A title, supervisor(s), abstract (10)
Is all clear and neat?
A clearly defined research question and corresponding sub-questions (20)
Can the research question be answered?
Do answers to the sub-questions indeed help in an understanding of the research problem or even in solving the research problem?
Are the sub-questions detailed enough?
Overview of the state of the art of the literature (20)
One expects that the research problem is grounded in the literature and that each sub-question or field has a small section of relevant literature.
All parts of the thesis should be grounded in or at least connected to the literature.
Methodology (20)
Do I get a clear picture of the used resources?
E.g., for data, do I get a clear picture of the data, its state, its availability, how much it is, how dirty, how much work to process, etc, etc.
Are the methods which will be used described in enough detail, so that I can picture what will be done exactly?
Is the evaluation appropriate? That is, do I understand how each sub-question is answered by the evaluation?
Risk assessment (10)
Is it complete?
Is it realistic?
Is the backup plan executable?
Project plan (20)
Is it complete? (I.e., every part of the work covered.)
Is it realistic?
Does it give a clear picture of what will be done when?
Is it possible to evaluate whether the student is on schedule at any point in time?

This is the data science research proposal. which is impacting in food formula by changing ingredients level. And following the example structure.