A) Gibberellafujikuroi
B) Gelidium
C) Gracelaria
D) Aspergillus
Correct Answer: A
Solution :
The gibberellin was first extracted from Gibberellafujikuroi, the parasitic fungus causing bakanae disease in rice plants, ?yabuta? and ?Sumuki? isolated this substance in Crystaline form and named it as ?gibberellin?. Gelidium and Gracelaria are the members of red algae, they are famous for yielding a jelly- like substance, Aga-agar which is used as culture medium, stabiliser and emulsifier. Aspergillus, is an example of Ascomycetes (sac-fungi). It is known to cause pulmonary disease (aspergillosis). It produces a carcinotoxin called as aflatoxin. Its different species are used in production of citric acid, oxalic acid, antibiotics as aspergillic acid (fiavian) and fumigallin. It commonly develops on the food products leading to food poisoning.
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