current National Ambient Air Quality Standards were notified in November 2009 by the CPCB.
    • Prior to this, India had set Air Quality standards in 1994, and this was later revised in 1998.
    • The 2009 standards further lowered the maximum permissible limits for pollutants and made the standards uniform across the nation.
    • Earlier, less stringent standards were prescribed for industrial zones as compared to residential areas.

    Pollutants covered:

    • Sulphur Dioxide (SO2)
    • Nitrogen Dioxide (NO2),
    • Particulate Matter (size less than 10 µm) or PM 10
    • Particulate Matter (size less than 2.5 µm) or PM2.5
    • Ozone (O3)
    • Carbon Monoxide (CO)
    • Ammonia (NH3)

    (Air Pollutants that most of us NEVER heard of:)

    • Lead
    • Benzene (C6H6)
    • Benzo(a)Pyrene (BaP)
    • Arsenic(As)
    • Nickel (Ni)

    Source: Arthpaedia

     

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  • What is Samba Cultivation?

    Around four lakh more acres have been brought under the Crop Insurance Scheme for the Samba Cultivation season of 2021-22 in Tamil Nadu.

    What is Samba Cultivation?

    • It is a Tamil name for paddy cultivation season.
    • Other paddy seasons in Tamil Nadu include:
    1. Kuruvai: June-July
    2. Samba: August
    3. Late Samba / Thaladi: September- October
    4. Navarai: December- January

    Back2Basics: Major crop seasons

    (1) Kharif Crop

    • Kharif crops, monsoon crops, or autumn crops are cultivated and harvested in the monsoon season.
    • The farmers sow seeds at the beginning of the monsoon season and harvest them at the end of the season. i.e., between September and October.
    • Kharif crops need a lot of water and hot weather for proper growth.
    • Examples: Rice, Maize, Millet, Soybean, Arhar, Cotton. etc.

    (2) Rabi Crop

    • Rabi means spring in Arabic. Crops grown in the winter season [October to December] and harvested in the spring season [Aril-May] are called Rabi crops.
    • These crops require a warm climate for germination and maturation of seeds and need a cold environment for their growth.
    • Rain in winter spoils the Rabi crop but is good for the Kharif crop.
    • Examples: Wheat, Gram, Barley, Peas, Oats, Chickpea, Linseed, Mustard, etc.

    (3) Zaid Crop

    • Zaid crops are grown between Kharif and Rabi Seasons, i.e., between March to June.
    • They require warm, dry weather as a vital growth period and longer day length for flowering.
    • Zaid crop is significant for farmers as it gives fast cash to the farmers and is also known as gap-filler between two chief crops, Kharif and Rabi.
    • Examples: Cucumber, Pumpkin, Bitter gourd, Watermelon, Muskmelon, Sugarcane, Groundnut, Pulses, etc.

     

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  • Veer Baal Diwas to be observed on December 26

    Prime Minister has declared that December 26 shall henceforth be marked as Veer Baal Diwas to pay homage to the courage of the Sahibzades, four sons of Guru Gobind Singh, the last Sikh guru.

    What is the legend of Sahibzades?

    • The word “Sahibzada” means “son” in Punjabi and is a term commonly used to refer to the 4 sons of Guru Gobind Singh, the tenth Sikh Guru.
    • The week of 21 to 27 December is celebrated as the Sacrificial Week in memory of the four Sahibzadas who made sacrifices for the protection of Sikhism and Hinduism.
    • Sahibzada Ajit Singh, Jujhar Singh, Zorawar Singh and Fateh Singh got martyrdom while saving their religious faiths against forceful conversion.

    Their martyrdom: A backgrounder story

    • After the establishment of the Khalsa Panth, Guru Gobind Singh left the fort of Sri Anandpur Sahib with his family on 20-21 December 1704 to fight the invasion by Aurgangzeb.
    • The elder sahibzade Ajit Singh, Jujhar Singh stayed with Guru ji, while the younger sons Zorawar Singh and Fateh Singh were with Mata Gujri ji.
    • Subedar Wazir Khan of Sirhind arrested the two Sahibzades subsequently and lured them for religious conversion.
    • In the end, it was announced to get them elected in the living walls.
    • The rest two sahibzades got assassinated in the battle of Chamkaur (1705).

