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TNPSC Current Affairs November 05, 2018

www.tnpsc.academy – TNPSC Current Affairs November 05, 2018 (05/11/2018)

 

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Topic: Welfare Oriented Govt., Schemes and their Utilities, General Administration, Latest Diary of Events

Saura Jalnidhi scheme

Odisha Government has launched Saura Jalnidhi scheme to encourage use of solar energy in irrigation by farmers.

Key features of the scheme:

The beneficiary of this scheme will be farmers who have valid farmer identity cards and have minimum 0.5 acres of agricultural land.

Under this scheme, farmers will be given 90% subsidy and 5,000 solar pumps. This will provide irrigation benefits in 2,500 acres of the state.

In the first phase, this scheme will be available in those areas where electricity is not available for running the pump set.

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Topic: Awareness in Space, Information and Technology, World Organizations

OSIRIS-Rex

After two years travelling through space, the NASA OSIRIS-REx spacecraft has started to obtain images of the mission target, primitive asteroid Bennu.

Background:

The launch of the NASA OSIRIS-REx mission took place on September 8, 2016. Since then, the spacecraft has been two years travelling through space to reach its target, primitive asteroid Bennu, in October, 2018.

Aim of this Mission:

The aim of the mission is to collect a sample of regolith- the loose, soil-like material which covers the surface of the asteroid.

In July 2020, the probe will move to within a few metres of Bennu, extending its robotic arm to touch the asteroid’s surface. The arm will make contact with the surface for just 5 seconds, during which a blast of nitrogen gas will be used to stir up the regolith, allowing it to be sucked into the sample collector.

OSIRIS-REx has enough nitrogen on board for 3 sample collection attempts, and NASA are hoping to collect between 60 and 2000g of regolith material to bring back to Earth.

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Topic : Geographical Landmarks, International Diary of Events

Palau becomes first country to ban sunscreen to save coral reefs

The Western Pacific nation of Palau has become the first country to ban many kinds of sunscreen, in a move to protect its coral reefs from chemicals that scientists say cause significant damage.

Under the ban, which will take effect in 2020, “reef-toxic” sunscreen — defined as containing one of 10 prohibited chemicals, a list that could grow later — can be confiscated from tourists when they enter the country, and retailers who sell it can be fined up to $1,000.

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Topic : Who is who, New Appointments

Next Ambassador of India to the Islamic Republic of Iran

Shri Gaddam Dharmendra, presently Additional Secretary at Headquarters has been appointed as the next Ambassador of India to the Islamic Republic of Iran.

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Topic : Who is who, New Appointments

Next Ambassador of India to the Democratic Republic of Congo

Ms Nina Tshering La, presently Ambassador of India to the Democratic Republic of Congo, has been concurrently accredited as the next Ambassador of India to the Republic of Congo.

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Topic: Latest Diary of Events

Ayurveda Day

Ministry of AYUSH observes Ayurveda Day every year on Dhanawantari Jayanti (Dhanteras). This year Ayurveda Day is being observed on 5th November 2018.

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Topic : Awards and Honours, Latest Diary of Events

First person to swim around Great Britain

Ross Edgley becomes the first person to swim around Great Britain. The 1,780-mile (2,860 km) swim lasted 156 days.

About him:

Ross John Edgley is a Sunday Times Bestselling Author and Adventurer based in Cheshire, England. Edgley holds multiple world records including the World’s longest staged sea swim.

In November 2018, he became the first person to swim around Great Britain without stepping on land, calling the accomplishment the Great British Swim.

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Topic : New inventions on Science and Health, Latest Diary of Events

IIT Roorkee team uses tamarind seed protein to treat chikungunya

Researchers have found that a protein found in tamarind seeds reduces the infectivity of chikungunya virus by 64% and the virus RNA levels inside infected cells by nearly 45%. Based on the promising results obtained through in vitro studies, the researchers are planning to test the protein on animals to prevent and/or treat chikungunya infection. Currently, there are no drugs to treat chikungunya or any vaccine to prevent it.

Which protein?

The tamarind protein (tamarind chitinase-like lectin or TCLL) binds to the sugar moiety (N-acetylglucosamine or NAG) present on the surface of chikungunya virus.

When TCLL protein binds to the NAG sugar moiety it nearly coats the virus particles thus preventing the virus from binding with the receptors on the host cells.

Since binding to the host cell receptors, which is the first step in the infection process, is nearly prevented, the ability of the virus to infect the host cells is compromised.

Who found that?

Pravindra Kumar’s team at IIT Roorkee research and clear that the TCLL protein specifically binds to NAG sugar molecules. They found one protein has both anticoagulant and blood thinning properties while TCLL, which is a lectin protein, binds specifically to NAG sugar molecules.

They found that chikungunya virus treated with the TCLL protein showed nearly 64% reduction in the ability to infect host cells. But in the case of NAG-treated TCLL, the reduction in chikungunya virus infectivity was just 14%.

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