Science – MCQ – GK Questions

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science medium mcq science — meteorology upsc prelims & mains (gs1/gs3), ssc cgl, state psc

A study by IITM Pune found that what approximate proportion of Southwest monsoon rain mass evaporates mid-air over the north Western Ghats before reaching the ground?

  1. 10%
  2. 25%
  3. 40%
  4. 60%
science medium mcq science & technology — health/biotechnology upsc prelims (gs3), ssc cgl, banking ga

In modern protein biosensors, which synthetic molecules have become the preferred recognition element over antibodies due to their greater stability and lower production cost?

  1. Peptide nucleic acids (PNAs)
  2. Aptamers
  3. Monoclonal fragments
  4. Ribozymes
science medium mcq science — health/veterinary upsc prelims (gs3), ssc cgl, banking ga

India reported its first confirmed detection of Parrot Bornavirus 4 (PaBV-4), which is a causative agent of which disease in psittacine birds?

  1. Avian Influenza
  2. Newcastle Disease
  3. Proventricular Dilatation Disease
  4. Psittacosis
science medium mcq science & technology — critical minerals/resources upsc prelims & mains (gs3), ssc cgl, banking ga

Which gas has recently emerged as a critical strategic resource amid global supply concerns, owing to its importance in semiconductors, space applications, and healthcare, following an export ban by China?

  1. Neon
  2. Helium
  3. Argon
  4. Xenon
science easy mcq chemistry rrb ntpc, ssc, railway rrb ntpc graduate cbt-1 shift 1

Which of the following compounds is commonly known as baking soda?

  1. Sodium carbonate
  2. Sodium bicarbonate
  3. Calcium carbonate
  4. Sodium hydroxide
science easy mcq chemistry rrb ntpc, ssc, railway rrb ntpc graduate cbt-1 shift 1

Which postulate of Dalton's Atomic Theory was proven wrong by the discovery of subatomic particles?

  1. Isotopes of the same element have different masses.
  2. Atoms retain their identity in chemical reactions.
  3. Atoms of different elements have different masses.
  4. Matter consists of indivisible atoms.
science easy mcq biology rrb ntpc, ssc, railway rrb ntpc graduate cbt-1 shift 1

Consider a hypothetical population of rabbits experiencing logistic growth. If the carrying capacity of their environment is 1000 individuals and the current population is 500, what would you expect to happen to the population?

  1. The population will decline rapidly due to resource depletion.
  2. The population will continue to grow exponentially without constraints.
  3. The population will experience a sudden crash followed by a rapid rebound.
  4. The population growth will slow down and eventually stabilize near the carrying capacity.
science easy mcq physics rrb ntpc, ssc, railway rrb ntpc graduate cbt-1 shift 1

Working of hydraulic lift and hydraulic brakes is based on:

  1. Faraday's law
  2. Gay-Lussac's law
  3. Pascal's law
  4. Coulomb's law
science easy mcq iiser tirupati research output upsc, ssc, banking, railway, state pcs

As per the annual report presented at IISER Tirupati's seventh convocation in July 2026, what was the external research funding received by the institute during the academic year 2025-26?

  1. ₹31 crore
  2. ₹36 crore
  3. ₹41 crore
  4. ₹46 crore
science medium mcq iisers and scientific research in india upsc, ssc, banking, railway

Dr. G. Satheesh Reddy, member of the National Security Advisory Board, participated as chief guest at the seventh convocation of IISER Tirupati in July 2026. Which of the following statements about IISER Tirupati's achievements is correct?

  1. IISER Tirupati was ranked 10th in the Nature Index 2026 among Indian academic institutions
  2. IISER Tirupati was ranked 20th in the Nature Index 2026, jumping from 33rd position in 2025
  3. IISER Tirupati received external research funding of ₹51 crore during 2025-26
  4. IISER Tirupati researchers published 360 papers in international journals during 2025-26
science hard mcq environmental science - climate finance architecture upsc prelims, ssc cgl, railway ntpc

Which fund under UNFCCC specifically supports developing countries in meeting the costs of climate change adaptation?

  1. Green Climate Fund
  2. Adaptation Fund
  3. Least Developed Countries Fund
  4. Special Climate Change Fund
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 easy mcq technology - digital financial inclusion upsc prelims, ssc cgl, banking po

Jan Dhan-Aadhaar-Mobile (JAM) trinity aims to:

  1. Reduce leakages in welfare schemes
  2. Enable direct benefit transfers
  3. Promote financial inclusion
  4. All of these
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 medium mcq environmental science - climate risk assessment upsc prelims, ssc cgl, banking po

Physical climate risk assessment evaluates hazards based on:

  1. Exposure of assets/population
  2. Vulnerability of systems
  3. Probability of extreme events
  4. All of these
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