And speaking of numbers, let’s start there, because they matter more than any pep talk I could give you. That particular year, 114,114 candidates applied for just 1,891 available seats. Of those, 102,093 actually sat for the exam, and only 7,621 were declared successful, a pass rate of roughly 7.46 percent.

I’m not sharing this to scare you into a panic spiral at midnight; I’m sharing it so you understand exactly what kind of battlefield you’re stepping onto, because walking in unaware of the scale is how good students end up blindsided. As the old saying goes, forewarned is forearmed, and nowhere is that truer than in an exam hall where 0.75 marks can shift your rank by fifty places. Read that again if you need to. That’s not an exaggeration; that’s the actual margin this exam runs on.

So, how do you prepare for something this unforgiving without losing your mind, especially if, like me, your primary focus was engineering admissions rather than DU specifically?

My approach was deliberately lightweight from day one, not because I underestimated the exam, but because I genuinely couldn’t justify building an entirely separate preparation track on top of everything else. Instead, I folded DU prep into my existing routine. Whenever I finished a chapter for my main engineering prep, I made it a habit to also solve every exercise from the original textbook, not just the coaching-provided question banks.

Here’s the logic behind that: admission tests, DU’s A Unit especially, are fundamentally testing how solid your basics are, and nothing builds a foundation quite like the actual textbook exercises the syllabus was built around. Coaching materials are useful, but they’re built on top of that foundation, not a replacement for it. Think of it like construction: you can hang all the fancy fixtures you want, but if the foundation is shaky, none of it holds.

Next comes a decision every A Unit aspirant has to make honestly with themselves: which subject combination will you actually answer? I went with PCMB, since that aligned with what I was already strongest in. If you’re considering a backup combination, that’s completely valid; plenty of successful candidates do exactly that. But understand it comes with a cost: you need to prepare for that backup with genuine seriousness, not as an afterthought.

Confidence has a strange domino effect in exam halls. The moment you hit one question you’re shaky on, that uncertainty tends to bleed into the next question, and the one after that, even if you actually knew the material. Walking in half-prepared on a backup subject isn’t really a safety net; it’s a trapdoor waiting to open at the worst possible moment.

Now, here’s something that catches a lot of engineering-track students off guard: you cannot use a calculator in the DU A Unit exam. All calculations happen by hand, which means you need to genuinely practise mental maths and manual calculation techniques well before exam day, not discover the gap on the day itself. Some questions involve finding roots of numbers, which sounds intimidating until you realise there are quick manual techniques for this readily available on YouTube, the kind of five-minute tutorial that can save you real minutes in the exam hall later. Don’t skip this step assuming you’ll “figure it out under pressure.” You won’t. Practise it now, calmly, at your desk, so your hands already know the motion when the clock is running.

Physics, in my experience, becomes genuinely manageable once you know the shortcuts, and the honest way to learn them is repetition through question banks. Some banks explicitly walk you through shortcut techniques, and in other cases, you’ll start noticing patterns yourself after solving enough similar problems, essentially building your own personal shortcut library through sheer repetition. There’s a certain satisfaction in that too, watching a problem that once took four minutes shrink down to ninety seconds because your brain has quietly automated the process.

Chemistry, thankfully, is close to a natural extension of your board exam preparation. If your board-level chemistry is genuinely solid, the A Unit chemistry section won’t feel like an entirely new mountain to climb, more like familiar terrain with a slightly steeper incline.

Biology deserves its own honest note. The questions themselves tend to be short and fact-based rather than long or analytical, so reviewing previous years’ question patterns will give you a strong sense of what to expect. One fair warning, though: biology questions rarely repeat exactly, so don’t fall into the trap of simply memorising past answers and hoping for a rerun. Understand the pattern of how questions are framed, not just their content.

Time management across sections is where a lot of otherwise well-prepared students quietly lose their edge. Some maths problems will eat far more time than they’re worth relative to their marks, so build in a strategy to recover that time elsewhere. Personally, I trained myself to answer all four biology questions within eight minutes flat, freeing up extra time to breathe through the sections that demanded more careful calculation. Think of your exam time like a fixed budget: overspend on one section, and you will feel the shortage somewhere else, so decide in advance where you can afford to move quickly and where you genuinely need to slow down.

One more piece of advice, small but genuinely important: don’t panic-fill your top sheet or any critical identification information. It sounds like such a minor detail compared to the actual subject matter, but a shaking hand and a rushed mind can turn a simple form into a costly mistake, the kind that costs you marks you never should have lost in the first place. Take the ten extra seconds. Breathe. Fill it in properly. The exam hasn’t even really started yet at that point, so there’s no need to let panic show up before the real questions do.

If I had to compress this entire article into a single guiding principle, it would be this: the DU A Unit doesn’t reward last-minute heroics nearly as much as it rewards quiet, consistent groundwork laid months in advance. There’s an old proverb that fits perfectly here, that a journey of a thousand miles begins with a single step, and in this case, that single step is simply solving one more textbook exercise today, calmly, without waiting for some perfect moment of motivation to strike.

I hope this gives you a clearer, more concrete roadmap than the vague “just study hard” advice most people throw around during admission season.

You’ve got the numbers now, you’ve got the subject-by-subject breakdown, and hopefully a little more calm heading into a genuinely tough exam. In the next article, I’ll be writing about the Buet admission test. Until then, take it one exercise at a time, and don’t let the scale of this exam convince you that you don’t belong in the room. You do.

Read part 3: https://tbsgraduates.net/campus/diaries-of-an-admission-season/the-mist-dilemma-and-the-du-b-unit-gamble-part-iii/

Read part 2: https://tbsgraduates.net/campus/diaries-of-an-admission-season/the-medical-heartbreak-and-the-mist-comeback-part-ii/

Read part 1: https://tbsgraduates.net/campus/diaries-of-an-admission-season/choosing-the-battlefield-part-i/