CUET UG · Biology / Biological Studies (Domain)
Ecosystem
Components, energy flow, ecological pyramids, productivity, decomposition, nutrient cycles.
Test yourself on Ecosystem
5 real CUET UG questions with instant answers — no signup, ~3 minutes.
Study notes are still being prepared.
Don't wait — Shishya can teach you this topic right now, on demand.
Ask Shishya to teach this →Need more? Ask Shishya
Shishya is your personal tutor for this topic. Pick a starter or open a free chat.
- Go deeper on this topicGo deeper on Ecosystem for CUET UG — examples and edge cases I should know.
- Show me exam shortcutsGive me 3 fastest shortcuts to solve Ecosystem questions in the exam.
- What mistakes should I avoid?What are the most common mistakes students make on Ecosystem? How do I avoid them?
- Quiz me adaptivelyQuiz me on Ecosystem — start with one easy question, then go harder based on how I answer.
Practice this topic
Take a full mock →Q1 · Ecosystem · EASY
In an ecosystem, the rate of production of organic matter during photosynthesis is called
Q2 · Ecosystem · EASY
Which of the following organisms play the most important role in releasing nutrients from detritus back into the ecosystem?
Q3 · Ecosystem · MEDIUM
In a pond ecosystem, if the gross primary productivity is 5000 kcal/m²/year and the respiration losses by producers are 2000 kcal/m²/year, what is the net primary productivity?
Q4 · Ecosystem · MEDIUM
In a grassland ecosystem, the standing crop of producers is 400 g/m², primary consumers is 60 g/m², and secondary consumers is 8 g/m². If these values represent dry biomass, which type of ecological pyramid will be upright?
Q5 · Ecosystem · MEDIUM
In an aquatic ecosystem, the standing crop of phytoplankton at a given time is measured to be 80 g/m². If the gross primary productivity is 120 g/m²/day and the net primary productivity is 75 g/m²/day, what is the rate of respiratory loss per day?