41. What is the Casimir Effect, recently seen in news?
[A] A phenomenon where two charged plates repel each other
[B] A phenomenon where two uncharged conducting plates experience an attractive force
[C] A phenomenon where two uncharged conducting plates experience a repulsive force
[D] A phenomenon where two charged plates experience a magnetic force
Show Answer
Correct Answer: B [A phenomenon where two uncharged conducting plates experience an attractive force]
Notes:
Scientists have discovered how to control the Casimir Effect to enhance tiny machines. The Casimir Effect, predicted by Hendrik Casimir in 1948, involves an attractive force between two closely placed uncharged conducting plates due to quantum vacuum fluctuations. This phenomenon, filled with virtual particles, has been experimentally verified and is crucial in nanotechnology and condensed matter physics, significantly impacting micromachined devices and our understanding of vacuum energy.
42. What is the current IUCN status of Iberian lynx (Lynx pardinus), recently in news?
[A] Critically endangered
[B] Endangered
[C] Vulnerable
[D] Least concern
Show Answer
Correct Answer: C [Vulnerable]
Notes:
The IUCN has upgraded the conservation status of the Iberian lynx from Endangered to Vulnerable, indicating a significant population increase. This medium-sized wild cat is native to the Iberian Peninsula in Portugal and Spain. It has long legs, a short tail, tufted ears, and a small head. The solitary, nocturnal hunter relies heavily on European rabbits, facing threats like poaching and habitat loss. It is listed in Appendix I of CITES.
43. “One Family, One Identity” scheme, recently seen in news, is associated with which state?
[A] Uttar Pradesh
[B] Maharashtra
[C] Jharkhand
[D] Bihar
Show Answer
Correct Answer: A [Uttar Pradesh]
Notes:
Uttar Pradesh Chief Minister Yogi Adityanath pushed for the swift implementation of ‘Family IDs’, aiming to streamline government benefits and job opportunities. Under the “One Family, One Identity” scheme, each family receives a unique ID to enhance scheme management and ensure transparent operations. Around 15.07 crore people benefit from this initiative, leveraging Family IDs for access to the National Food Security Act. Over 1 lakh families without ration cards have already received their IDs.
44. Seine River, recently seen in news, is the second longest river of which country?
[A] France
[B] China
[C] Japan
[D] Myanmar
Show Answer
Correct Answer: A [France]
Notes:
Despite extensive cleanup efforts, Paris’ Seine River remains too polluted for swimming events in the upcoming Olympic Games. The Seine, France’s second-longest river at 775 kilometers, has a drainage basin of 79,000 square kilometers, mainly in northern France. Originating in Burgundy, it flows through Paris for 13 kilometers before emptying into the English Channel. Major tributaries like the Marne join it near Paris.
45. Which ministry recently launched the National STOP Diarrhoea Campaign 2024?
[A] Ministry of Home Affairs
[B] Ministry of Health and Family Welfare
[C] Ministry of Women and Child Development
[D] Ministry of Agriculture
Show Answer
Correct Answer: B [Ministry of Health and Family Welfare]
Notes:
Union Health Minister and Family Welfare JP Nadda launched the National STOP Diarrhoea Campaign 2024, aiming for zero child deaths from diarrhoea. The two-month drive involves distributing ORS packets and zinc to children under five. Initiatives like the National Jal Jeevan Mission and Swachh Bharat Abhiyan have reduced childhood diarrhoea deaths. Emphasis is on sensitizing health workers and enhancing diarrhoea management. Officials are urged to focus on cleanliness and prevention targets.
46. Khalubar War Memorial museum, recently seen in the news, is located in which region of India?
[A] Bengaluru
[B] Ladakh
[C] Chandigarh
[D] New Delhi
Show Answer
Correct Answer: B [Ladakh]
Notes:
In Ladakh, the Indian Army opened the Khalubar War Memorial to tourists as a tribute to Kargil War heroes, coinciding with the 25th anniversary of Kargil Vijay Diwas on July 26. Located in Aryan Valley, Ladakh the memorial honors the bravery of soldiers like Captain Manoj Pandey. Local residents also played a crucial role in the war. Pre-Kargil Vijay Diwas celebrations included a “Trek to Battle Site” led by Brig OP Yadav (Retd).
47. Lake Natron, recently seen in the news, is located on the border of which two countries?
[A] Peru and Bolivia
[B] Tanzania and Kenya
[C] Kenya and Ethiopia
[D] Austria and Switzerland
Show Answer
Correct Answer: B [Tanzania and Kenya]
Notes:
Experts report a steady decline in the flamingo population at Lake Natron due to extreme weather and encroachment. Located on the Tanzania-Kenya border, this salt lake is part of the Great Rift Valley and a Ramsar site. Its unique warm, alkaline waters, fed by the Ewaso Ng’iro River, create ideal conditions for flamingos. However, agriculture, pollution, and climate change threaten this ecosystem, known for its striking red color.
48. Recently, a rare Indian Painted Frog was recently sighted at which tiger reserve of Telangana?
[A] Amrabad Tiger Reserve
[B] Kawal Tiger Reserve
[C] Vanasthali Tiger Reserve
[D] None of the Above
Show Answer
Correct Answer: B [Kawal Tiger Reserve]
Notes:
A rare Indian Painted Frog, Uperodon taprobanicus, was recently spotted in Telangana’s Kawal Tiger Reserve, a significant find outside its usual habitats. This species belongs to the Microhylidae family and is found in Sri Lanka, Bangladesh, southern and eastern India, and Nepal. Notable for its striking coloration and smooth body, the frog is listed as Least Concern on the IUCN Red List and is common in Sri Lanka and India’s Western and Eastern Ghats.
49. How many medals did India win at the 2024 BRICS Games in Russia?
[A] 20
[B] 25
[C] 29
[D] 35
Show Answer
Correct Answer: C [29]
Notes:
India secured a total of 29 medals at the 2024 BRICS Games in Kazan, Russia, comprising 3 gold, 6 silver, and 20 bronze medals. The Indian team excelled across diverse sports disciplines, demonstrating noteworthy accomplishments in this international multi-sport event, highlighting their successful performance.
50. Which organization has recently delivered the Medium Range-Microwave Obscurant Chaff Rocket (MR-MOCR) to the Indian Navy?
[A] DRDO
[B] ISRO
[C] HAL
[D] CSIR
Show Answer
Correct Answer: A [DRDO]
Notes:
The Defence Research and Development Organisation (DRDO) handed over the Medium Range-Microwave Obscurant Chaff Rocket (MR-MOCR) to the Indian Navy in New Delhi. Developed by DRDO’s Defence Laboratory in Jodhpur, this technology obscures radar signals and creates a microwave shield to reduce radar detection. The chaff rocket uses special fibers with unique microwave obscuration properties, assembled to enhance radar evasion capabilities.