Q. The rate of biomass production per unit area over a time period by plants during photosynthesis is called
A) Gross primary productivity
B) Net primary productivity
C) Secondary productivity
D) Decomposition
Explanation
The rate of synthesis of organic matter or biomass, produced at any trophic level during a given period of time is called productivity. It is measured as weight $g^{- 2}yr^{- 1}$ or energy $(kcal/m^{2}$/yr)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.