Choose the correct statements with reference to reproduction in paramecium
(a) Micronucleus divides by mitosis and micronucleus by amitosis
(b) Micronucleus is polyploid and macronucleus is diploid
(c ) After karyokinesis, parent cell divides into two daughter cells, anterior proter and posterior opisthe
(d) It undergoes transverse binary fission during favourable conditions.
A. (a),(b) and (d)
B. (b),(c ) and (d)
C. (a), (c ) and (d)
D. (a),(b) and ( c).