Hy,
Please share your college/university details with us then we will be able to tell you about the exam pattern of business economics in bcom 1 year.
You should know this fact that different universities and colleges have different exam patterns for particular subjects and for curriculum.
By sharing your respective college/university it will help us to give you the in-depth knowledge regarding your particular subject and exam pattern.
I hope you get my point and do share your details with us so that we can help you out with your query.
I wish you all the best.
Cheers !!