Ecosystem Question 7
7. In an ecosystem the rate of production of organic matter during photosynthesis is termed as
[2015 RS]
(a) Gross primary productivity
(b) Secondary productivity
(c) Net productivity
(d) Net primary productivity
Show Answer
Answer : a
Hints & Solutions
(a) Gross Primary Productivity (GPP) is the rate of production of biomass or accumulation of energy by green plants per unit area per unit time. GPP depends on the chlorophyll content.
