Current Affairs Quiz - May, 2023

Notes:
Blue holes are large undersea vertical caves or sink holes found in the coastal regions. Recently, the second deepest blue hole was discovered off the coast of the Yucatan Peninsula in Mexico.
The new blue hole has about 900 feet deep, and it is behind only one other in depth—the Dragon Hole in the South China Sea.

Notes:
The World Intellectual Property Day is observed every year on April 26. It raises global awareness about intellectual properties and their protection.
The WIPO convention came into effect in 1970 and, in the year 2000, WIPO’s member states declared April 26 as World Intellectual Property.

Notes:
Navratna Companies are public sector companies that are given financial autonomy to invest up to Rs.1,000 crore without the Indian government’s approval.
The Union Finance Ministry recently upgraded the status of the Rail Vikas Nigam Limited (RVNL) from Category-I Miniratna to Navratna Central Public Sector Enterprise (CPSE).

Notes:
Farm Machinery Technology Summit was inaugurated recently by the Union Minister of Agriculture and Farmers Welfare Narendra Singh Tomar.
It is organized by the Confederation of Indian Industry (CII) and Tractor and Mechanization Association (TMA). There are about 85 percent small farmers in the country.

Notes:
The 19th edition of the Free Land Camp is an annual weeklong encampment of indigenous people in Brasilia.
During this event, Brazil President Luiz Inácio Lula da Silva granted official recognition of around 800 sq miles of indigenous lands to safeguard the Amazon rainforest from unchecked exploitation.

Notes:
Buddha Purnima is celebrated to mark the birth anniversary of Lord Gautam Buddha. This year marks the 2585th birth anniversary of Gautam Buddha.
In South and Southeast Asia, the Buddha’s birth is celebrated as part of Vesak, a festival that also celebrates the Buddha’s enlightenment (on the day of the full moon) and death.

Notes:
Labour Day is observed across the world on May 1. It celebrates the contribution of labourers and the working class.
May 1 is marked as May Day, also referred to as International Workers’ Day and Labour Day in different countries across the world. Although the US and Canada observed the first Monday of September as Labor Day.

Notes:
Sara is the world’s first robotic check-in assistant. It was unveiled recently by the Dubai-based airline Emirates.
The system is part of a new City Check-in and Travel Store that is set to launch in Dubai. Sara will match customers’ faces with scanned passports, check passengers in, and guide them to the luggage drop area.

Notes:
The narrow-band signals known as geomagnetic Pc1 pearl oscillations are structured and have their amplitudes modulated. These signals are indications of low-frequency EMIC waves that result from wave-particle interactions in the Earth’s magnetosphere.
Researchers have observed significant increase in geomagnetic Pc1 pearl oscillations on the Earth’s surface in the recovery phase of the geomagnetic storms.

Notes:
The StarBerrySense payload is a low-star sensor developed from off-the-shelf components by the Indian Institute of Astrophysics. It was successfully tested recently on board the PSLV C-55.
In its first space test, the sensor, which is mounted on the PSLV Orbital Experimental Module (POEM), is performing well, as per the Department of Space.