Which of the following is a unit of primary productivity?

Category: QuestionsWhich of the following is a unit of primary productivity?
Editor">Editor Staff asked 3 months ago

Which of the following is a unit of primary productivity?
 
(a) g
 
(b) g^-2 or kcal m^-2
 
(c) kcal
 
(d) m
 
I have been asked this question in exam.
 
I need to ask this question from Ecosystem topic in section Ecosystem of Biology – Class 12

1 Answers
Editor">Editor Staff answered 3 months ago

The correct answer is (b) g^-2 or kcal m^-2
 
The explanation: The unit of primary productivity is the weight (g^-2) or weight (kcal m^-2). The rate at which the solar energy is converted and stored by the producers per unit area over a time period is called primary productivity.