Q. Match column I with column II and select the correct combination from the given option.
Column I Column II
A Pond I Man-made ecosystem
B Log of wood II Nano ecosystem
C Forest III Aquatic ecosystem
D Crop field IV Terrestrial ecosystem

 1948  222 Ecosystem Report Error

Solution:

Correct answer is (a) (A)-(III), (B)-(II), (C)-(IV), (D)-(I)