Loading...
UPSC 2020: Consider the following activities : 1. Spraying pesticides on a crop field 2. Inspecting the craters of active volcanoes 3. Collecting breath samples from spouting whales for DNA analysis At the present level of technology, which of the above activities can be successfully carried out by using drones ?
(a)1 and 2 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3
Attempt This Question
Not attemptedCorrect Answer: (d) 1, 2 and 3
Agricultural drones are already used worldwide for precision spraying of pesticides; volcano-monitoring missions have deployed rugged drones to sample gas and map craters; projects like ‘SnotBot’ use drones to hover over whales and collect blowhole exhalate for DNA and hormone analysis. Thus all three activities listed can presently be done with drones, making option (d) correct. ([theexampillar.com](https://theexampillar.com/upsc-prelims-exam-2020-paper-1-general-studies-answer-key-in-english/?utm_source=openai))
Related UPSC Questions
More from Defence Technology
2023moderate
Consider the following actions : 1. Detection of car crash/collision which results in the deployment of airbags almost instantaneously 2. Detection of
2024moderate
Consider the following activities: 1. Identification of narcotics on passengers at airports or in aircraft 2. Monitoring of precipitation 3. Tracking
2024moderate
Consider the following aircraft: 1. Rafael 2. MiG-29 3. Tejas MK-1 How many of the above are considered fifth generation fighter aircraft?
Related Science & Technology Topics
2020Biotechnology & Genetics
In the context of recent advances in human reproductive technology, “Pronuclear Transfer” is used for
2020Computer & Information Technology
With the present state of development, Artificial Intelligence can effectively do which of the following? 1. Bring down electricity consumption in ind
Frequently Asked Questions
What is the correct answer to this UPSC 2020 Science & Technology question?▼
The correct answer is option (d): 1, 2 and 3. 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 2020, GS Paper 1, as Question 42. 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.