Science – Fill in the Blank – GK Questions

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Showing 21–40 of 132 questions
science hard Fill in the Blank Biology - Single-Cell Sequencing UPSC CSE, SSC Scientific Assistant, CSIR NET

Single-cell RNA sequencing (scRNA-seq) reveals ________ heterogeneity within tissues that bulk sequencing masks.

  1. Genetic
  2. Transcriptional
  3. Epigenetic
  4. Proteomic
science hard Fill in the Blank Technology - Federated Learning UPSC CSE, Banking Specialist Officer, SSC CHSL

Federated learning trains AI models across decentralized devices while keeping data ________.

  1. Centralized
  2. Encrypted
  3. Local
  4. Anonymized
science hard Fill in the Blank Chemistry - Flow Battery Technology Railway JE, SSC JE, Banking Specialist Officer

Vanadium redox flow batteries store energy in liquid electrolytes containing ________ ions that undergo reversible redox reactions.

  1. Lithium
  2. Sodium
  3. Vanadium
  4. Zinc
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 hard Fill in the Blank Physics - Advanced Materials UPSC CSE, SSC Scientific Assistant, CSIR NET

Metamaterials derive unusual properties (e.g., negative refraction) from their ________ rather than chemical composition.

  1. Atomic structure
  2. Crystal lattice
  3. Engineered microstructure
  4. Molecular bonds
science hard Fill in the Blank Biology - Gene Drives UPSC CSE, SSC Scientific Assistant, CSIR NET

Gene drives use CRISPR to bias inheritance, increasing the frequency of a trait in a population. They are being researched for controlling ________ vectors.

  1. Bacterial
  2. Viral
  3. Mosquito
  4. Fungal
science hard Fill in the Blank Technology - 6G Vision UPSC CSE, Banking Specialist Officer, SSC CHSL

6G networks are envisioned to integrate communication with ________ for immersive experiences.

  1. Sensing
  2. Computing
  3. AI
  4. All of these
science hard Fill in the Blank Biology - mRNA Therapeutics UPSC CSE, SSC Scientific Assistant, CSIR NET

Lipid nanoparticles (LNPs) in mRNA vaccines protect the mRNA and facilitate its entry into cells via ________.

  1. Diffusion
  2. Endocytosis
  3. Osmosis
  4. Active transport
science hard Fill in the Blank Physics - Quantum Sensing UPSC CSE, SSC Scientific Assistant, Railway JE

Atomic clocks used in GPS satellites rely on the hyperfine transition of ________ atoms for precise timekeeping.

  1. Hydrogen
  2. Cesium
  3. Rubidium
  4. Strontium
science hard Fill in the Blank Technology - Neuromorphic Computing UPSC CSE, Banking Specialist Officer, SSC CHSL

Neuromorphic chips mimic the human brain's architecture using ________ to process information efficiently.

  1. Transistors
  2. Memristors
  3. Capacitors
  4. Inductors
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 hard Fill in the Blank Biology - Organoid Technology UPSC CSE, SSC Scientific Assistant, CSIR NET

Organoids are 3D miniaturized versions of organs grown from ________ cells that mimic key structural and functional properties.

  1. Prokaryotic
  2. Stem
  3. Epithelial
  4. Blood
science hard Fill in the Blank Chemistry - AI in Drug Discovery UPSC CSE, SSC Scientific Assistant, CSIR NET

AlphaFold, developed by DeepMind, uses deep learning to predict the ________ structure of proteins.

  1. Primary
  2. Secondary
  3. Tertiary
  4. Quaternary
science medium Fill in the Blank Chemistry - Industrial Safety UPSC Prelims, SSC CGL, Railway NTPC

The Bhopal gas tragedy (1984) involved the release of ________ gas from a pesticide plant.

  1. Chlorine
  2. Phosgene
  3. Methyl isocyanate
  4. Ammonia
science medium Fill in the Blank Technology - Digital Infrastructure UPSC Prelims, SSC CGL, Railway NTPC

BharatNet aims to provide high-speed broadband connectivity to all ________ in India.

  1. Cities
  2. Towns
  3. Gram Panchayats
  4. Districts
science medium Fill in the Blank Environmental Science - Disaster Resilience UPSC Prelims, SSC CGL, Railway NTPC

The Sendai Framework for Disaster Risk Reduction (2015-2030) focuses on reducing disaster risk through ________ approaches.

  1. Reactive
  2. Preventive
  3. Curative
  4. Compensatory
science medium Fill in the Blank Biology - Precision Agriculture UPSC Prelims, SSC CGL, Railway NTPC

Drones in agriculture are used for crop monitoring, spraying, and collecting ________ data.

  1. Soil
  2. Weather
  3. Multispectral
  4. All of these