The amount of biomass or organic matter produced per unit area over a time period by plants during…
The amount of biomass or organic matter produced per unit area over a time period by plants during photosynthesis is called:
Secondary production
Primary production
Gross primary production
Net primary production
Solution
Productivity is the total amount of biomass or organic matter produced per unit area. Over a period of time by plants. This is also called Primary production.
$\rightarrow$ Productivity of consumer is called Secondary production.