How much is the productivity of landmass?

Category: QuestionsHow much is the productivity of landmass?
Editor">Editor Staff asked 3 months ago

How much is the productivity of landmass?
 
(a) 115 billion tons
 
(b) 170 billion tons
 
(c) 55 million tons
 
(d) 170 million tons
 
I had been asked this question in semester exam.
 
Origin of the question is Ecosystem in section Ecosystem of Biology – Class 12

1 Answers
Editor">Editor Staff answered 3 months ago

Correct choice is (a) 115 billion tons
 
For explanation I would say: Productivity is the rate of new biomass production by an individual, population, community within an ecosystem. The productivity of landmass is approximately 115 billion tons.