MCQ – GK Questions

Zero Trust Architecture assumes no implicit trust based on network location. Every access request is authenticated, authorized, and encrypted regardless of origin. Implements micro-segmentation, least-privilege access, and continuous monitoring. Critical for modern enterprise security and frequently tested in banking/UPSC exams.

Quantum accelerometers and gyroscopes use atom interferometry for drift-free navigation, critical for submarines, aircraft, and autonomous vehicles in GPS-denied environments. AI enhances sensor fusion and error correction. Research by DRDO, ISRO, and global labs. Critical for strategic technology questions.

Disaster response leverages: citizen reports via apps (NDMA, state SDMAs), social media monitoring for real-time intelligence, and GIS for visualizing crowd-sourced data. Enhances situational awareness and resource allocation. Critical for community resilience and participatory governance questions.

IndiaChain (proposed by MeitY) envisions a permissioned blockchain network for government services: land records, supply chain, identity, and certificates. Aims to enhance transparency, reduce fraud, and enable interoperability. Pilot projects underway in states. Critical for digital governance innovation questions.

Bhashini (Digital India Bhashini) integrates: NMT for text translation, speech recognition/synthesis for voice interfaces, and OCR for document digitization across 22 scheduled languages. Enables inclusive access to e-governance, education, and commerce. Critical for linguistic diversity and digital empowerment questions.

India excels in frugal innovation: low-cost space missions (Mangalyaan), affordable medical devices (EKG, ventilators), and scalable renewable solutions (solar microgrids). Driven by resource constraints, large domestic market, and engineering talent. Critical for understanding India's innovation model questions.

Privacy-enhancing technologies: SMPC enables collaborative computation on encrypted data, homomorphic encryption allows processing ciphertext, and ZK-proofs verify statements without revealing data. Critical for confidential AI, federated learning, and privacy-preserving analytics in finance and healthcare.

Earthquake early warning systems use: dense seismometer networks for P-wave detection, GPS for crustal deformation, and satellite InSAR for post-event analysis. India's system (under NDMA) provides seconds to minutes of warning for automated actions (train braking, gas shutoff). Critical for seismic risk mitigation questions.

Startup India ecosystem integrates: Hub for resources and networking, DPIIT recognition for benefits, and NITI Aayog for policy guidance. Supports innovation, job creation, and global competitiveness. Critical for entrepreneurship and economic development questions.

Eye tracking systems use cameras and AI to detect gaze direction, enabling cursor control, selection, and typing via eye movements. Integrated into assistive devices and mainstream OS (Windows Eye Control, iOS AssistiveTouch). Critical for inclusive design and assistive technology questions.

China leads in 5G subscribers (~800 million) due to early deployment, affordable devices, and government support. India ranks second in growth rate with ~300 million subscribers (2026). Critical for understanding global telecom dynamics and India's digital transformation trajectory.

Convergence of AI, bioinformatics, and synthetic biology accelerates drug discovery: AI predicts protein structures (AlphaFold), bioinformatics analyzes genomic data, synthetic biology designs novel biological systems. Indian startups and research institutes actively contribute. Critical for biotech innovation and healthcare questions.

CARTOSAT series (ISRO) provides sub-meter resolution optical imagery for mapping, urban planning, and disaster monitoring. Post-disaster, rapid tasking enables damage assessment for relief planning. Integrated with Bhuvan portal for visualization. Critical for geospatial technology and disaster management questions.

Gaganyaan is ISRO's human spaceflight program to send 3-4 astronauts to ~400 km orbit for 3-7 days. Includes crew module, service module, life support, and crew escape system. Multiple uncrewed test flights precede crewed mission. Represents milestone in India's space capabilities and technological self-reliance.

Sign language recognition uses computer vision (pose estimation, hand tracking) and deep learning to interpret gestures and translate to text/speech. Pilots by IITs and startups for inclusive communication. Challenges: regional sign language variations and real-time accuracy. Critical for assistive technology questions.

India ranks among top countries in AI research publications, skilled workforce (IITs, NITs), and AI startups (1000+). Strengths in software, data services, and frugal innovation. Gaps remain in hardware, foundational research, and compute infrastructure. Critical for understanding India's tech competitiveness questions.

QKD (Quantum Key Distribution) uses quantum physics principles to generate and share encryption keys with provable security. Deployed in limited metro networks (e.g., DRDO's QKD link). Challenges: distance limits, cost, and integration with existing infrastructure. Critical for future-proof cybersecurity questions.

Flood forecasting integrates: hydrological models (rainfall-runoff simulation), weather radar (precipitation estimation), satellite altimetry (river levels), and IoT sensors (real-time gauges). CWC and IMD operate systems for major river basins. Critical for early warning and disaster risk reduction questions.

PM-WANI (Prime Minister's Wi-Fi Access Network Interface) enables public Wi-Fi hotspots via PDOs (Public Data Offices) using satellite/fiber backhaul. Aims to provide affordable internet access in rural/remote areas for education, telemedicine, and e-governance. Part of Digital India's connectivity pillar.

Live Caption (Android/iOS) uses on-device AI to generate real-time captions for any audio (calls, videos, podcasts), aiding hearing-impaired users. Works offline for privacy. Part of broader accessibility suite: screen readers, color correction, switch access. Critical for inclusive design and digital empowerment questions.