UPSC Prelims 2020
Science & Technology
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?
Explanation
In Andhra Pradesh, drones were banned from spraying fertilizers, however, it is practised in many parts of the world. In Peru, a crater was inspected with the help of drones. It has also been used for collecting water samples from aquatic animals to get their DNA data. All three functions mentioned have been performed in different parts of the world.