Class 12 · Biology
Biodiversity and Conservation
NEET questions.
Build recall through active solving with original NEET-style MCQs, worked explanations and chapter-level NCERT provenance.
150 verified questions · NCERT chapter mapped · automatic error log
BiologyPlate 13
NeetVellum atlas · fig. biology
13
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Three examples from the live 150-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
Alexander von Humboldt observed that, within a region, species richness increases with increasing explored area, but only up to a limit. Which equation correctly expresses this species-area relationship, where S is species richness, A is area, and C and Z are constants?
- A. S = C + ZA
- B. log A = log S + Z log C
- C. log S = log C + Z log A
- D. S = C − Z log A
Example 2 · difficulty 3/5
In the species-area relationship log S = log C + Z log A, the regression coefficient Z is usually 0.1 to 0.2 for small islands (e.g., plants in Britain) but rises to 0.6 to 1.2 for vast continental tracts such as tropical forests. A very steep slope (high Z value) indicates that:
- A. species richness climbs sharply with area, so even a moderate shrinkage of habitat eliminates a disproportionately large number of species
- B. species richness stays practically unchanged as the sampled area increases
- C. beyond a certain point, exploring additional area yields virtually no new species
- D. the community is dominated by generalist species with very wide geographic ranges
Example 3 · difficulty 2/5
Species diversity generally decreases from the equator towards the poles. Evaluate the following proposed explanations for the greater biodiversity of the tropics: (i) Tropical environments, being less seasonal and more constant, promote niche specialisation; (ii) Temperate regions underwent repeated glaciations, giving them extra time for speciation; (iii) The tropics receive greater solar energy, supporting higher productivity. Which combination is correct?
- A. (i) and (ii) only
- B. (i) and (iii) only
- C. (ii) and (iii) only
- D. (i), (ii) and (iii)
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Biodiversity and Conservation NEET questions are available?
NeetVellum publishes 150 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Biodiversity and Conservation for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.