31. Which institution developed the ‘non-aqueous all-organic redox flow battery’ (NORFB)?
[A] IISc Bengaluru
[B] IIT Madras
[C] IIT Delhi
[D] IIT Kanpur
Show Answer
Correct Answer: B [IIT Madras]
Notes:
The ‘Non-aqueous all-organic redox flow battery’ (NORFB) was developed recently by scientists at IIT Madras. It is a flow battery that promises to provide better performance.
The Researchers have developed a new type of electrolyte using ‘pyrylium salts’, which are a class of organic chemicals. The battery has been demonstrated with an average coulombic efficiency of 97 per cent.
32. Which institution built the ‘INS Mormugao’ guided missile destroyer of the Indian Navy?
[A] Cochin Shipyard
[B] Mazagon Dock Ltd
[C] Garden Reach Shipbuilders
[D] GAIL
Show Answer
Correct Answer: B [Mazagon Dock Ltd]
Notes:
INS Mormugao is the second ship of the Visakhapatnam-class stealth guided-missile destroyers of the Indian Navy.
It was built at Mazagon Dock Limited and the ship was commissioned on 18 December 2022. A Brahmos Supersonic cruise missile was test fired using this vessel recently.
33. Highly Pathogenic Avian Influenza (HPAI) has been confirmed in which country?
[A] India
[B] China
[C] Brazil
[D] South Africa
Show Answer
Correct Answer: C [Brazil]
Notes:
Highly Pathogenic Avian Influenza (HPAI) was confirmed for the first time by Brazil. Two cases were detected in wild birds.
Brazil is the world’s top chicken exporter and the government confirmed the detection of H5N1 subtype of the influenza virus on two birds. While humans can contract H5N1, cases remain very rare.
34. Which county manufactures the ‘HIMARS Rocket’?
[A] USA
[B] UK
[C] Russia
[D] France
Show Answer
Correct Answer: A [USA]
Notes:
Poland recently received the first batch of the US-made HIMARS rocket launchers. These rockets will be deployed at the region bordering Russia.
Poland is buying billions of dollars’ worth of weapons, chiefly from the US and South Korea. This step is a part of a defence upgrade amid security concerns due to the war in neighbouring Ukraine.
35. ‘Initiative on Critical and Emerging Technology (iCET)’ is an initiative between India and which country?
[A] Australia
[B] USA
[C] France
[D] UAE
Show Answer
Correct Answer: B [USA]
Notes:
U.S.-India initiative on Critical and Emerging Technology (iCET) was launched in May 2022. The first-ever meeting of the Strategic Trade Dialogue to implement the outcomes of the US-India initiative on Critical and Emerging Technology is set to be held shortly.
This meeting is expected to help streamline export controls, improve high-tech commerce and facilitate tech transfer between countries.
36. ‘Archopterus anjiensis’, the oldest sea scorpion, has been found in which country?
[A] India
[B] China
[C] Argentina
[D] South Africa
Show Answer
Correct Answer: B [China]
Notes:
Archopterus anjiensis is the oldest fossil sea scorpion in China. Its 445-million-year-old fossil was found in the Chinese Zhejiang Province.
The 445-million-year-old fossil sea scorpion lived during the uppermost Ordovician period, around 445 million years ago.
37. Which is the first state in the country to introduce a welfare fund for MGNREGS workers?
[A] Tamil Nadu
[B] Kerala
[C] Telangana
[D] Odisha
Show Answer
Correct Answer: B [Kerala]
Notes:
Kerala recently became the first state in the country to introduce a welfare fund for Mahatma Gandhi Rural Employment Guarantee Scheme (MGNREGS) workers.
Under this initiative, individuals above the age of 60 will be eligible for pension under this fund. The welfare fund has been formed as per the Kerala Employment Guarantee Workers’ Welfare Fund Act, 2021.
38. Which country is the host of the G-7 Summit in 2023?
[A] USA
[B] Japan
[C] South Africa
[D] Brazil
Show Answer
Correct Answer: B [Japan]
Notes:
The 49th G7 summit was recently held from 19 to 21 May 2023 in Hiroshima, Hiroshima Prefecture, Japan.
The grouping issued a special “Hiroshima Vision Statement on Nuclear Disarmament”. The G-7 members issued a separate statement on Ukraine, hitting Russia with more sanctions.
39. Which state launched the ‘Patch Reporting App’ to make the roads in state free of pot holes?
[A] Uttarakhand
[B] Assam
[C] Gujarat
[D] Bihar
Show Answer
Correct Answer: A [Uttarakhand]
Notes:
Patch Reporting App was launched recently by the Uttarakhand Chief Minister to make the roads free of potholes in the state.
It was developed by the state’s Public Works Department. This app allows any person to submit a detailed complaint by capturing pictures of potholes on the nearby roads.
40. Which country has been recently hit by ‘African Plume Heatwave’?
[A] UK
[B] USA
[C] Australia
[D] Brazil
Show Answer
Correct Answer: A [UK]
Notes:
The arrival of Africa plume heatwave in the UK is expected to cause extreme heatwave conditions in the country.
African plume heatwave is the meteorological phenomena that is marked the mass of hot air coming from the Sahara Desert towards Europe.