Q. Primary productivity is I. is 10% less than secondary productivity II. is the rate of formation of new organic matter by consumers III. is expressed in terms of weight or energy IV. is the amount of biomass or organic matter produced per unit area over a time period in plants during photosynthesis Which of the statements given above are correct?
A) I, II and III
B) I and II
C) III and IV
D) II and IV
Explanation
The amount of biomass or organic matter produced per unit area over a time period in plants during photosynthesis is called primary production. It is expressed in the terms of weight $(g^{- 2})$ or energy $(kcal\ m^{- 2})$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.