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 […]
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CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Ecosystems Have the Highest Global Primary Production and Highest NPP per Unit Area? – Analyzing Ecosystem Data
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 […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
What Is the Correct Order of Increasing Primary Production? – Comparing Deserts, Oceans, Tropical Deciduous, and Tropical Rainforests
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 […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Ecosystem Has the Highest Productivity/Biomass Ratio? – Comparing Deserts, Oceans, Rainforests, and Grasslands
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 […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Why Do Phytoplankton Invest Little in Protective Structures Against Predators? – Implications for Aquatic Ecosystems
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 […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Ecosystem Shows the Maximum Primary Productivity (P/B)? – Comparing Corals, Mangroves, Oceans, and Lakes
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 […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Why Do Terrestrial Autotrophs Invest More Energy in Indigestible Material Than Aquatic Autotrophs? – Comparing Terrestrial and Aquatic Ecosystems
In comparison to aquatic ecosystem, in terrestrial ecosystem autotrophs invest their most of energy in production of material which are indigestible by heterotrophs because (1) Autotroph diversity is high in […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Elements Have a Global Cycle? – Understanding the Carbon, Sulphur, Boron, and Nitrogen Cycles
8.Among the following which is global cycle- (1) Carbon (2) Sulphur (3) Boron (4) Nitrogen Introduction Elemental cycles are fundamental processes that sustain life and maintain the balance of […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Understanding Trophic Efficiencies in Pond Ecosystems: What Does the Ratio c/p Represent?
In an pond ecosystem, net productivity by zooplankton is ‘p’ and biomass consumed by small fishes is ‘c’, then the ratio of c/p is termed as- (1) Assimilation efficiency (2) […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Statement Supports the Second Law of Thermodynamics in Ecology? – Understanding Energy Flow and Trophic Levels
Which statement supports the second law of thermodynamics- (1) Photosynthetic efficiency of plants is low (2) There is limited numbers of tropic level (3) Energy transfer from one tropic level […]
