Class 12 · Biology
Ecosystem NEET Questions
100 verified questionsNCERT chapter mappedFree practiceAutomatic error log
Build recall in Ecosystem through active solving. This bank covers the complete chapter with original NEET-style MCQs, worked explanations and chapter-level NCERT provenance—without pretending original questions are previous-year questions.
Practice Ecosystem free →Question preview
Three examples from the live 100-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
In an ecosystem, the rate of formation of new organic matter by consumers is called:
- A. Gross primary productivity
- B. Net primary productivity
- C. Secondary productivity
- D. Standing crop
Example 2 · difficulty 2/5
In a grassland ecosystem, the gross primary productivity is 700 g m⁻² yr⁻¹ and the producers lose 250 g m⁻² yr⁻¹ through respiration. The net primary productivity of this ecosystem is:
- A. 950 g m⁻² yr⁻¹
- B. 450 g m⁻² yr⁻¹
- C. 280 g m⁻² yr⁻¹
- D. 1750 g m⁻² yr⁻¹
Example 3 · difficulty 1/5
On a completely bare rock surface undergoing primary succession, the organisms that appear FIRST and begin the process of soil formation are:
- A. Lichens
- B. Mosses
- C. Herbaceous plants
- D. Small shrubs
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 Ecosystem NEET questions are available?
NeetVellum publishes 100 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Ecosystem for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.