Q. Which of the following aquatic weeds is not used in production of biogas?
A) Eichhornia crassipes
B) Hydrilla
C) Pistia stratiotes
D) Spirulina
Explanation
Spirulina is a blue - green algae, used as a source of valuable food specifically for proteins. It is not used in production of biogas.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.