Question

which of the following is an example of biotechnology
1. A petroleum-based lubricant used in farming machinery
2. A driverless, solar-powered automobile
3. A robotic probe on Mars that can detect water
4. A mechanical implant that delivers medicine

Answer 1

The answer to the question is 4. A mechanical implant that delivers medicine.

Answer 2

Answer: 4. A mechanical implant that delivers medicine

Explanation:

Biotechnology is the field of biology that utilizes the knowledge of biology to deals with cases of daily problems of human society by developing technology. A mechanical implant is a device which is manufactured by the human beings so as to perform a desired function of the missing biological structure.  

The mechanical implant can deliver the medicine inside the body. Thus it can be considered as an example of biotechnology.