Final answer:
OACETT was formed in 1965 as a professional association for engineering technicians and technologists in Ontario, under the umbrella of Professional Engineers of Ontario, previously known as APEO. Option B is correct.
Step-by-step explanation:
The Ontario Association of Certified Engineering Technicians and Technologists (OACETT) was formed under the Professional Engineers of Ontario (PEO), which was formerly known as the Association of Professional Engineers of Ontario (APEO). The correct answer to the question is: B) 1965.
OACETT was established to provide a professional association for engineering technicians and technologists in Ontario. Its formation helps to ensure standards of practice, ethics, and professional recognition within the engineering technology field in Canada. Answering this question requires knowledge of the historical development of professional engineering associations in Canada, specifically in the province of Ontario.