Which one of the following statements about corals is NOT CORRECT? (1) Corals possess special stinging cells called nematocytes in their tentacles for capturing prey. (2) Several corals have mutualistic […]
Tag: CSIR NET Life Science Previous Year Questions on Ecosystem Ecology
Tag: CSIR NET Life Science Previous Year Questions on Ecosystem Ecology
CSIR NET Life Science Previous Year Questions and Solution on Ecosystem Ecology
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Ranking Ecosystems by Their Contribution to Global Net Primary Production
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- June 24, 2025
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Consider the following ecosystems. A. Tropical rain forests B. Open ocean C. Algal beds and Coral reefs D. Marshes and Swamps Which one of the following options represents these ecosystems […]
Which Curve Best Represents the NPP/GPP Ratio Across Latitudes? – Understanding Global Patterns in Ecosystem Carbon Use Efficiency
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- June 24, 2025
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Which one of the following curves correctly depicts the relationship of the NPP/GPP ratio with latitude? (1) A (2) B (3) C (4) D Introduction The ratio of Net […]
Which Ecosystems Have the Highest Total Net Primary Production? – Ranking the World’s Major Ecosystems
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- June 24, 2025
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Which one of the following options correctly lists ecosystems of the world arranged according to the descending order of their average world net primary production (billion kcal/yr)? (1) Tropical rain […]
Which Statement About Global Ocean Ecosystem Productivity Is NOT Correct? – Analyzing Key Facts
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- June 24, 2025
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Which one of the following statements pertaining to global ocean ecosystem productivity is NOT correct? (1) Higher chlorophyll concentrations and the general higher productivity observed around the equator is driven […]
Which Ecosystems Have the Highest Global Primary Production and Highest NPP per Unit Area? – Analyzing Ecosystem Data
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- June 24, 2025
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Study the global ecosystem data provided in the following table. Based on the data provided in the table, choose the correct option that represents ecosystems with the highest global primary […]
What Is the Correct Order of Increasing Primary Production? – Comparing Deserts, Oceans, Tropical Deciduous, and Tropical Rainforests
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- June 24, 2025
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Correct order for increasing order of primary production is (1) Ocean-Desert-Tropical deciduous forest-Tropical rain forest (2) Desert-Tropical deciduous-Ocean-Tropical rain forest (3) Tropical rain forest-Ocean-Tropical deciduous- Deserts (4) Tropical deciduous-Desert-Ocean-Tropical rain […]
Which Ecosystem Has the Highest Productivity/Biomass Ratio? – Comparing Deserts, Oceans, Rainforests, and Grasslands
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- June 24, 2025
- 4 Comments
Among the following which has highest Productivity/Biomass ratio (1) Desert (2) Ocean (3) Rain forests (4) Grassland Introduction Ecosystems vary widely in how efficiently they convert sunlight and nutrients […]
Why Do Phytoplankton Invest Little in Protective Structures Against Predators? – Implications for Aquatic Ecosystems
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- June 24, 2025
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Phytoplankton spends very’ little energy on developing protective structures against predator, this suggest that why (1) Assimilation efficiency is high in aquatic ecosystem (2) Productivity of aquatic ecosystem is low […]
Which Ecosystem Shows the Maximum Primary Productivity (P/B)? – Comparing Corals, Mangroves, Oceans, and Lakes
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- June 24, 2025
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Among the following maximum primary productivity (P/B) is seen in? (1) Corals (2) Mangroves (3) Oceans (4) Lakes Introduction Primary productivity is a fundamental measure of ecosystem health and […]


