Read the following statements carefully and find out the set of correct statements
a. Suspension culture requires constant stirring at the rate of `100-250` rpm.
b. Development of diseases in a plant depends on the interactions between host genotype and environment, but not on pathogen genotype
c. Black rot of crucifers and red rot of sugarcane are diseasescaused by fungi.
d. It is expected that 125 g of Methylophilus methylotrophus produces 12.5 tonnes of protein per day.
A. b,c
B. a,d
C. b,d
D. c,d