Question

Total primary production in an ecosystem is known as____________________

(a) Gross final production

(b) Gross primary production

(c) Gross middle production

(d) Net primary production

This question was posed to me during an interview for a job.

The doubt is from Structure and Functions of an Ecosystem in portion Ecosystems of Energy Management

Answer 1

Right choice is (b) Gross primary production

For explanation: The total amount of productivity in a region is gross primary productivity. Primary productivity is the rate at which energy is converted by photosynthetic and chemosynthetic autotrophy to organic substances.