Q. Read the following four statements (A-D). How many of them are wrong :
(A) Colostrum is recommended for the newborn, because it is rich in antigen.
(B) Chikungunya is caused by a Gram-negative bacterium.
(C) Tissue culture has proved useful in obtaining virus-free plants.
(D) Beer is manufactured by the distillation of fermented grape juice. (i) Four (ii) Three (iii) Two (iv) One