Science – Medium Level – GK Questions

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Showing 21–40 of 206 questions
science medium MCQ Environmental Science - Climate Migration UPSC Prelims, SSC CGL, Railway NTPC

Climate-induced migration in India is primarily driven by:

  1. Sea-level rise in coastal areas
  2. Droughts and water scarcity
  3. Extreme weather events
  4. All of these
science medium True/False Chemistry - Sustainable Solvents SSC CGL, Railway NTPC, UPSC CAPF

True or False: Deep eutectic solvents (DES) are mixtures of hydrogen bond donors and acceptors with melting points lower than individual components.

  1. True
  2. False
science medium Fill in the Blank Technology - Digital Public Infrastructure Banking PO/Clerk, SSC CHSL, Railway Group C

The Account Aggregator framework in India enables consent-based sharing of ________ data among financial institutions.

  1. Credit
  2. Transaction
  3. Identity
  4. Biometric
science medium True/False Environmental Science - Circular Carbon Economy UPSC Prelims, SSC CGL, Railway NTPC

True or False: The circular carbon economy framework emphasizes Reduce, Reuse, Recycle, and Remove (4R) for CO₂ management.

  1. True
  2. False
science medium MCQ Technology - AI for Climate UPSC CSE, SSC Scientific Assistant, Railway NTPC

AI models are used in climate science primarily for:

  1. Improving weather forecast accuracy
  2. Downscaling global climate models
  3. Detecting extreme events in satellite data
  4. All of these
science medium True/False Biology - CRISPR Diagnostics SSC CGL, Railway NTPC, UPSC CAPF

True or False: SHERLOCK and DETECTR are CRISPR-based diagnostic platforms that detect nucleic acids with high specificity.

  1. True
  2. False
science medium True/False Technology - Digital Twins for Infrastructure UPSC CSE, Banking Specialist Officer, SSC CHSL

True or False: Digital twins of bridges or power grids enable predictive maintenance by simulating real-time sensor data.

  1. True
  2. False
science medium True/False Environmental Science - Just Energy Transition UPSC Prelims, SSC CGL, Railway NTPC

True or False: A just energy transition ensures that workers and communities dependent on fossil fuels are supported during the shift to clean energy.

  1. True
  2. False
science medium Fill in the Blank Environmental Science - Nature-Based Solutions UPSC Prelims, SSC CGL, Railway NTPC

Restoring wetlands for flood control and carbon sequestration is an example of a ________ solution to climate change.

  1. Technological
  2. Nature-based
  3. Policy-based
  4. Financial
science medium True/False Technology - Digital Health Records SSC CHSL, Banking PO, Railway Group C

True or False: The Ayushman Bharat Digital Mission (ABDM) uses Health ID as a unique identifier for individuals across healthcare providers.

  1. True
  2. False
science medium True/False Chemistry - Photocatalysis SSC CGL, Railway NTPC, UPSC CAPF

True or False: Titanium dioxide (TiO₂) is a widely studied photocatalyst for water splitting and pollutant degradation under UV light.

  1. True
  2. False
science medium True/False Environmental Science - Blue Economy UPSC Prelims, SSC CGL, Railway NTPC

True or False: India's Deep Ocean Mission aims to explore polymetallic nodules and develop oceanic thermal energy conversion (OTEC).

  1. True
  2. False
science medium True/False Chemistry - Battery Recycling SSC CGL, Railway NTPC, UPSC CAPF

True or False: Hydrometallurgical processes use aqueous solutions to recover valuable metals from spent lithium-ion batteries.

  1. True
  2. False
science medium MCQ Chemistry - Green Hydrogen Production UPSC Prelims, SSC CGL, Railway NTPC

Green hydrogen is produced by electrolysis of water using electricity from:

  1. Coal power plants
  2. Natural gas reforming
  3. Renewable energy sources
  4. Nuclear power
science medium True/False Technology - Digital Public Goods UPSC Prelims, SSC CGL, Banking PO

True or False: India Stack is a set of open APIs and digital public goods that enable paperless, presence-less, and cashless service delivery.

  1. True
  2. False
science medium True/False Environmental Science - Climate Justice UPSC Prelims, SSC CGL, Railway NTPC

True or False: The principle of Common But Differentiated Responsibilities (CBDR) acknowledges varying national capabilities in addressing climate change.

  1. True
  2. False
science medium Fill in the Blank Environmental Science - Net-Zero Pathways UPSC Prelims, SSC CGL, Railway NTPC

India's Long-Term Low-Emission Development Strategy (LT-LEDS) targets net-zero emissions by the year ________.

  1. 2050
  2. 2060
  3. 2070
  4. 2080
science medium True/False Biology - Microbiome Therapeutics SSC CGL, Railway NTPC, UPSC CAPF

True or False: Fecal microbiota transplantation (FMT) is an approved treatment for recurrent Clostridioides difficile infection.

  1. True
  2. False
science medium True/False Chemistry - Sustainable Polymers SSC CGL, Railway NTPC, UPSC CAPF

True or False: Polyhydroxyalkanoates (PHAs) are biopolymers produced by microbial fermentation of sugars or lipids.

  1. True
  2. False