    Implications of their martyrdom

    • When the news of this reached Guruji, he wrote a zafarnama (letter of victory) to Aurangzeb, in which he warned Aurangzeb that the Khalsa Panth was ready to destroy your empire.
    • Baba Banda Singh Bahadur took revenge for the martyrdom of Guruji’s Sahibzadas.
    • He punished Wazir Khan for his deeds in Sirhind and established Sikh hegemony over the entire area.
    • The result of this sacrifice was that later a large Sikh empire emerged under the leadership of Maharaja Ranjit Singh.

    A historic event in Indian History

    • This event is an important part of Indian history and the occasion of their martyrdom is remembered and commemorated both with great vigor and sorrow.
    • The names of Sahibzades are reverently preserved and are recalled every time Ardas (prayer) of supplication is recited at a congregation or privately by an individual.

     

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  • Zebrafish study reveals how the brain makes its connections

    Recent work by researchers at the National Centre of Biological Sciences, Bengaluru, has thrown light on what stimulates the synapses (connection of nerve cells) to form.

    What are Synapses?

    • Neurons, or nerve cells, in the brain connect by means of junctions known as synapses through which they transmit signals.
    • There are two types of synapses – chemical and electrical:

    (1) Chemical Synapse

    • In this, there is a space of about 20 nanometres between two neurons, and the way they communicate is this: One neuron converts electrical signal into chemical signals.
    • This chemical is released into the synaptic space and the receiving neuron converts the chemical signal back into an electrical signal.

    (2) Electrical synapse

    • In these synapses, the two neurons have a physical connection and the conversion of electrical to chemical need not occur, and they communicate directly.
    • Electrical synapses are like a physical wire, communication is faster but they are also fewer in number.

    Observing these synapses

    • Researchers from TIFR-National Centre of Biological Sciences, Bengaluru, have chosen Zebrafish as a model organism to study this process.
    • Zebrafish are transparent and neuron development in larval zebrafish can be observed from day to day by injecting a dye or by engineering the fish to express fluorescent proteins.
    • It was observed that electrical synapses are formed before chemical synapses, they are like a blueprint in which neurons make a handshake. This results in the making of chemical synapses.
    • Research on organisms such as leeches showed that if you remove electrical synapses, the chemical synapses do not form.
    • However, the mechanism of how it happens in higher organisms such as vertebrates was not known.

    What induces these synapses?

    • The group observed that knocking out a particular protein known as the gap junction delta 2b (gjd2b) in the cerebellum of zebrafish affected levels of the enzyme CaMKII.
    • Levels of CaMKII were seen to increase in the Purkinje neurons in the cerebellum.
    • These neurons and the cerebellum itself control coordination of movements in the organism.

    Why study this?

    • In humans for example, excess abuse of alcohol leads to damage of these cells, which results in lack of coordination in movement.
    • The cerebellum shows an evolutionary continuity in all vertebrates, so, too, the Purkinje neurons.
    • Even though fish and humans diverged from a common ancestor about 500 million years ago, the cerebellum has been evolutionarily conserved.
    • While zebrafish have about 300-400 Purkinje neurons, humans have thousands of these.

     

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  • What are the First Advance Estimates of GDP?

    The Ministry of Statistics and Programme Implementation (MoSPI) has released the First Advance Estimates (FAE) for the current financial year (2021-22 or FY22).

    Tap to read more about:

    National Income Determination, GDP, GNP, NDP, NNP, Personal Income

    What is GDP?

    • GDP measures the monetary value of all goods and services produced within the domestic boundaries of a country within a timeframe (generally, a year).
    • It is slightly different from the other commonly used statistic for national income — the GNP.
    • The Gross National Product (GNP) measures the monetary value of all goods and services by the people and companies of a country regardless of where this value was created.

    GDP estimates for FY22

    • According to MoSPI, India’s GDP will grow by 9.2 per cent in 2020-21.
    • Last financial year, FY21, the GDP had contracted by 7.3%.

    What are the First Advance Estimates of GDP?

