Ecosystem Structure and Function — Prelims Questions

Which of the following statements about energy flow in an ecosystem is INCORRECT?

If the Gross Primary Productivity (GPP) of an ecosystem is $2000,kcal,m^{-2}yr^{-1}$ and the respiration losses (R) by producers are $400,kcal,m^{-2}yr^{-1}$, what is the Net Primary Productivity (NPP) of this ecosystem?

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

Which of the following ecosystems has the highest Net Primary Productivity (NPP) per unit area?

If a primary consumer (herbivore) in an ecosystem consumes $5000,J$ of energy from producers, how much energy would typically be available to a secondary consumer (carnivore) feeding on this herbivore, according to the 10% law?

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