Hard Level – GK Questions

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Showing 681–700 of 2061 questions
science hard MCQ Physics - Quantum Materials UPSC CSE, SSC Scientific Assistant, CSIR NET

High-temperature superconductors typically belong to which material class?

  1. Cuprates
  2. Iron-based pnictides
  3. Nickelates
  4. All of these
science hard MCQ Biology - AI in Drug Repurposing UPSC CSE, SSC Scientific Assistant, CSIR NET

AI-driven drug repurposing identifies new uses for existing drugs by analyzing:

  1. Molecular similarity
  2. Gene expression signatures
  3. Clinical trial data
  4. All of these
science hard True/False Physics - Space-Based Solar Power UPSC CSE, SSC Scientific Assistant, CSIR NET

True or False: Space solar power concepts involve collecting solar energy in orbit and beaming it to Earth via microwaves or lasers.

  1. True
  2. False
science hard True/False Biology - Personalized Vaccines UPSC CSE, SSC Scientific Assistant, CSIR NET

True or False: Neoantigen-based cancer vaccines are designed using tumor-specific mutations identified from a patient's genome.

  1. True
  2. False
science hard MCQ Chemistry - Sustainable Mining UPSC CSE, SSC Scientific Assistant, CSIR NET

Bioleaching uses ________ to extract metals from low-grade ores and electronic waste.

  1. Acidophilic bacteria
  2. Fungi
  3. Algae
  4. All of these
science hard Fill in the Blank Physics - Advanced Computing UPSC CSE, SSC Scientific Assistant, CSIR NET

Exascale computing systems perform at least ________ floating-point operations per second.

  1. 10¹⁵
  2. 10¹⁸
  3. 10²¹
  4. 10²⁴
science hard Fill in the Blank Biology - AI in Genomics UPSC CSE, SSC Scientific Assistant, CSIR NET

Deep learning models like DeepVariant improve the accuracy of ________ calling from next-generation sequencing data.

  1. Gene
  2. Variant
  3. Expression
  4. Methylation
science hard MCQ Physics - Neutrino Astronomy UPSC CSE, SSC Scientific Assistant, CSIR NET

High-energy astrophysical neutrinos detected by IceCube originate from:

  1. Blazars
  2. Supernova remnants
  3. Gamma-ray bursts
  4. All of these
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 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 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 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 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 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 hard True/False Biology - Longevity Research UPSC CSE, SSC Scientific Assistant, CSIR NET

True or False: Senolytics are drugs that selectively eliminate senescent cells to delay age-related diseases.

  1. True
  2. False
science hard MCQ Chemistry - Perovskite Photovoltaics UPSC CSE, SSC Scientific Assistant, CSIR NET

Perovskite solar cells suffer from instability primarily due to:

  1. Moisture sensitivity
  2. Thermal degradation
  3. Ion migration
  4. All of these