Productivity and Decomposition — Prelims Questions

Which of the following statements about Gross Primary Productivity (GPP) and Net Primary Productivity (NPP) is correct?

Which of the following is the correct sequence of steps in the decomposition process?

Which of the following factors would generally slow down the rate of decomposition?

If the Gross Primary Productivity (GPP) of an ecosystem is $2000,\text{kcal/m}^2/\text{year}$ and the respiration (R) by producers is $800,\text{kcal/m}^2/\text{year}$, what is the Net Primary Productivity (NPP) of this ecosystem?

Which of the following is NOT a primary factor influencing primary productivity in an ecosystem?

Humus is a dark-colored amorphous substance that is: