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15th April 2021 | Prelims Daily with Previous Year Questions

[WpProQuiz 597]

[WpProQuiz_toplist 597]

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April 15, 2021
Tackling second Covid wave
The article suggests ways to deal with the second wave of Covid in India.

What explains the bigger second wave
- The size of any epidemic is a function of three things:
- 1) The size of the pool of the susceptible population.
- 2) The pattern of contact between the members of the population (frequency, mix, closeness and duration).
- 3) Probability of spread during that contact (infectiousness of the agent).
Let us have a look at these 3 factors in the current context
- As many people have already been infected in the first wave, the pool of susceptibles should be smaller.
- Serosurveys also support this as they found that about 25 per cent of people had already been infected nationally.
- However, this is an average and hides significant variations by state, age and place of residence.
- Populations with lower seroprevalence become the potential pool for the second wave.
- Given India’s large population base, the actual number of people are sufficiently large to enable multiple waves till we achieve a more even spread of protected people.
- The persistence of protectiveness of antibodies of those already infected and their cross-protectiveness to newer strains is not well established.
- Vaccination would reduce the pool of susceptibles.
- However, the current level of vaccination coverage is not sufficient to make a significant difference to this wave, given the fact that we are already riding it.
- It is a good strategy to prevent the next wave, if we can achieve substantial coverage with it.
- Vaccination also prevents severe disease, and hence reduces the death toll.
- With the removal of most restrictions, the probability of contact between individuals has risen sharply.
Way forward
- What can and should be avoided are super-spreader events like a crowded park, the Kumbh mela, election rallies, etc.
- A much stronger community engagement with a robust communication strategy and lesser emphasis on “criminalising” inappropriate behaviour is required.
- A nuanced communication campaign is the need of the hour and is conspicuous by its complete absence.
- What is urgently needed is a robust evidence-based communication campaign.
- Such a campaign would involve proactive serial assessment of the community perceptions and concerns, testing and refining messages through an evolving campaign.
- A district-specific strategy of “test, trace, treat” along with containment measures (isolation and quarantine) is still the best way to deal with the situation.
- We also need to put a stop to political bickering; it erodes public trust and confidence.
Conclusion

Dealing with the second wave should be based on the experience drawn from dealing with the first wave and complemented by a better communication strategy.
April 15, 2021
All gold jewellery to bear hallmark
The Centre will go ahead with its plan to mandate hallmarking of gold jewellery from June 1. The plan had been delayed due to the COVID-19 pandemic.

Note: Gold hallmarking is a purity certification and is voluntary at present.

What is Hallmark Gold?
- The process of certifying the purity and fineness of gold is called hallmarking.
- Bureau of Indian Standards, the National Standards Body of India, is responsible for hallmarking gold as well as silver jewellery under the BIS Act.
- If you see the BIS hallmark on the gold jewellery/gold coin, it means it conforms to a set of standards laid by the BIS. Hallmarking gives consumers assurance regarding the purity of the gold they bought.
- That is, if you are buying hallmarked 18K gold jewellery, it will actually mean that 18/24 parts are gold and the rest is alloy.
Here are the four components one must look at the time of buying gold (they are mentioned in the laser engraving of a hallmark seal):
1. BIS Hallmark: Indicates that its purity is verified in one of its licensed laboratories
2. Purity in carat and fineness (corresponding to given caratage KT)
  - 22K916 (91.6% Purity)
  - 18K750 (75% Purity)
  - 14K585 (58.5% Purity)
3. Assaying & Hallmarking Centre’s mark
4. Jeweler’s unique identification mark
Try this PYQ from CSP 2017:

Q. Consider the following statements:
1. The Standard Mark of the Bureau of Indian Standards (BIS) is mandatory for automotive tyres and tubes.
2. AGMARK is a quality Certification Mark issued by the Food and Agriculture Organisation (FAO).

