Hello aspirant,
Both of these courses msc in biotechnology and msc in nutrition and dietics. Both of these have a lot of scope in their own field so you can apply for any of these.
Scope in msc biotechnology..
... after doing master in biotechnology you can go either in medical field or you can go in agriculture field its upto you.
. scope after doing msc in nutrition and dietics..
You can be a nutritionist or professor.
So good luck.