World’s most problematic aquatic weed is:
a. Azolla
b. Wolffia
c. Eichornia
d. Trapa
NCERT Class XII
Biology - Main Course Book
Chapter 16. Environmental Issues
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Answered by
4
Eichornia is the world's most problematic weed.
(It spreads all over the water body with in very less time and deprives the aquatic organisms of water.)
(It spreads all over the water body with in very less time and deprives the aquatic organisms of water.)
Answered by
3
Eichornia is the world's most problematic weed.
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