BD Marine Cadet Admission common mistakes
BD Marine Cadet Admission · Understand the traps and how to avoid them.
Spending too long on one reading comprehension passage and leaving the final passage unanswered, so a quarter of the English section is lost to blank responses rather than wrong ones.
Candidates read the passage word by word and re-read sentences to feel confident, so a single passage can absorb 15 minutes; with a fixed total time the last passage is never reached, and many do not realise unanswered items score zero just like wrong ones.
What to do instead
Practise with a hard per-passage cap of 8-10 minutes. Skim the questions first, then read for the answers. Train a rule: if a question is not solved in 60 seconds, mark a placeholder answer and move on, returning only if time remains.
Writing answers to grammar and vocabulary items from how the sentence sounds rather than checking the rule, so subject-verb agreement, tense sequence, and preposition collocations are answered by ear.
School English is often taught communicatively, so candidates have strong fluency intuition but weak explicit grammar knowledge; spoken habits and regional usage override the written standard the exam tests, especially with third-person singular, perfect tenses, and fixed prepositions.
What to do instead
Keep a one-page rule sheet for the ten most tested points (subject-verb agreement, articles, tense sequence, comparatives, prepositions after common verbs). For each practice item, write the rule that justifies the answer before checking the key.
Losing marks in Mathematics by leaving answers in the wrong form or unit, for example giving a fraction where a decimal is required, omitting units, or not simplifying ratios and surds.
Candidates focus entirely on getting a numerical value and treat presentation as irrelevant; many also work mentally and write only the final figure, so unit conversions in speed, time, and distance problems are skipped.
What to do instead
Adopt a fixed answer routine: value, unit, and required form, checked in that order. In practice, do full working for every problem and compare the form of the answer with the form demanded in the question before moving on.
Applying formulas in Mathematics without checking the conditions that make them valid, such as using the compound interest formula for simple interest, or treating a triangle as right-angled when no right angle is given.
Revision is often formula memorisation without the conditions attached, so candidates pattern-match keywords to formulas; word problems deliberately supply familiar numbers in unfamiliar settings, and the mismatch is not noticed.
What to do instead
For every formula on the revision sheet, write its validity conditions beside it. Before computing, underline the given data and state in one line why the chosen formula applies. Practise mixed problem sets where similar-looking problems require different methods.
Substituting numbers into a Physics equation before converting all quantities to SI units, so centimetres, grams, and minutes are mixed with metres, kilograms, and seconds.
Candidates learn formulas in isolation and treat unit conversion as a separate topic; under time pressure they grab the numbers in the order given, and a single unconverted quantity corrupts the result without any obvious warning.
What to do instead
Make unit conversion the first written step of every numerical problem: list each given quantity with its SI value before selecting an equation. Include a dimension check at the end, and drill conversion of area, volume, and speed units specifically.
Describing physical phenomena in everyday language instead of the precise terms the marking scheme expects, such as saying 'heat rises' rather than describing convection currents, or confusing mass with weight.
Everyday phrasing feels correct and is reinforced by common speech, while textbook definitions are memorised only vaguely; candidates also confuse closely related quantities (mass and weight, speed and velocity, heat and temperature) because they never wrote the distinctions out.
What to do instead
Build a definitions table pairing each everyday phrase with the accepted scientific statement and the key distinguishing feature. Answer explanation questions in full sentences using the textbook term, then self-mark against the definition list.
Writing unbalanced chemical equations or omitting state symbols, and describing reactions from memory rather than from the actual reactants given in the question.
Balancing is practised separately from reaction prediction, so candidates write a remembered equation and forget to check atom counts; state symbols and conditions are treated as decoration, and similar-looking reactants are assumed to behave alike.
What to do instead
Use a fixed sequence for every equation: identify products, balance atom by atom, then add state symbols and conditions. Count atoms on both sides as a written check, and practise predicting products from the reaction type rather than recalling a memorised equation.
Answering General Knowledge and Current Affairs items from vague impressions, choosing an option because the name looks familiar rather than because the fact is known.
Candidates cram lists of facts without dates or context, so items about recent appointments, treaties, or maritime organisations blur together; exam-setters use plausible distractors that share the same region or field as the correct answer.
What to do instead
Maintain a dated fact log organised by theme (national events, international organisations, maritime affairs, sports, awards) and review it weekly rather than once. When a fact is genuinely unknown, eliminate options on verifiable grounds instead of guessing by familiarity.
Failing the medical and physical fitness assessment through avoidable preparation errors, such as poor eyesight uncorrected, low BMI, or being unable to complete the timed run and swim standards on the day.
Candidates treat the medical as a formality and train only in the final weeks; vision and weight problems need months to address, and test-day nerves, inadequate sleep, or unfamiliar conditions degrade performance below practice levels.
What to do instead
Obtain the published standards early and get a preliminary medical check at least six months before the exam. Build a progressive training plan for the run, swim, and strength items, and rehearse the full sequence under timed conditions at least twice before the assessment.
Mismanaging the answer sheet and time across sections, including misaligned bubbling after skipping a question, no time buffer, and arriving without the required documents or fitness certificate.
Candidates rehearse content but never rehearse the mechanics of the exam day; skipping a question without marking its number causes a one-position shift that can invalidate a whole block, and administrative omissions are discovered too late to fix.
What to do instead
Do at least three full mock exams under real timing with the same answer sheet format, practising the skip-and-mark routine. Prepare a checklist of documents and certificates and confirm them a week before, and plan to arrive early enough to settle before the first section.