Environment and Ecology
2022
Ecology & Ecosystems
UPSC Practice Question
"If rainforests and tropical forests are the lungs of the Earth, then surely wetlands function as its kidneys." Which one of the following functions of wetlands best reflects the above statement?
A.The water cycle in wetlands involves surface runoff, subsoil percolation and evaporation.
C.Wetlands play a vital role in maintaining sedimentation balance and soil stabilization.
B.Algae form the nutrient base upon which fish, crustaceans, molluscs, birds, reptiles and mammals thrive.
D.Aquatic plants absorb heavy metals and excess nutrients.