NCERT gives a productivity in kilocalories…

NCERT gives a productivity in kilocalories. A grassland has a net primary productivity of $2150\ \text{kcal}$ in each square metre in a year. One kilocalorie is $4.184\ \text{kJ}$.

1. What is the NPP in kJ for each square metre in a year? Give a whole number.

1. An A-Level book gives the GPP of the same grassland as $19\,000\ \text{kJ}$ for each square metre in a year. How many kJ do the plants use in respiration? Use the answer of (a), rounded to the whole number.