Current Affairs - Science

Exercise : Science - Latest Current Affairs
  • Science - Latest Current Affairs
36.
For which condition was the antibiotic "Gepotidacin" initially approved?
Urinary tract infections
Respiratory infections
Skin infections
Gastrointestinal infections
Answer: Option
Explanation:
Gepotidacin is a newly developed antibiotic that was first approved for the treatment of urinary tract infections (UTIs). It functions by inhibiting bacterial replication, which helps to combat bacterial infections effectively. Although it is now being explored as a potential treatment for drug-resistant gonorrhea—a significant development since no new treatments for gonorrhea have emerged since the 1990s—it was originally targeted for UTIs. Its oral form presents a major advancement over the current injectable treatments, making it more accessible and patient-friendly, especially in outpatient settings where ease of use is a crucial factor.

37.
Which virus primarily spreads through the urine, droppings, and saliva of rodents, causing life-threatening illnesses?
Ebola
Hantavirus
Zika
Influenza
Answer: Option
Explanation:
Hantavirus is a rare but severe virus that primarily spreads through rodent waste, including urine, droppings, and saliva. It can cause serious illnesses such as Hantavirus Pulmonary Syndrome (HPS) and Hemorrhagic Fever with Renal Syndrome (HFRS). The virus is typically transmitted through aerosolization of rodent waste, direct contact, or rarely through bites. Preventive measures, such as keeping homes free of rodents and wearing protective gear, are crucial to reduce the risk of infection, particularly for high-risk groups like farmers and hikers.

38.
What type of bacteria could play a crucial role in treating vitiligo?
Gut bacteria
Skin bacteria
Mouth bacteria
Lung bacteria
Answer: Option
Explanation:
Research suggests that gut-friendly bacteria, or probiotics, could help in treating vitiligo, a skin condition caused by the destruction of pigment-producing cells due to autoimmune responses. These beneficial microorganisms, such as Lactobacillus, Bifidobacterium, and Saccharomyces Boulardii, play a role in maintaining gut health, boosting immunity, and reducing inflammation. The treatment is believed to help suppress harmful T cells that attack pigment while boosting protective regulatory T cells, potentially aiding in the management of vitiligo.

39.
In which country did a 500-kg metal object crash, raising concerns about space debris?
Brazil
India
Russia
Kenya
Answer: Option
Explanation:
A 500-kg metal object crashed in Kenya, sparking concerns over space debris and the increasing global challenges related to debris reentries. The crash highlighted the risks of space debris, which includes defunct satellites, rocket stages, and fragments from collisions or explosions in space. The event underlined the need for better accountability and safety measures to manage the growing issue of space debris, as well as the potential risks associated with its reentry into Earth’s atmosphere.

40.
In which country was the new bat coronavirus HKU5-CoV-2 discovered?
South Africa
China
United States
Brazil
Answer: Option
Explanation:
The new bat coronavirus, HKU5-CoV-2, was discovered by researchers in China, specifically at the Wuhan Institute of Virology. This virus, which uses the same ACE2 receptor as SARS-CoV-2 to infect human cells, raises concerns about potential zoonotic transmission. Although its binding efficiency to human cells is lower, the virus's presence of a furin cleavage site adds to its potential risk. This discovery highlights the need for ongoing surveillance and research on bat-borne viruses to prevent future outbreaks.