Q. Agar-agar is obtained from
A) $Chlorella$
B) $Spirogyra$
C) $Ulothrix$
D) $Gelidium$
Explanation
$Gelidium,\ Graccilaria\ and\ Pterocladia$are red algae having industrial importance. They produce a jelly like substance agar-agar which used as culture medium with a number of different uses.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.