Short answer: no
Long answer: Wouln't recommend it. If you look at your exam papers you'll see that such a strategy could have worked in the likes of 2019 or 2018. However, it does happen often where only the first three questions are micro questions and the rest are macro. To really "cover yourself" you'd know the entire syllabus off. If you want to really narrow down what you have to learn though, just make sure you know the micro section like the back of your hand as well as a few macro sections that come up often (e.g. National Income related question). Disclaimer: I'm just a lad on the internet so take what is said with a bucket of salt.