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

Why such a move now?
- As per the new rules, if jewellery or an artefact made of 14-, 18- or 22-carat gold is sold without the BIS hallmark, the jeweller could be penalized five times the cost of the object or imprisoned for up to one year.
- About 40% of gold jewellery is sold with a hallmark.
- Mandatory hallmarking would protect the public against lower caratage and ensure consumers did not get cheated while buying gold ornaments and got the purity as marked on the ornaments.
April 15, 2021
Register of Indigenous Inhabitants of Nagaland (RIIN)
An apex body of Naga tribes has asked the Nagaland government not to be hasty with the exercise to prepare the Register of Indigenous Inhabitants of Nagaland (RIIN), seen as a variant of Assam’s National Register of Citizens.

Register of Indigenous Inhabitants of Nagaland (RIIN)
- The Government of Nagaland has decided to set up a Register of Indigenous Inhabitants of Nagaland (RIIN) with the aim of preventing fake indigenous inhabitants’ certificates.
- The RIIN will be the master list of all indigenous inhabitants of the state.
How will the list be prepared?
- The RIIN list will be based on “an extensive survey”.
- It will involve official records of indigenous residents from rural and (urban) wards and would be prepared under the supervision of the district administration.
- The preparation of the list will start from July 10, 2019, and the whole process will be completed within 60 days from the start.
- Designated teams of surveyors will be formed within seven days from the date of publication of the notification, and thereafter these teams will be sent across each village and ward.
- The database will note each family’s original residence, current residence as well as the concerned Aadhaar
What is the review procedure?
- Respondents will be given an opportunity to make their case before the authorities.
- Eventually, respective Dy. Commissioners will adjudicate on the claims and objections based on official records and the evidence produced.
- This process will be completed before December 10, 2019.
Unique identity through Indigenous Inhabitant Certificate
- Based on the adjudication and verification, a list of indigenous inhabitants will be finalised and each person will be given a unique ID.
- The final list or the RIIN will be created and its copies will be placed in all villages and ward.
- Electronic copies of the list will also be stored in the State Data Centre. A mechanism or electronic and SMS-based authentication will be put in place.
- All indigenous inhabitants of the state would be issued a barcoded and numbered Indigenous Inhabitant Certificate.
- The process will be conducted across Nagaland and will be done as part of the online system of Inner Line Permit (ILP), which is already in force in Nagaland.
Back2Basics: Inner Line Permit (ILP)
- ILP is an official travel document required by Indian citizens residing outside certain “protected” states while entering them.
- The ILP is issued by the Govt. of India and is obligatory for all those who reside outside the protected states.
- With the ILP, the government aims to regulate movement to certain areas located near the international border of India.
- ILP’s origin dates back to the Bengal Eastern Frontier Regulations, 1873, which protected the British Crown’s interest in tea, oil and elephant trade.
- It prohibited “British subjects” or Indians from entering these protected areas.
- After Independence, in 1950, the word “British subjects” was replaced by Citizens of India and the focus of the ban on free movement was explained as a bid to protect tribal cultures in northeastern India.
April 15, 2021
Sushil Chandra appointed Chief Election Commissioner
The President has appointed Election Commissioner Sushil Chandra to take over as Chief Election Commissioner.

Chief Election Commissioner
- The Chief Election Commissioner (CEC) of India heads the Election Commission of India.
- The ECI is a body constitutionally empowered to conduct free and fair elections to the national and state legislatures and of President and Vice-President.
- This power of the Election Commission of India is derived from Article 324 of the Constitution of India.
- CEC of India is usually a member of the Indian Civil Service and mostly (not necessarily) from the Indian Administrative Service.
His/ Her Removal
- It is very difficult to remove the authority of the Chief Election Commissioner once appointed by the president.
- The two-thirds of the Lok Sabha and the Rajya Sabha need to present and vote against him for disorderly conduct or improper actions.
April 15, 2021
Indian Rhino Vision 2020
The ambitious Indian Rhino Vision 2020 (IRV 2020) came to a close with the release of two rhinos — an adult male and a female — in Assam’s Manas National Park transported from Pobitora Wildlife Sanctuary about 185 km east.

Try this PYQ:

Q.Recently there was a proposal to translocate some of the lions from their natural habitat in Gujarat to which one of the following sites?

