Q. Water hyacinth is generally provided as a notorious
aquatic weed, but it can be a useful plant. Which among the following
statements are correct ?
1) This plant contains certain substances which can be
extracted & used as medicines, herbicides & pesticides
2) This plant can be used to remove many heavy metals
like cadmium, lead & mercury from
water bodies
Codes:
A) Only 1
B) Only 2
C) Both are correct
D) Both are incorrect
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