    • The FAE, which were first introduced in 2016-17, are typically published at the end of the first week of January.
    • They are the “first” official estimates of how GDP is expected to grow in that financial year.
    • But they are also the “advance” estimates because they are published long before the financial year (April to March) is over.
    • It is important to note that even though the FAE are published soon after the end of the third quarter (October, November, December), they do not include the formal Q3 GDP data.
    • Q3 data is published at the end of February as part of the Second Advance Estimates (SAE).

    Significance of FAE

    • Budgetary calculations: Since the SAE will be published next month, the main significance of FAE lies in the fact that they are the GDP estimates that the Union Finance Ministry uses to decide the next financial year’s budget allocations.
    • Basis for nominal GDP: From the Budget-making perspective, it is important to note what has happened to nominal GDP — both absolute level and its growth rate. That’s because nominal GDP is the actual observed variable.

    Note: Real GDP, which is the GDP after taking away the effect of inflation, is a derived metric. All Budget calculations start with the nominal GDP.

    Real GDP = Nominal GDP — Inflation Rate

    The difference between the real and nominal GDP shows the levels of inflation in the year.

    How are the FAE arrived at before the end of the concerned financial year?

    Ans. Benchmark-Indicator method

    • The FAE are derived by extrapolating (uses ratio and proportion) the available data.
    • The approach for compiling the Advance Estimates is based on Benchmark-Indicator method.
    • In this, the estimates available for the previous year (2020-21 in this case) are extrapolated using relevant indicators reflecting the performance of sectors.”

    What are the main takeaways?

    #1 GDP Growth

    • At 9.2%, the real GDP growth rate for FY22 is slightly lower than most expectations, including RBI’s, which pegged it at 9.5%.
    • These estimates are based on data before the rise of the Omicron variant.

    #2 Role of high inflation

    • For FY22, while real GDP (with 2011-12 base prices) will grow by 9.2%, nominal GDP (calculated using current market prices) will grow by a whopping 17.6%.
    • The difference between the two growth rates — about 8.5 percentage points — is essentially a marker of inflation (or the rate at which average prices have increased in this financial year).

    #3 Private consumption continues to struggle

    • The FAE analyses the three main contributors to GDP — private consumption demand, investments in the economy, and government expenditures.
    • It shows that while the latter two are expected to claw back to the pre-Covid level, the first engine will continue to stay in a slump.

    #4 Average Indian is much worse off

    • For the bulk of the Indian population, thus, aggregate data recovering to pre-Covid levels are largely academic.
    • An average Indian has lost almost 2 years in terms of income levels and 3 years in terms of spending levels.

    Try this PYQ:

    Q. In the context of Indian economy, consider the following statements:

    1. The growth rate of GDP has steadily increased in the last five years.
    2. The growth rate in per capita income has steadily increased in the last five years.

    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

     

    Note: There can be no absolute answers to such questions unless the year is mentioned. Still try to substantiate your answer with the FY21 context.

     

    [wpdiscuz-feedback id=”k4u3k21e1t” question=”Please leave a feedback on this” opened=”1″]Do post it here.[/wpdiscuz-feedback]

     

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  • Omisure: India’s first RT-PCR kit to identify Omicron strain

    Omisure — India’s first home-grown testing kit has recently received approval from the Drugs Controller General of India.

    About Omisure

    • Omisure is an omicron detecting RT-PCR kit developed by the Mumbai-based Tata Medical and Diagnostics Ltd (TATA MD) in partnership with the Indian Council of Medical Research (ICMR).
    • It can differentiate the omicron strain of the novel coronavirus from the delta, alpha and the other variants in under four hours.
    • It can diagnose this variant in a single step

    How does it work?

    • This new kit can identify the Omicron variant by targeting two regions of the S or the spike gene.
    • This gene codes for the spike protein, which helps the novel coronavirus enter and infect human cells.
    • The S, the Enveloped (E), and Nucleocapsid (N) genes are some of the targets of conventional RT-PCR tests.
    • When it detects these genes, a patient sample is labelled positive. As omicron bears heavy mutations in the S gene, the RT-PCR can sometimes miss it.
    • The absence of S gene likely indicates omicron’s presence.
    • This is called S gene dropout or S gene target failure — and is one of the targets of Omisure.

