30 Oct 2025 Daily CA Quiz

1. The company aims to raise at least $60 billion through the IPO.
2. Microsoft currently holds approximately 27% equity stake in OpenAI.
3. OpenAI’s annualised revenue is projected to reach about $20 billion by the end of 2025.
4. The IPO is expected to value OpenAI at around $500 billion.

Which of the statements given above are correct?

1. The Southern Ocean has absorbed more than 90% of the planet’s excess heat due to human activity.
2. It also absorbs around one-fourth of global carbon dioxide emissions.
3. The recently identified heat reservoir beneath the Southern Ocean is primarily due to volcanic activity under the Antarctic seabed.
4. Scientists warn that this stored heat could resurface even if global emissions decline.

Which of the statements given above are correct?

1. Asteroid 2024 YR4 was discovered in December 2024.
2. It has an estimated diameter of about 60 metres.
3. The asteroid poses a significant threat to Earth.
4. NASA’s mission assessment windows are projected between 2029 and 2031.

Which of the statements given above are correct?

1. The project is jointly led by the National Institute for Amazon Research (INPA) and the Universidade Estadual de Campinas.
2. It is located near Manaus in Brazil’s Amazon rainforest.
3. The experiment uses underground CO₂ injection to enrich the forest atmosphere.
4. It is the first Free-Air CO₂ Enrichment (FACE) experiment of this scale conducted in a tropical forest.

Which of the statements given above are correct?

1. The ISA was launched jointly by India and France during the 2015 Paris Climate Conference.
2. The headquarters of ISA is located in New Delhi, India.
3. ISA primarily focuses on the promotion of solar energy deployment in countries located between the Tropic of Cancer and the Tropic of Capricorn.
4. India currently holds the permanent presidency of the ISA Assembly.

Which of the statements given above are correct?