For this days both are give you excellent job opportunity.
You can choose any one in which you have more interesting

M.SC in Biotechnology jobs are

• Research associate
• Research scientist
• Biotech product analyst
• lecturer
• Lab technician
• Biotechnology researcher
• Senior associate scientist
• Production manager

For M.Sc in food technology jobs are

• Bacteriologist
• Food Technologist
• Toxicologist
• Dairy Technologist
• Farm Manager
• Agricultural Inspector

for more information about biotechnology you can visit here
https://www.careers360.com/courses/biotechnology-course

for more information about food technology you can visit here
https://www.careers360.com/courses/food-technology-course

Thank you. I hope this answer helps you.