Biodiversity and Conservation in the NEET Paper
This chapter is one of the most reliable scorers in the whole Botany paper. It is short, it is almost entirely NCERT-verbatim, and NEET returns to the same handful of discriminators year after year. The questions in this set are genuine past-year questions from NEET papers, reproduced with their original options and keys.
What the past papers actually ask. Looking across recent years, the weight falls very unevenly:
| Area | How it is asked |
|---|---|
| In situ vs ex situ | The single most repeated axis. Asked as a definition, as "which is an example of", and as "which is not a method of" - in both directions. |
| The Evil Quartet | Asked as the closed set of four, as "the most important cause", and as multi-statement questions that slip in mutation, migration or pollution as a false member. |
| Named ecologists | Robert May (7 million), Alexander von Humboldt (species-area), Paul Ehrlich (rivet popper), David Tilman (outdoor plots) - almost always as a Match List item. |
| The Earth Summit | The year (1992), the place (Rio de Janeiro) and what it called for. |
| Numbers | Global species diversity, Amazon species counts and their descending order, extinction rates. |
| Alien species | Nile perch, Lantana, water hyacinth, and the Abingdon tortoise as an assertion-reason item. |
How to use this set. Two habits pay for themselves here. First, on any "which is not" question, read the stem twice - a large share of the marks lost on this chapter are lost to students who correctly identify the three in-situ methods and then tick one of them. Second, on multi-statement and Match List questions, verify every letter before choosing; NEET builds the distractors so that three of the four matches are correct in each wrong option.
One honest note on repetition. Several questions in this set test the in situ / ex situ distinction in slightly different words. That is not padding - it is exactly what the real papers do, and seeing the same idea arrive in five different disguises is the most useful preparation this set can give you.