Q. Which of the following statements are correct? I. Least productive ecosystems are deserts and deep lakes II. Sugarcane is the most productive crop III. Most productive ecosystem is coral reef Choose the correct option
A) I and II
B) I and III
C) II and III
D) I, II and III
Explanation
(i) Deserts have the lowest primary productivity as the soil is deficient in moisture (ii) Some plants have more efficiency to trap sunlight (sugar cane), so they accumulate more primary productivity (iii) Productivity is maximum in the coral reefs because they grow in areas having good light, enough warm water and abundant nutrients
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.