DAILY CURRENT AFFAIRS QUIZ – 31 May 2025

Answer: c) Hypersonic weapons can change course during flight, while ballistic missiles have set trajectories.

Explanation:

Hypersonic weapons, including AS-24 Killjoy, can change course during flight, making them highly maneuverable. In contrast, ballistic missiles have set trajectories and limited maneuverability.

Answer: b) It is the western reporting name of a Russian hypersonic ballistic missile; its primary feature is speeds of up to Mach 10.

Explanation:

AS-24 Killjoy is the western reporting name of the Kh-47M2 (Kinzhal), which is a Russian air-launched hypersonic ballistic missile. Its primary feature is the ability to reach speeds of up to Mach 10 (12,350 km/hr).

Ans. a

Explanation:

The OSIRIS-APEX mission aims to observe the effects of Earth’s gravitational pull on asteroid Apophis during its rare close encounter in April 2029. This includes changes in the asteroid’s orbit, rotation speed, and surface features such as quakes or landslides. Additionally, the spacecraft will dip toward the surface of Apophis for further study.

Ans. a

Explanation:

The government of the Himachal Pradesh state is reevaluating the boundaries of the eco-sensitive zone surrounding Pong Dam. This initiative aims to tackle issues faced by the local population and promote agricultural activities, particularly during periods of low water levels.

Ans.c

Explanation:

Tata Memorial Hospital has recently introduced PREVALL, marking the first oral chemotherapy medication for Leukaemia in India.

• The initial oral suspension of the chemotherapy drug in India is 6-mercaptopurine (6-MP), and it goes by the name PREVALL.
• Tata Memorial Hospital, in collaboration with the Advanced Centre for Training Research and Education in Cancer (ACTREC) and IDRS Labs, Bangalore, played a key role in the development of PREVALL.