Daily MCQs · UPSC Prelims · Free

Ten Prelims questions.
Every day.

A fresh set of ten UPSC Prelims MCQs every morning — Indian Polity, International Relations, Science & Technology and Internal Security, and Sports — each with its answer and a detailed explanation.

Latest set · Day 27

Tuesday, 27 October 2026

Subject

Science & Technology and Internal Security

Questions
10
Released
270
Subjects
4

The next batch of questions is being prepared — new sets resume shortly.

Latest set · Day 27

Science & Technology and Internal Security

Tuesday, 27 October 2026 · Permalink

0/10 answered

  1. Q1·Internal Securityeasy

    Under India's cybersecurity institutional architecture, CERT-In is primarily associated with:

  2. Q2·Computingeasy

    Edge computing primarily seeks to:

  3. Q3·Military Exerciseseasy

    Exercise VARUNA is a bilateral naval exercise between India and:

  4. Q4·Cybersecuritymedium

    Consider the following statements regarding a zero-trust security architecture:

    1. 1.It assumes that network location alone is not sufficient evidence of trust.
    2. 2.Authentication and authorization can be continuously evaluated based on identity, device, context and risk.
    3. 3.Once a user enters an internal network, the user is permanently trusted.

    Which of the statements given above are correct?

  5. Q5·Hybrid Warfaremedium

    A state actor simultaneously uses cyber disruption, disinformation, economic pressure and conventional military signalling below the threshold of open war. This combination is best described as:

  6. Q6·Edge Computingmedium

    Consider the following statements:

    1. 1.Edge computing can reduce latency by processing data near the source.
    2. 2.It can reduce the volume of raw data sent to a central cloud.
    3. 3.Edge computing requires that no cloud infrastructure be used anywhere in the architecture.
  7. Q7·Dark-Web Monitoringmedium

    Consider the following statements regarding lawful dark-web monitoring for cybercrime intelligence:

    1. 1.It can help identify stolen credentials, illicit marketplaces or emerging threat indicators.
    2. 2.Intelligence obtained from underground sources automatically proves that every associated claim is true.
    3. 3.Corroboration and evidentiary validation remain necessary for law-enforcement action.
  8. Q8·Missile Defencedifficult

    Consider the following pairs:

    1. 1.Surface-to-air missile — interception of aerial targets from a surface-launched platform
    2. 2.Ballistic missile — flight involving a powered phase followed by a substantial ballistic trajectory
    3. 3.Cruise missile — generally sustained powered flight through much of its trajectory
    4. 4.Air-to-air missile — normally launched from a surface vehicle to engage aircraft

    How many pairs are correctly matched?

  9. Q9·Maritime Security and Drug Traffickingdifficult

    A trafficking network shifts from direct maritime shipment to small coastal craft and transshipment through multiple jurisdictions. Which security principle is most relevant?

  10. Q10·Hybrid Threats and National Securitydifficult

    A hostile actor combines cyber intrusion through a contractor, satellite-navigation interference, manipulated audiovisual material, illicit financial transfers and covert maritime movement. Which response architecture is most appropriate?

How Daily MCQs work

  1. 01

    A new set every morning

    10 UPSC Prelims MCQs, one subject a day, rotating through Polity, IR, S&T and Internal Security, and Sports.

  2. 02

    Practice or exam mode

    See each answer as you go, or answer all ten and submit — scored the UPSC way, with negative marking.

  3. 03

    Every answer explained

    A detailed explanation with each question: why the right option is right, and where the traps are.

  4. 04

    A monthly compilation

    At the end of each month, every question released that month in one downloadable document, in Student Access.

The archive

Every day so far

  • Polity
  • IR
  • S&T · Security
  • Sports

Monthly compilation

Every question of the month, in one document

At the end of each month, all the MCQs released that month — with answers and explanations — are compiled into a single document, ready to download from Student Access: your free account on the Roundtable IAS learning platform (enrol once in Daily MCQ Practice). The same daily sets are there too, with your attempts saved.

Open Student Access
  • October 2026

    270 questions so far

    Out on 31 Oct

Preparing for Mains as well?

See the Mains-First Programme