(a) Corbett National Park

(b) Kuno Palpur Wildlife Sanctuary

(c) Mudumalai Wildlife Sanctuary

(d) Sariska National Park

What is IRV 2020?
- In 2005, conservationists, alongside the Bodoland Territorial Council and the Government of Assam, came together to develop a long-term strategy to manage the species.
- Their vision was ambitious; to build a 3,000-strong wild population of Greater one-horned rhinos by 2020, spread across seven sites in the state of Assam.
- Thus the “Indian Rhino Vision 2020” (IRV2020) was born.
Success of the IRV
- Designed in 2005, the IRV2020 is believed to have achieved its target of attaining a population of 3,000 rhinos in Assam.
- But the plan to spread the Rhinoceros unicornis across four protected areas beyond Kaziranga National Park, Orang National Park and Pobitora could not materialise.
- Assam had at least five rhino-bearing areas till the 1980s.
- Manas, in focus for the near-extinction of the pygmy hog, lost the World Heritage Site tag it received in 1985 along with Kaziranga from the UNESCO.
- The translocated rhinos helped Manas National Park get back its World Heritage Site status in 2011.
April 15, 2021
[pib] Narrow-Line Seyfert 1 (NLS1) Galaxy
Astronomers have discovered a new active galaxy identified as the farthest gamma-ray emitting galaxy that has so far been stumbled upon. This active galaxy called the Narrow-Line Seyfert 1 (NLS1) galaxy.

Try this PYQ:

Q.Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the Earth. What is the significance of this observation?

(a) ‘Higgs boson particles’ were detected.

(b) ‘Gravitational waves’ were detected.

(c) Possibility of inter-galactic space travel through ‘wormhole’ was confirmed.

(d) It enabled scientists to understand ‘singularity’.

NLS1 Galaxy
- Indian scientists have studied around 25,000 luminous Active galactic nuclei (AGN) from the Sloan Digital Sky Survey (SDSS).
- They identified it as a gamma-ray emitting NLS1 galaxy, which is a rare entity in space.
- It is about 31 billion light-years away, opens up avenues to explore more such gamma-ray emitting galaxies that wait to meet us.
What makes it intriguing?
- Ever since 1929, when Edwin Hubble discovered that the Universe is expanding, it has been known that most other galaxies are moving away from us.
- Light from these galaxies is shifted to longer (and this means redder) wavelengths – in other words, it is red-shifted.
- Scientists have been trying to trace such red-shifted galaxies to understand the early Universe.
- Powerful relativistic jets, or sources of particles in the Universe travelling nearly at speed to light, are usually produced by AGN powered by large black holes and hosted in a giant elliptical galaxy.
Why NLS1 is unique?
- NLS1s are a unique class of AGN that are powered by the black hole of low mass and hosted in a spiral galaxy.
- As of today, gamma-ray emission has been detected in about a dozen NLS1 galaxies, which are a separate class of AGN identified four decades ago.
- All of them are at redshifts lesser than one, and no method was present to date to find NLS1 at redshifts larger than one.
- This discovery opens up a new way to find gamma-ray emitting NLS1 galaxies in the early Universe.
April 15, 2021
[pib] E-SANTA: Electronic marketplace to connect Aqua farmers and buyers
Union Commerce and Industry Ministry has inaugurated E-SANTA, an electronic marketplace providing a platform to connect aqua farmers and buyers.

Note:

Aquaculture also known as aquafarming is the farming of fish, crustaceans, mollusks, aquatic plants, algae, and other organisms. It involves cultivating freshwater and saltwater populations under controlled conditions, and can be contrasted with commercial fishing, which is the harvesting of wild fish.

Mariculture commonly known as marine farming refers to aquaculture practiced in marine environments and in underwater habitats, opposed to in freshwater.

