Question

Productivity is the rate of production of biomass expressed in terms of
(i) `("kcal"m^(-3))yr^(-1)`
(ii) `g^(-2)yr^(-1)`
(iii) `g^(-1)yr^(-1)` (iv) `("kcal"m^(-2))yr^(-1)`
A. ii
B. iii
C. ii and iv
D. I and iii

Answer 1

Correct Answer - c
productity is the rate of production of biomass matter by any trophic level per unit area over a time period. It is expressed/measured in term of weight `(e.g., gm//m^(2)//y^(2))" or energy "(e.g.,kcal//m^(2)//yr)`.