Science – GK Questions

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Showing 21–40 of 399 questions
science hard MCQ Biology - Digital Pathology UPSC CSE, SSC Scientific Assistant, CSIR NET

AI algorithms in digital pathology assist in:

  1. Tumor detection and grading
  2. Cell counting and classification
  3. Predicting treatment response
  4. All of these
science medium Fill in the Blank Chemistry - Sustainable Packaging SSC CGL, Railway NTPC, UPSC CAPF

Edible films made from ________ proteins or polysaccharides offer biodegradable alternatives to plastic packaging.

  1. Synthetic
  2. Plant/Animal
  3. Petroleum-based
  4. Metallic
science hard True/False Physics - Gravitational Wave Astronomy UPSC CSE, SSC Scientific Assistant, CSIR NET

True or False: Multi-messenger astronomy combines gravitational waves with electromagnetic observations to study cosmic events.

  1. True
  2. False
science medium MCQ Technology - AI in Agriculture UPSC Prelims, SSC CGL, Railway NTPC

AI-powered crop advisory systems use satellite imagery and weather data to provide:

  1. Sowing recommendations
  2. Pest/disease alerts
  3. Irrigation scheduling
  4. All of these
science medium Fill in the Blank Environmental Science - Climate Data Infrastructure UPSC Prelims, SSC CGL, Railway NTPC

India's National Climate Data Centre (NCDC) under IMD archives and disseminates ________ data for research and policy.

  1. Weather
  2. Climate
  3. Ocean
  4. All of these
science hard True/False Biology - RNA Therapeutics UPSC CSE, SSC Scientific Assistant, CSIR NET

True or False: Antisense oligonucleotides (ASOs) can modulate gene expression by binding to target RNA and triggering degradation or splicing modification.

  1. True
  2. False
science hard MCQ Chemistry - Green Ammonia Synthesis UPSC CSE, SSC Scientific Assistant, CSIR NET

Electrochemical ammonia synthesis aims to replace the Haber-Bosch process by using:

  1. Renewable electricity
  2. Ambient temperature/pressure
  3. Water as hydrogen source
  4. All of these
science hard Fill in the Blank Physics - Advanced Sensors UPSC CSE, SSC Scientific Assistant, CSIR NET

Quantum sensors exploit quantum ________ to achieve unprecedented precision in measuring gravity, magnetic fields, and time.

  1. Entanglement
  2. Superposition
  3. Interference
  4. All of these
science medium True/False Technology - Digital Sovereignty UPSC CSE, Banking Specialist Officer, SSC CHSL

True or False: Data localization requirements aim to store citizens' data within national borders to enhance privacy and regulatory control.

  1. True
  2. False
science medium MCQ Environmental Science - Climate-Resilient Agriculture UPSC Prelims, SSC CGL, Railway NTPC

Climate-resilient crop varieties are developed to tolerate:

  1. Drought
  2. Salinity
  3. Heat stress
  4. All of these
science hard Fill in the Blank Biology - Precision Nutrition UPSC CSE, SSC Scientific Assistant, CSIR NET

Precision nutrition tailors dietary recommendations based on an individual's genomics, microbiome, and ________ data.

  1. Metabolomics
  2. Proteomics
  3. Lifestyle
  4. All of these
science medium True/False Chemistry - Sustainable Textiles SSC CGL, Railway NTPC, UPSC CAPF

True or False: Enzymatic bio-polishing of cotton uses cellulases to remove surface fibers, reducing pilling and improving softness.

  1. True
  2. False
science hard MCQ Physics - Dark Matter Detection UPSC CSE, SSC Scientific Assistant, CSIR NET

Direct detection experiments for dark matter search for:

  1. Nuclear recoils from WIMP interactions
  2. Axion-photon conversion
  3. Sterile neutrino decay
  4. All of these
science medium Fill in the Blank Technology - Digital Identity Interoperability UPSC CSE, Banking Specialist Officer, SSC CHSL

The MOSIP (Modular Open Source Identity Platform) is an open-source solution for building ________ identity systems.

  1. Biometric
  2. Digital
  3. National
  4. All of these
science medium True/False Environmental Science - Climate Litigation UPSC Prelims, SSC CGL, Railway NTPC

True or False: Climate litigation cases in India have invoked fundamental rights (Articles 14, 21) to demand stronger climate action.

  1. True
  2. False
science hard MCQ Biology - Organ-on-a-Chip UPSC CSE, SSC Scientific Assistant, CSIR NET

Organ-on-a-chip devices replicate human physiology using:

  1. Microfluidic channels
  2. Living human cells
  3. Mechanical stimuli
  4. All of these
science hard Fill in the Blank Chemistry - Bio-inspired Catalysis UPSC CSE, SSC Scientific Assistant, CSIR NET

Artificial enzymes mimic natural catalysis using ________ to achieve high selectivity and activity.

  1. Synthetic polymers
  2. Metal complexes
  3. Nanostructures
  4. All of these
science hard True/False Physics - Quantum Error Correction UPSC CSE, SSC Scientific Assistant, CSIR NET

True or False: Quantum error correction encodes logical qubits into multiple physical qubits to protect against decoherence.

  1. True
  2. False
science medium MCQ Technology - Edge AI UPSC CSE, Banking Specialist Officer, SSC CHSL

Edge AI deploys machine learning models directly on devices to:

  1. Reduce latency
  2. Conserve bandwidth
  3. Enhance privacy
  4. All of these