Scientists from which country have developed the world’s most durable hydrogen fuel cell?
- A. UK
- B. Russia
- C. Hong Kong
- D. Israel
Correct Answer: C. Hong Kong
Scientists at the Hong Kong University of Science and Technology (HKUST) have developed a new hydrogen fuel cell. It is the world’s most durable cell so far and also the most cost-effective. This can expand the scope of the application of green energy across the world. Hydrogen fuel cells efficiently generate power by converting hydrogen and oxygen into electricity, without emitting carbon dioxide, particulate matter, and other air pollutants.
Correct Answer: A. Haishen
As per the Japan Meteorological Agency, the typhoon Haishen hit Japan and released fierce winds and rains. Haishen means Sea God in Chinese and the typhoon unleashed winds of speed over 180 kilometers per hour and damaged some parts of Okinawa, Kyushu island. The typhoon is estimated to approach some regions of South Korea.
Correct Answer: B. Sri Lanka
Sri Lankan cabinet passed the 21st Amendment to the Constitution to empower Parliament over the executive president. The 21st Amendment is expected to dissolve the section, which gives unfettered powers to President Gotabaya Rajapaksa after abolishing the 19th Amendment which will strengthen Parliament. It also includes reforms including barring dual citizens from contesting elections to hold public office.
Correct Answer: C. China
The Global Times report said that AR500C, China’s first unmanned helicopter drone made its first successful flight recently. It has been designed to fly in plateau areas and capable of firing and conducting the investigation from a high altitude. AR500C can take off at an elevation of 5,000 metres and has a ceiling of 6,700 metres.
Correct Answer: B. Anthony Albanese
In the 2022 election, Albanese led his party to a decisive victory against Scott Morrison’s Liberal-National Coalition, making history as the first Italian Australian to become prime minister. He was sworn in on 23 May 2022.
Correct Answer: B. Joy Bangla
The High Court of Bangladesh on 10 March 2020 has been declared that ‘Joy Bangla‘ will be the national motto or slogan of Bangladesh. ‘Joy Bangla’ was the main slogan during the liberation war of Bangladesh fought against Pakistan in 1971.
Correct Answer: B. United Kingdom