E-SANTA
- The term e-SANTA was coined for the web portal, meaning Electronic Solution for Augmenting NaCSA farmers’ Trade-in Aquaculture.
- It will enable the farmers to get a better price and the exporters to directly purchase quality products from the farmers enhancing traceability, a key factor in international trade.
- National Centre for Sustainable Aquaculture (NaCSA) is an extension arm of Marine Products Export Development Authority (MPEDA), Ministry of Commerce & Industry.
- It will raise income, lifestyle, self-reliance, quality levels, traceability, and provide new options for our aqua farmers.
- The platform will change the traditional way of carrying out business from a word of mouth basis to become more formalized & legally binding.
E-SANTA will RAISE the lives & income of farmers by:
1. Reducing Risk
2. Awareness of Products & Markets
3. Increase in Income
4. Shielding Against Wrong Practice
5. Ease of Processes
Its’ utility
- E-SANTA is a Digital Bridge to end the market divide and will act as an alternative marketing tool between farmers & buyers by eliminating middlemen.
- It will revolutionize traditional aqua farming by providing cashless, contactless and paperless electronic trade platform between farmers and exporters.
- It can become a tool to advertise collectively the kind of products the buyers, fishermen & fish producing organisations are harvesting.
How does it work?
- E-SANTA is a completely paperless and end-to-end electronic trade platform between Farmers and exporters.
- The farmers have the freedom to list their products and quote their price while the exporters have the freedom to list their requirements and also to choose the products based on their requirements.
- This enables the farmers and buyers to have greater control over the trade and enables them to make informed decisions.
- The platform provides a detailed specification of each product listing and it is backed by an end to end electronic payment system with NaCSA as an Escrow agent.
- After crop listing and online negotiation, a deal is struck, advance payment is made and an estimated invoice is generated.
April 15, 2021
[pib] MANAS Platform
The MANAS App to promote wellbeing across age groups was recently launched.

Name, acronym and the purpose; thats all. The rest of the theory is of less importance.

MANAS Platform
- MANAS is an acronym for Mental Health and Normalcy Augmentation System.
- It is a comprehensive, scalable, and national digital wellbeing platform and an app developed to augment the mental well-being of Indian citizens.
- MANAS was initiated by the Office of the Principal Scientific Adviser to the Government of India and jointly executed by NIMHANS Bengaluru, AFMC Pune and C-DAC Bengaluru.
- It was endorsed as a national program by the Prime Minister’s Science, Technology, and Innovation Advisory Council (PM-STIAC).
- It integrates the health and wellness efforts of various government ministries, scientifically validated indigenous tools with gamified interfaces developed/researched by various national bodies and research institutions.
April 15, 2021
Monkeydactyl: the flying reptile with the ‘oldest opposable thumbs’
Researchers have described a pterosaur species with opposable thumbs, which could likely be the earliest-known instance of the limb.

Monkeydactyl
- The pterosaur species were reptiles, close cousins of dinosaurs and the first animals after insects to evolve powered flight.
- They evolved into various species; while some were as large as an F-16 fighter jet, others were as small as paper aeroplanes.
- The new pterosaur fossil was discovered in the Tiaojishan Formation of Liaoning, China, and is thought to be 160 million years old.
- It has now been described by an international team of researchers from China, Brazil, the UK, Denmark and Japan, and has been named Kunpengopterus antipollicatus, also dubbed “Monkeydactyl”.
What has the team found?
- “Antipollicatus” in ancient Greek means “opposite thumbs”, and it was attached to the name because the researchers’ findings could be the first discovery of a pterosaur with an opposed thumb.
- Researchers suggested that K. antipollicatus could have used its hand for grasping, which is likely an adaptation for arboreal life.
What makes it special?
- Opposability of the thumb enables the species to “simultaneously flex, abduct and medially rotate the thumb” in a way that one is able to bring the tip of the thumb to touch the tips of the other fingers.
- Along with humans, some ancient monkeys and apes also had opposable thumbs. Humans, however, have a relatively long and distally placed thumb, and larger thumb muscles.
- This means that humans’ tip-to-tip precision grip when holding smaller objects is superior to non-human primates.
- This is the reason that humans are able to hold a pen, unscrew an earring stopper, or put a thread through a needle hole.
- The grasping hands of primates developed as a result of their life in the trees — an opposable thumb made it easier for the common ancestor of all primates to cling on to tree branches.
Try this PYQ:

Q.Some species of plants are insectivorous. Why?

(a) Their growth in shady and dark places does not allow them to undertake sufficient photosynthesis and thus they depend on insects for nutrition

(b) They are adapted to grow in nitrogen deficient soils and thus depend on insects for sufficient nitrogenous nutrition

(c) They cannot synthesize certain vitamins themselves and depend on the insects digested by them

(d) They have remained in that particular stage of evolution as living fossils, a link between autotrophs and heterotrophs
April 15, 2021

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