SawaalBoxसवाल बॉक्स
2003 · Q53Science & TechnologyDefence TechnologymoderateAnswer disputed

With reference to Indian defence, which one of the following statements is correct?

  1. (a)With the induction of Prithvi II, the IAF is the only air force in the world with surface-to-surface ballistic missiles under its command
  2. (b)Sukhoi-30 MKI jet fighters can launch air-to-air and air-to-surface precision missiles
  3. (c)Trishul is a supersonic surface-to-air missile with a range of 30 km
  4. (d)The indigenously built INS Prabal can launch surface-to-surface missiles

No answer is recorded for this question: (Ambiguous (both b and d are correct))

2026 · Q45Science & TechnologyDefence Technologydifficult

The Bureau of Indian Standard (BIS) recently introduced a national standard to test and assess bomb disposal system. Which of the following statements with regard to this system is/are correct ? 1. The new standard is known as IS 19445 : 2025. 2. It will improve interoperability of equipment across agencies. 3. It was developed by TBRL, DRDO in collaboration with the 30th Central Scientific Research Institute, Russia. Select the answer using the code given below :

  1. (a)1, 2 and 3
  2. (b)2 and 3 only
  3. (c)1 and 2 only
  4. (d)1 only
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Official answer(c) 1 and 2 only

2026 · Q68Science & TechnologyDefence Technologymoderate

Which of the following statements with regard to stealth technology is/are correct ? 1. Stealth objects have a very small radar cross-section and are coated with Radar Absorbing Material. 2. Stealth objects can be detected using specific frequencies. 3. Stealth objects are coated with metamaterials to increase the scattering of electromagnetic radiation. Select the answer using the code given below :

  1. (a)1 only
  2. (b)2 and 3 only
  3. (c)1 and 2 only
  4. (d)1, 2 and 3
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Official answer(c) 1 and 2 only

2026 · Q72Science & TechnologyDefence Technologymoderate

Which of the following statements with regard to drone swarms is/are correct ? 1. They use Terahertz band of frequency to communicate with the command centre. 2. Individual drones in the swarm can communicate with other drones in the swarm. 3. GPS Spoofing is a commonly used technique to counter drone swarm attack. Select the answer using the code given below :

  1. (a)1 only
  2. (b)2 and 3 only
  3. (c)1 and 2 only
  4. (d)1, 2 and 3
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Official answer(b) 2 and 3 only