A researcher collected information from four forest using sensors to assess their green cover. Observed average spectral values from each of the forest are given in the table below: The […]
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CSIR NET Life Science Previous Year Questions and Solution on Ecology
Best Spectral Bands for Vegetation Analysis in Remote Sensing
Which of the following is the most appropriate spectral bands for vegetation analysis using remote sensing platforms? (1) Red, Near Infrared (2) Infrared, Visible (3) Red, Microwave (4) Visible, Microwave […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Why Does Tree Productivity Decline With Age? – Exploring the Causes
Possible explanations for the age related decline in primary productivity of trees are: A. As trees grow larger with age, they have more tissues that respire and loose energy and […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Ecosystem Has the Highest Net Primary Productivity? – Comparing Boreal, Swamps, Tundra, and Grasslands
Among the following maximum net primary productivity is observed at (1) Boreal forests (2) Swamps and Marsh (3) Tundra and alpine (4) Temperate grasslands Introduction Net primary productivity (NPP) […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Forest Type Has the Highest Biomass Turnover Time? – Understanding Ecosystem Dynamics
Biomass turnover time is the ratio between biomass and production of an ecosystem. Which of the following forests should have highest biomass turnover time? (1) Tropical dry forests (2) Tropical […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
What Percentage of Photosynthetically Active Radiation Is Used for Photosynthesis?
What percentage of photo active radiation are actually utilized for photosynthesis by plants (1) Lesser then 0.1 (2) 1-3 (3) 10-20 (4) >20 Introduction Photosynthesis is the process by […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Group Has the Highest Assimilation Efficiency? – Comparing Herbivores, Carnivores, Microbivores, and Omnivores
Among the following highest assimilation efficiency is observed in? (1) Herbivores (2) Carnivores (3) Microbivores (4) Omnivores Introduction Assimilation efficiency is a crucial concept in ecology, reflecting how effectively […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Why Is the Earth Still Green Despite Widespread Herbivory? – The Science of Plant Defenses
In spite of the prevalence of large scale herbivory, the earth continues to be largely green because (1) the number of herbivore species is low. (2) herbivores are very inefficient […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Organisms Have the Highest Growth and Production Rates? – Comparing Ectotherms and Endotherms
Organisms with high growth and production are (1) Ectotherm (2) Endotherm (3) Carnivore Insects (4) Detrivores Introduction Growth and production rates are fundamental measures of how quickly organisms can […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
How Much Energy Do Carnivores Actually Assimilate from Herbivores? – Calculating Energy Transfer Efficiency
Primary carnivores consume 40 % production of herbivore and assimilate 70 % of energy. What percentage of energy these carnivores assimilates out of the energy available from herbivores (1) 30 […]
