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Biology

Ecosystem

85 questions from 36 papers, each with its answer.

Practise Ecosystem

85 questions
36 papers
2.41% of Biology

Showing 2026 3 of 85 questions

Topic

Ecological Pyramids

1 question

1 2026 Medium

Ecological pyramids represent the relationship between the organisms at different trophic levels and they are generally inverted for:

Primary and secondary productivity

1 question

2 2026 Medium

Match List I with List II:

Pick the matching item from Column II for each row.
Column I
- i. Productivity Match for i
- ii. Net primary productivity Match for ii
- iii. Gross primary productivity Match for iii
- iv. Secondary productivity Match for iv
Column II
- a. Gross primary productivity minus respiration losses
- b. Rate of formation of new organic matter by consumers
- c. Rate of biomass production
- d. Rate of production of organic matter during photosynthesis
Correct answer: i → c, ii → a, iii → d, iv → b

Decomposition process

1 question

3 2026 Medium

Match List I with List II:

Pick the matching item from Column II for each row.
Column I
- i. Decomposition Match for i
- ii. Detritus Match for ii
- iii. Mineralisation Match for iii
- iv. Humification Match for iv
Column II
- a. Accumulation of dark coloured amorphous colloidal substance
- b. Release of inorganic nutrients by the activity of microbes in soil
- c. Breaking down of complex organic matter into inorganic substances
- d. Dead remains of plants and animals including fecal matter
Correct answer: i → c, ii → d, iii → b, iv → a

That is every question in Ecosystem for this filter.

Show all 85 questions Next: Biodiversity and Conservation

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