1st May 2025 Current Affairs MCQs
1. What does a Brain-Computer Interface (BCI) enable?
a) Heart rate detection
b) Muscle-to-muscle signals
c) Direct brain-to-device communication
d) DNA sequencing
2. Where were the stable BCI trials recently conducted?
a) Harvard
b) AIIMS
c) University of Oxford
d) UCSF
3. What part of the brain was targeted for BCI electrode placement?
a) Prefrontal cortex
b) Visual cortex
c) Motor cortex
d) Temporal lobe
4. Which patient group can benefit from BCI speech restoration?
a) Alzheimer’s
b) ALS
c) Migraine
d) Multiple sclerosis
5. Which technology is used to decode speech via BCI?
a) Nanotubes
b) Optical fibers
c) Artificial neural networks
d) RF signals
6. What is the typical incubation period for rabies?
a) 1–3 days
b) 2–3 months
c) 6–12 months
d) Over a year
7. What virus causes rabies?
a) DNA virus
b) RNA virus
c) Retrovirus
d) Coronavirus
8. What is the most common source of human rabies?
a) Cats
b) Bats
c) Dogs
d) Cows
9. What is the fatality rate of rabies after symptom onset?
a) 70%
b) 90%
c) 100%
d) 50%
10. What does PEP stand for in rabies treatment?
a) Pre-exposure Planning
b) Post-exposure Prophylaxis
c) Patient Emergency Protocol
d) Public Epidemic Prevention
11. What are phthalates mainly used in?
a) Metals
b) Paints
c) PVC plastics
d) Natural rubber
12. Why do phthalates easily leach out of plastic?
a) They’re radioactive
b) They are chemically bound
c) They are not chemically bound
d) They oxidize quickly
13. Which of the following is a known health risk of phthalates?
a) Joint pain
b) Asthma
c) Hormonal disruption
d) Hair loss
14. The Special 301 Report is published by which country?
a) China
b) India
c) USA
d) UK
15. What does being listed as a “priority foreign country” in Special 301 imply?
a) Market ban
b) Sanction exemption
c) Automatic sanctions
d) Investigation and sanctions
16. What does WAM! stand for?
a) Web Anime & Media
b) World Anime Meet
c) WAVES Anime & Manga
d) Wireless AVGC Meet
17. WAVES 2025 focuses on which industry domain?
a) Robotics
b) Real estate
c) AVGC-XR
d) Genomics
18. Which method is used to study solar internal layers like NSSL?
a) Radiography
b) Magnetometry
c) Helioseismology
d) Doppler Scanning
19. AIM4NatuRe initiative is led by which organisation?
a) UNEP
b) FAO
c) UNDP
d) IUCN
20. What is the new catalyst system developed for green hydrogen?
a) Zinc oxide – silver
b) Copper oxide – zinc
c) CuO – CuWO₄
d) Tin oxide – CuO
21. The Suez Canal connects which two water bodies?
a) Red Sea and Caspian Sea
b) Mediterranean Sea and Red Sea
c) Arabian Sea and Black Sea
d) Indian Ocean and Pacific Ocean
22. The National Archives of India (NAI) is under which Ministry?
a) Ministry of Culture
b) Ministry of Education
c) Ministry of Home Affairs
d) Ministry of External Affairs
23. What is ‘Abhilekh PATAL’?
a) National literature award
b) Archival document scanner
c) Digital portal of NAI
d) Historical map software
24. What is the type of volcano Uturuncu in Bolivia?
a) Shield volcano
b) Stratovolcano
c) Caldera
d) Cinder cone
25. What is the nickname of Uturuncu volcano due to its activity?
a) The Screamer
b) Hotspot Giant
c) Zombie volcano
d) Silent Fire
26. Where is Mackinac Island located?
a) Lake Erie
b) Lake Superior
c) Lake Huron
d) Lake Ontario
27. What is unique about transportation on Mackinac Island?
a) Only bicycles are allowed
b) Only electric cars operate
c) No motor vehicles allowed
d) Air travel only
28. What is the function of the Aswan High Dam?
a) To stop landslides
b) To generate nuclear energy
c) Control flooding and provide irrigation
d) Divert Nile water to Israel
29. What is the full form of AIM4NatuRe?
a) Artificial Intelligence for Monitoring Nature Resources
b) Accelerating Innovative Monitoring for Nature Restoration
c) Allied Indian Monitoring for Resource Ecology
d) Advancing Indigenous Mapping for National Recovery
30. What is the function of the Built-In Electric Field (BIEF) in hydrogen production?
a) Accelerate wind flow
b) Store electrons
c) Modulate proton adsorption and desorption
d) Generate solar radiation