    How does Omisure compare with gene sequencing?

    • Gene sequencing reads the order of nucleotides, which are the building blocks of deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
    • Despite being considered the gold standard, sequencing has a few limitations.
    • It is slow, expensive and complicated. It is a multi-step process.
    • It begins with extracting the virus’ RNA from patient samples, converting it into DNA, amplifying or multiplying it through RT-PCR before finally sending it for gene sequencing.
    • This entire process can take as many as three days.

    Back2Basics:

    PCR Test for Diagnosis of the COVID-19

     

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  • Exercise Sea Dragon 22

    India is among the six Indo-Pacific nations participating in Exercise Sea Dragon 22.

    Sea Dragon 22

    • It is a multi-lateral anti-submarine warfare exercise in the Pacific Ocean hosted by the US.
    • The exercise includes the navies of India, Australia, Canada, Japan, the US and South Korea.
    • India, Japan, Australia and America are also part of the Quad, and also participate in the Malabar exercise.
    • It includes in-flight training, ranging from tracking simulated targets to the final problem of tracking a live US Navy submarine.

    Significance of the exercise

    • The exercise is significant as almost all of the participating countries have strained relations with China.
    • China is expanding its prowess in the Indo-Pacific under its Look West Policy.

    Also, take time to read about all major exercises:

    Various Defence Exercises in News

     

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  • What are Scheduled Banks?

    The Reserve Bank of India (RBI) has informed that Airtel Payments Bank Ltd. has been categorized as a Scheduled Bank.

    Why such a move?

    • With this, the bank can now pitch for government-issued Requests for Proposals (RFP) and primary auctions.
    • It can undertake both Central and State Government businesses participating in government-operated welfare schemes.

    What are Scheduled Banks?

    • Scheduled Banks refer to those banks which have been included in the Second Schedule of Reserve Bank of India Act, 1934.
    • Reserve Bank of India (RBI) in turn includes only those banks in this Schedule which satisfy the criteria laid down vide section 42(6)(a) of the said Act.
    • Every Scheduled bank enjoys two types of principal facilities: it becomes eligible for debts/loans at the bank rate from the RBI; and, it automatically acquires the membership of clearing house.
    • Banks not under this Schedule are called Non-Scheduled Banks

    Types of Scheduled Banks

    There are two main categories of commercial banks in India namely:

    1. Scheduled Commercial banks
    2. Scheduled Co-operative banks

    Scheduled commercial Banks are further divided into 5 types as below:

    1. Nationalised Banks
    2. Development Banks
    3. Regional Rural Banks
    4. Foreign Banks
    5. Private sector Banks

    Payment bank (currently four banks Airtel Payments Bank, Fino Payments Bank, India Post Payments Bank, Paytm Payments Bank have been granted Scheduled bank status).

    Scheduled Co-operative banks are further divided into 2 types namely:

    1. Scheduled State Co-operative banks
    2. Scheduled Urban Co-operative banks

     

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  • India’s first open Rock Museum in Hyderabad

    The Ministry of Science & Technology has inaugurated India’s first open rock museum displaying different types of rocks gathered from different States of ages ranging from 3.3 billion years to around 55 million years.

    Rock System in India

    Based on this complex and varied geological history, the Geological Survey of India has classified rock systems of the country into 4 major divisions:

    1. Archaean Rock System
    2. Dravidian Rock System
    3. Purana Rock System
    4. Aryan Rock System

    [I] Archaean Rock System:

    The Archaean group of rocks consists of two systems-(a) Achaean granites and gneisses, and (b) Dharwarian sedimentary:

    Archaean Gneisses and Schists (pre-2500 million years)

    • The Archean System contains the first formed rocks of the earth.
    • The rocks are primarily gneisses and granites, having no marks of fossils.
    • They often underlie the strata formed subsequently and the system is generally known as the basement complex or fundamental gneisses.
    • The Archaean rocks cover two-thirds of peninsular India. They also occur in the roots of the mountain peaks all along the Greater Himalayas, trans-Himalayan ranges of Zaskar, Ladakh and Karakoram.

