April 15 2025 Current Affairs MCQs

Explanation

All statements are correct

• A tsunami is a series of large ocean waves caused by a sudden water displacement, typically due to an earthquake, volcanic eruption, or landslide. These waves travel long distances across the oceans and cause severe damage when reaching coastal areas.
• According to experts at the Indian National Centre for Ocean Information Services (INCOIS), all coastal states and Union Territories of India are vulnerable to tsunamis.
• Two main subduction zones that can cause tsunamis affecting India:
  • Andaman-Nicobar-Sumatra Island Arc
  • Makran Subduction Zone
• Kerala being a coastal state is specifically vulnerable to tsunami. It’s natural topography and numerous inland water bodies (like backwaters and rivers) increase its vulnerability to tsunamis.

Answer: (c) 1, 2 and 3; Difficulty Level: Easy

Explanation

Option (a) is correct

• Insider trading involves trading stocks based on non-public information obtained through a position of trust or fiduciary duty.
• Insiders are the persons directly connected with the company because of their position and those having reasonable connection with “Unpublished price sensitive information” (UPSI) of the company.
• For e.g. Merchant bankers, Debenture trustees, Stockbrokers, Accountancy firms, Law firms and financial Consultants, subsidiaries of a company and relatives of connected persons, etc

Option (b) is incorrect

• This describes pump-and-dump, not insider trading.

Option (c) is incorrect

• This describes front-running, not insider trading.

Option (d) is incorrect

• This describes copy trading or shadow investing, not insider trading.

Answer: (a) Trading stocks based on non-public information obtained through a position of trust or fiduciary duty; Difficulty Level: Easy

Explanation

Option (b) is correct

• BatEchoMon was launched for bat call detection and species identification.
• BatEchoMon is India’s first autonomous real-time Bat Echolocation Monitoring System, it works on solar energy.
• Developers: Long-Term Urban Ecological Observatory, School of Environment & Sustainability (IIHS) and Wildlife Conservation Trust (WildTech Project), Nature Conservation Foundation.
• Species Identification Limit: Currently identifies only 6-7 common Indian species with a limited but high-quality dataset on Indian bat echolocation calls.

Answer: (b) An autonomous solar-powered system for real-time bat echolocation monitoring and species identification; Difficulty Level: Easy

Explanation

All statements are correct

• 9 individual tigers, including a cub, were recently recorded in the Pakke Tiger Reserve.
• Pakke Tiger Reserve became India’s 26th Tiger Reserve in April 2002 under the National Tiger Conservation Authority.
• Located in the East Kameng district of Arunachal Pradesh, it lies within the Eastern Himalayan foothills in a transition zone between Assam plains & hilly forests.
• The Kameng (Bhareli) River bounds it in the west & north & by the Pakke River in the east and the Brahmaputra towards the south.
• To the south, the sanctuary adjoins Assam’s Nameri National Park, and to the west, it is bounded by Eaglenest Wildlife Sanctuary and Sessa Orchid Sanctuary.

Answer: (d) 1, 2 and 3; Difficulty Level: Medium

Explanation

Option (b) is correct

• INS Sunayna, designated as the Indian Ocean Ship (IOS) SAGAR, arrived at the Port of Dar-es-Salaam, Tanzania, to participate in the harbour phase of Exercise AIKEYME.
• INS Chennai (Destroyer) and INS Kesari (Landing Ship Tank) will also participate alongside INS Sunayna.
• Exercise AIKEYME (Africa-India Key Maritime Engagement):
  • AIKEYME (meaning ‘Unity’ in Sanskrit) is a large-scale multilateral maritime exercise.
  • Participants: India, Tanzania (co-hosts), and 8 African nations — Comoros, Djibouti, Kenya, Madagascar, Mauritius, Mozambique, Seychelles, and South Africa.
  • Aligns with India’s MAHASAGAR vision: Mutual and Holistic Advancement for Security and Growth Across Regions (MAHASAGAR).

Answer: (b) 1, 2, 3, 4 and 5; Difficulty Level: Medium