INS Aridhaman, Record Defence Exports and Vikram VT 21: Defence MCQs April 2026

Current affairs questions appear in the General Knowledge section of the AISSEE (Sainik School) Class 6 paper and in the GK part of the RMS CET. These 10 original MCQs are built from the important national and international news of April 2026 — defence, science, environment, culture and awards — and are written in the simple style used for school entrance exams.

Quick facts: AISSEE 2027 will be held on Sunday, 31 January 2027. There is no negative marking, so attempt every question. Online applications are open until 2 December 2026 on exams.nta.nic.in/sainik-school-society.

Practice Questions

Q1. India inducted its third nuclear-powered ballistic missile submarine in April 2026. What is its name?

(A) INS Arihant
(B) INS Arighaat
(C) INS Aridhaman
(D) INS Vikrant

Q2. What was India's first nuclear-powered ballistic missile submarine (SSBN)?

(A) INS Arihant
(B) INS Chakra
(C) INS Sindhughosh
(D) INS Kalvari

Q3. India follows a "No First Use" nuclear policy. This means India will ________.

(A) never make nuclear weapons
(B) use nuclear weapons only to respond to a nuclear attack
(C) attack first if threatened
(D) sell nuclear weapons

Q4. India's defence exports reached a record level in FY 2025–26. What was the approximate value?

(A) ₹5,000 crore
(B) ₹12,000 crore
(C) ₹23,622 crore
(D) ₹38,424 crore

Q5. India is the largest troop contributor to the UN peacekeeping mission in which country, where its engineers reopened a flood-hit supply route?

(A) South Sudan
(B) Congo
(C) Lebanon
(D) Cyprus

Q6. Vikram VT 21, developed by DRDO, is a futuristic ________ that will replace the ageing BMP-2.

(A) fighter jet
(B) submarine
(C) Infantry Combat Vehicle
(D) helicopter

Q7. A "tracked" military vehicle moves on ________.

(A) four large tyres
(B) continuous metal tracks like a tank
(C) rails
(D) air cushions

Q8. DIVEX 2026, held in Colombo, was a diving exercise between the navies of India and ________.

(A) Maldives
(B) Bangladesh
(C) Myanmar
(D) Sri Lanka

Q9. The Navy's "IOS SAGAR" initiative is unique because personnel from many countries ________.

(A) serve together as one crew on the same Indian ship
(B) build a new ship together
(C) only meet online
(D) train only on land

Q10. The Indian Navy released which strategy document at the Naval Commanders' Conference 2026?

(A) Blue Water Plan 2030
(B) Indian Navy Maritime Security Strategy (INMSS-2026)
(C) Sagarmala 2.0
(D) Operation Samudra

Answer Key with Explanations

  1. (C) INS Aridhaman — INS Aridhaman was inducted at Visakhapatnam along with the stealth frigate INS Taragiri.

  2. (A) INS Arihant — INS Arihant was launched in 2009 and commissioned in 2016.

  3. (B) use nuclear weapons only to respond to a nuclear attack — No First Use means nuclear weapons are kept only for deterrence and retaliation.

  4. (D) ₹38,424 crore — Exports rose about 63% from ₹23,622 crore in 2024–25 to ₹38,424 crore in 2025–26.

  5. (A) South Sudan — Indian peacekeepers under UNMISS reopened the Malakal–Renk route in South Sudan.

  6. (C) Infantry Combat Vehicle — Vikram VT 21 is an armoured Infantry Combat Vehicle with wheeled and tracked versions.

  7. (B) continuous metal tracks like a tank — Tracks give better grip on rough, uneven and off-road ground.

  8. (D) Sri Lanka — INS Nireekshak took part in the India–Sri Lanka Diving Exercise.

  9. (A) serve together as one crew on the same Indian ship — Sailors from several friendly nations live and work together as a single crew.

  10. (B) Indian Navy Maritime Security Strategy (INMSS-2026) — INMSS-2026 sets maritime priorities for the next decade and aligns with Vision 2047.

How did you score?

9–10 correct: excellent — move on to a full-length mock test. 6–8: good — revise the explanations of the questions you missed. Below 6: study this topic again from your NCERT book and retry these questions after two days.

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