Current Affairs MCQs 30 September 2025
Current Affairs MCQs 30 September 2025 are provided here with detailed answers and explanations. These questions are designed to help students preparing for APPSC and other competitive exams. Practice these daily current affairs quizzes to strengthen your exam preparation.
Q1. Which of the following is not a member country of the European Free Trade Association (EFTA)?
A. Norway
B. Switzerland
C. Iceland
D. Denmark
Show Answer
Answer: D. Denmark
Explanation: The European Free Trade Association (EFTA) consists of four member countries — Iceland, Liechtenstein, Norway, and Switzerland. Denmark, on the other hand, is a member of the European Union (EU), not the EFTA.
వివరణ: యూరోపియన్ ఫ్రీ ట్రేడ్ అసోసియేషన్ (EFTA) సభ్య దేశాలు ఐస్లాండ్, లిక్టెన్స్టీన్, నార్వే, స్విట్జర్లాండ్. అయితే డెన్మార్క్ యూరోపియన్ యూనియన్ (EU) సభ్య దేశం, EFTA దేశం కాదు.
Q2. What is the scientific name of the endangered tree species commonly known as Red Sanders?
A. Tectona grandis
B. Dalbergia latifolia
C. Pterocarpus santalinus
D. Shorea robusta
Show Answer
Answer: C. Pterocarpus santalinus
Explanation: The scientific name of Red Sanders is Pterocarpus santalinus. It is a rare and valuable tree species native to the Southern Eastern Ghats, mainly found in Andhra Pradesh. Known for its deep red heartwood, it is listed under the CITES Appendix II and protected by the Wildlife Protection Act, 1972 due to threat
Q3. Which two countries co-sponsored the resolution for the International Day of Milk, endorsed by the 44th FAO Conference?
A. India and Switzerland
B. India and Ireland
C. India and Italy
D. India and France
Show Answer
Answer: B. India and Ireland
Explanation: India and Ireland jointly co-sponsored the resolution for the International Day of Milk, which was endorsed by the 44th FAO Conference. The initiative recognizes milk’s vital role in nutrition, rural livelihoods, and sustainable agricultural development, reflecting India’s leadership in the global dairy sector as the world’s largest milk producer.
Q4. Which Indian institute has developed the new siphon-powered desalination system that converts seawater into clean drinking water?
A. Indian Institute of Technology, Madras
B. Indian Institute of Science, Bengaluru
C. Indian Institute of Technology, Bombay
D. National Institute of Ocean Technology, Chennai
Show Answer
Answer: B. Indian Institute of Science, Bengaluru
Explanation: The Indian Institute of Science (IISc) has developed a siphon-based thermal desalination system that can convert seawater into potable water efficiently. Supported by the Department of Science and Technology (DST), the system uses fabric wicks and metallic surfaces to overcome salt buildup and scaling challenges, producing over six liters of fresh water per square meter per hour under sunlight.
Q5. What is the name of the proposed gravitational-wave detector to be installed on the Moon by Vanderbilt Lunar Labs?
A. LIGO-Moon
B. Lunar Gravitational-Wave Antenna (LGWA)
C. Laser Interferometer Lunar Antenna (LILA)
D. DECIGO
Show Answer
Answer: C. Laser Interferometer Lunar Antenna (LILA)
Explanation: The Laser Interferometer Lunar Antenna (LILA), developed by the Vanderbilt Lunar Labs (U.S.), is a proposed gravitational-wave detector to be installed on the **Moon’s surface**. It will detect **low-frequency (sub-hertz)** gravitational waves that Earth-based observatories like LIGO cannot capture due to seismic noise and atmospheric interference.
Q6. The Sahyog Portal, recently in news, is operated by which of the following institutions?
A. National Informatics Centre (NIC)
B. Indian Cybercrime Coordination Centre (I4C)
C. Ministry of Electronics and IT (MeitY)
D. Central Bureau of Investigation (CBI)
Show Answer
Answer: B. Indian Cybercrime Coordination Centre (I4C)
Explanation: The Sahyog Portal is operated by the Indian Cybercrime Coordination Centre (I4C) under the Ministry of Home Affairs (MHA). It serves as a centralised platform for issuing content takedown notices to social media platforms, internet service providers, and web hosts under Section 79(3)(b) of the Information Technology Act, 2000.
Q7. The Sahyog Portal, recently in news, is operated by which of the following institutions?
A. National Informatics Centre (NIC)
B. Indian Cybercrime Coordination Centre (I4C)
C. Ministry of Electronics and IT (MeitY)
D. Central Bureau of Investigation (CBI)
Show Answer
Answer: B. Indian Cybercrime Coordination Centre (I4C)
Explanation: The Sahyog Portal is operated by the Indian Cybercrime Coordination Centre (I4C) under the Ministry of Home Affairs (MHA). It serves as a centralised platform for issuing content takedown notices to social media platforms, internet service providers, and web hosts under Section 79(3)(b) of the Information Technology Act, 2000.
Q8. Rinku Singh, who recently won gold with a championship record at the World Para Athletics Championships 2025, competed in which event?
A. Shot Put F46
B. Javelin Throw F46
C. Discus Throw F46
D. Long Jump F46
Show Answer
Answer: B. Javelin Throw F46
Explanation: Rinku Singh won the gold medal in Javelin Throw F46 category at the World Para Athletics Championships 2025 with a throw of 66.37 meters, setting a new championship record and leading India’s 1-2 finish along with silver medallist Sundar Singh Gurjar.
In this set of Current Affairs MCQs 30 September 2025, we have compiled questions from the most reliable and exam-focused sources. The content is carefully prepared from Press Information Bureau (PIB), and trusted newspapers, along with official government releases. At Readingroomz Current Affairs, we ensure that every important update is simplified, explained, and transformed into exam-ready questions and notes. This approach saves aspirants valuable time while making sure they never miss any crucial topic for APPSC Exams.