Daily Current Affairs MCQs: 18th June 2025 - Bank Exams MCQ

The lac insect is crucial in the production of lac pigment due to its ability to synthesize laccaic acid. This compound is essential for creating the vibrant colors associated with lac, which is used in various industries, including textiles and food coloring.

The fossil leaves date back to the late Oligocene epoch and closely resemble the modern tropical plant Nothopegia. Their discovery suggests that ancient tropical ecosystems existed in Northeast India, providing valuable insights into past climates and biodiversity.

Project Vishnu is focused on advancing India's hypersonic missile technologies, specifically through the development of the Extended Trajectory-Long Duration Hypersonic Cruise Missile (ET-LDHCM). This initiative enhances India's defense capabilities against regional threats.

'Cyber Suraksha' is a proactive cybersecurity exercise initiated by the Defence Cyber Agency to enhance national cyber resilience. It includes training, evaluations, and simulations of real-world cyber threats to prepare military personnel and promote a security-first culture.

Scientists have successfully demonstrated quantum communication over distances exceeding 1 km in free space, utilizing principles of quantum physics to create secure communication channels that can detect eavesdropping attempts, significantly enhancing security.

The disappearance of Nothopegia is attributed to tectonic disruptions caused by the collision of the Indian and Eurasian plates, which altered the climate and made the region unsuitable for tropical flora, leading to its migration to the Western Ghats.

The lac insect reproduces through an ovoviviparous method, where the eggs hatch inside the female's body, allowing for relatively quick population turnover. This method contributes to its rapid life cycle of approximately six months.

The ET-LDHC hypersonic missile incorporates advanced technologies such as scramjet propulsion and precision guidance, allowing it to reach speeds up to Mach 8 and carry various payloads, thereby significantly enhancing India's strategic deterrence capabilities.

The study of Nothopegia's extinction and migration patterns illustrates how species respond to long-term climate changes. Understanding these historical patterns can provide insights into plant resilience and adaptation strategies relevant to current climate challenges.

The crash of Air India flight AI171 has heightened concerns regarding aviation safety and public trust. Investigations into the crash, alongside the spread of misinformation, highlight the need for transparency and accurate reporting to maintain confidence in air travel.