Highest annual net primary productivity is of

Which one of the following ecosystem types has the highest annual net primary productivity ?

Which one of the following ecosystem types has the highest annual net primary productivity

Which one of the following ecosystem types has the highest annual net primary productivity

Which one of the following ecosystem types has the highest annual net primary productivity

Which one of the following ecosystem has the highest annual net primary productivity? (i) Temperate deciduous forest (ii) Tropical rain forest (iii) Tropical deciduous forest (iv) Temperate evergreen forest

Which one of the following ecosystem type has the highest annual net primary productivity?

What is the annual net primary productivity of whole biosphere?