"Fairy Ring" problem in lawn is caused by -

Correct option is C

· Correct answer: (c) Soilborne fungi
· Fairy Ring is caused by soilborne fungi, which create circular patterns of mushrooms or grass growth on lawns. These fungi affect the soil by decomposing organic matter and releasing nitrogen.
Other options:
· (a) Bacteria: Bacteria do not typically cause fairy ring symptoms.
· (b) Airborne fungi: Airborne fungi can cause diseases but not fairy rings.
· (d) Virus: Viruses cause diseases in plants but not fairy rings.