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 […]
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
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 […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
How Entropy Explains Energy Flow in Ecosystems
In ecosystem the concept of entropy is used to explain (1) Photosynthesis efficiency (2) Energy flow (3) Population growth (4) Competition Introduction Ecosystems are complex networks where energy and […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Where Are Pneumatophores Found? – Exploring the Unique Root Adaptations of Mangroves
The special roots termed as pneumatophores are visible at (1) Mangroves (2) Oceans (3) Epiphytes (4) Salt stress Introduction Pneumatophores are one of nature’s most fascinating adaptations for plant […]
