One of the following aquatic weed has been exploited for biogas produc – McqOptions

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1.	One of the following aquatic weed has been exploited for biogas production [CPMT 1995]
A.	Cryptostegia
B.	Ceratophyllum
C.	Eicchornia
D.	Vallisneria
Answer» D. Vallisneria

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