What is the significance of upwelling zone for marine ecosystems? (1) It is responsible for uniformity of temperature in ocean to support the marine life. (2) It brings nutrients from […]
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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CSIR NET Life Science Previous Year Questions and Solution on Ecology
Plant Productivity Per Day Per Unit Leaf Area: Which Ecosystem Ranks Highest?
Which of the following options lists ecosystems in increasing order of plant productivity per day per unit leaf area? (1) Tropical forests, hot deserts, temperate forests (2) Hot deserts, temperate […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Daily Net Primary Productivity (NPP) Per Unit Leaf Area: How Do Ecosystems Compare?
58. Which of the following is the correct increasing order for the daily net primary productivity (NPP) per unit leaf area in different ecosystems ? (1) Deserts < Temperate forests […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Ranking Ecosystems by Root:Shoot Ratio: Which Ecosystem Allocates Most Biomass Belowground?
Which of the following is a correct ranking of ecosystems based on the roots: shoot ratio of plants? (1) Tropical wet forest > Tropical dry forest > Temperate grassland > […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Understanding Ecological Pyramids: Matching Pyramid Types to Ecosystems
Given below is an ecological pyramid. The above pyramid represents: (1) Pyramid of number of a parasitic food chain and pyramid of biomass of a pond ecosystem (2) Pyramid of […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Statement About Herbivores and Food Chains Is Incorrect? Key Ecological Facts
Which one of the following statement is NOT correct? (1) Herbivores enhance the productivity of a productive ecosystem and reduce the productivity of an unproductive ecosystem. (2) Detritus based food […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Understanding Energy Flow in Ecosystems: Key Generalizations and Their Ecological Significance
Following are some of the generalizations regarding energy flow in an ecosystem: A. Assimilation efficiency of carnivores is higher than herbivores. B. Consumption efficiency of aquatic herbivores is higher than […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Understanding Energy Efficiencies: Ectotherms vs. Endotherms
Following are certain statements regarding energy efficiencies of ectotherms and endotherms: A. Ectotherms have high assimilation efficiency but low production efficiency. B. Ectotherms have low assimilation efficiency but high production […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Digestion Efficiency vs. Ecological Efficiency: Comparing Ectotherms and Endotherms
Which of the following is true about the Digestion Efficiency (DE)-(assimilation/consumption) and Ecological Efficiency (EE) (production/consumption) of ectotherms and endotherms? (1) Endotherms have a high DE and ectotherms have a […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
What Is Lindeman’s Efficiency? Understanding the Formula and Its Components
Lindeman’s efficiency between trophic levels is depicted by the formula: Efficiency = A/B Where, A and B, respectively are: (1) ‘assimilation at trophic level n’ and ‘assimilation at trophic level […]