    Dharwar System (2500-1800 million years ago)

    • The weathering of the Archaean rocks yielded the earliest sediments and formed the oldest sedimentary strata, the Dharwar system.
    • These are found today in metamorphic forms and do not contain fossils.
    • These rocks occur in scattered patches in parts of Karnataka, Tamil Nadu, central and eastern parts of Chotanagpur plateau, Meghalaya plateau, Aravalis, Himalayan region etc

    Mineral contents:

    • They contain gneisses (which range from granite to gabbro) and schists (crystalline rocks such as mica, talc etc.).
    • These rocks have metallic and non-metallic minerals like copper, tin, graphite, lead, zinc, etc.

    [II] Dravidian Rock System:

    • This is also known as carboniferous rock system and formed during the Paleozoic era, i.e., from 600- 300 million years ago.
    • They are not much abundant in India.
    • They have plentiful fossils and beginning of coal formation can be seen in this period. The quality of carboniferous coal is high.
    • They are found in extra- Peninsular regions of the Himalayas and the Gangetic plains.

    Mineral content

    • This type of rock system comprises of limestones, shale and quartzite and Mount Everest is formed of upper Carboniferous limestones.
    • Most of the coal is not of the Carboniferous period, which is found in India.
    • The meaning of Carboniferous in geology is coal-bearing.

    [III] Purana Rock System:

    The Purana rock system has two divisions: Cuddapah system and Vindhyan system. The word ‘Purana’ was used in place of a Proterozoic era in India.

    Cuddapah Rock system:

    • They are observed in Cuddapah districts of Andhra Pradesh.
    • The non-fossiliferous clay, slates, sandstones and limestones were accumulated in the depression between two-fold mountains which is known as synclinal basins.
    • They also have a large accumulation of building purpose cement grade limestones and quartzites.
    • This type of rock contains ore of iron, cobalt, nickel, manganese etc.

    Vindhya Rock System:

    • This type of rock system is also ancient or old sedimentary rocks which are superimposed on the Archaean rock base and derived its name from Vindhya mountains.
    • The recognition of fossils is negligible, only traces of few animal and plant life were found.
    • This rock system has diamond-bearing regions from which Golconda and Panna diamond mined.

    [IV] Aryan Rock System

    The Aryan rock system in India has the following four subsystems:

    1. Gondwana rock system
    2. Jurassic Rock System
    3. Cretaceous system/ Deccan Trap
    4. Tertiary rock system

    (1) Gondwana Rock System:

    • These are found mainly in Raniganj, Jharia regions of Jharkhand, Damodar valley, Pench valley in Chhattisgarh and Madhya Pradesh.
    • They are called so after the name of Gondwana tribe (indigenous people especially residing in Telangana and Andhra Pradesh region).
    • In this type of rock system, you found metallic minerals like iron, manganese, uranium etc. other than coal.
    • They have low carbon content as it is much younger than Carboniferous coal. These rocks have nearly 98% of India’s coal reserve.

    (2) Jurassic Rock System

    • During the latter part of Jurrasic when sea level rises as compared to land and shoreline moves towards ground or land which result in a flood. In geology, this phenomenon is called marine transgression.
    • This gives rise to a thick series of shallow-water deposits kin Rajasthan and Kutch. Between the Guntur and Rajamundry, another transgression in the east coast of Peninsula.
    • In Kuchchh, coral limestone, shales and conglomerates are found.

    (3) Deccan traps

    • These are formed by the flow of magma over the solidified rock system in layers.
    • Deccan trap gets rise due to volcanic outburst over a major area of Peninsular India from the end of Cretaceous till the beginning of Eocene.
    • The meaning of trap is “stair” or “step” in Swedish and called due to deposition of the volcanic outburst which has a flat top and steep sides.
    • It is mainly found in parts of Kuchchh, Saurashtra, Maharashtra, the Malwa plateau and Northern Karnataka and presently cover near 5 lakh sq. Km.
    • Regur, which is black soil, is formed due to the weathering of these rocks for a long time.

    (4) Tertiary rock system

    • The formation of this type of rock system occurs from 60 to 7 million years ago.
    • It is the most noteworthy period in India’s geological history as the Himalayas were born and recent form came in this period.

    Also read:

    The Geological Structure of India

     

     

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