How to read this chapter's question shapes
Everything below is a real NEET paper item, and a few question shapes recur. Knowing the way into each is worth as much as knowing the content, because it tells you where to spend your time.
The four-row match. Several of the items below are one. A match question is four questions wearing one coat, and it is rarely necessary to answer all four: find the single row you are surest of, strike every option that contradicts it, and look at what is left. Two confident rows settle nearly every list this chapter sets. Choose the row whose subject you have met most often rather than the one printed first. Where the rows of a list are drawn from different corners of the chapter, no one of them will help you deduce another, so look for the row you already hold rather than trying to reason across them.
The labelled-statement select. Several stems give a set of labelled statements and ask which combination is correct. Do not evaluate all of them. Look first for a statement that is false on a single word, because these papers repeatedly build one by reversing a direction or swapping a qualifier; strike every combination containing it, and see what survives. Sometimes one false statement is enough; more often you will need a second.
The odd-one-out. A stem asking which statement is NOT correct is answered by testing each option against a definition you already hold, not by ranking them for plausibility. Underline the word NOT before you start: reading a negative stem as a positive one is the commonest way to lose a mark you had already earned.
The two-statement pair. Decide each statement alone, and write down the two verdicts, before you look at the relation between them. Where a pair gives a definition and then an example, test the example against the definition rather than judging it on its own.
The ordering item. A sequence is answered from its ends. Fix what must come first and what must come last, and check the surviving options against those two before reading any middle step at all.
[NEET Important] Two habits cost marks in this section specifically. The first is reading a stem's category label carelessly: this chapter runs several parallel classifications over the same small set of names, and an option can be perfectly true of a name while answering a different question from the one asked. The second is treating a term you half-recognise as correct because it sounds clinical. A term can be perfectly real, and perfectly well defined, and still belong to a different part of the syllabus from the one the stem is asking about.