Consider the following statements regarding com smut disease and choose the correct answer:
1. No symptoms appear on the host plant before the formation of smut ball
2. The smut balls appear on the ears or stems
3. The galls at an early stage are dark coloured and inedible
4. Towards maturity the tumours tum sooty due to spore formation inside

A. Only 1, 2 and 3 are true

B. Only 1, 2 and 4 are true

C. Only 3 and 4 are true

D. 1, 2, 3 and 4 are true

Answer: Option B