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UPSC 2023: Consider the following actions : 1. Detection of car crash/collision which results in the deployment of airbags almost instantaneously 2. Detection of accidental free fall of a laptop towards the ground which results in the immediate turning off of the hard drive 3. Detection of the tilt of the smart- phone which results in the rotation of display between portrait and landscape mode In how many of the above actions is the function of accelerometer required?
(a)Only one
(b)Only two
(c)All three
(d)None
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Not attemptedCorrect Answer: (c) All three
1) Agricultural drones are officially encouraged in India for precision pesticide spraying under SMAM guidelines. 2) Scientific teams regularly fly heavy-lift drones into active volcano craters (e.g., Poás, 2025) for gas and soil sampling. 3) The SnotBot programme collects whales’ exhaled ‘blow’ using drones for DNA and hormone analysis. Hence all three activities are already being carried out successfully with drones. ([pib.gov.in](https://www.pib.gov.in/PressReleseDetailm.aspx?PRID=1883176&utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2023 Science & Technology question?▼
The correct answer is option (c): All three. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Defence Technology question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2023, GS Paper 1, as Question 54. It falls under Science & Technology > Defence Technology.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Defence Technology?▼
UPSC has asked 21 questions from Defence Technology (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.