A) fungus
B) mycoplasma
C) bacteria
D) mineral
Correct Answer: B
Solution :
Witches broom in peanut is caused by mycoplasma. These are unicellular, prokaryotic, non-flagellate organisms having no definite shape hence, called, pleomorphic. Bacteria causes several diseases in plants such as galls, canker, leafspot, blights, soft rot etc.
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