The correct option is
B Meiosis
Apomixis refers to substitution of the usual sexual reproduction by a form of asexual reproduction which does not involve meiosis and syngamy. There are two main categories of apomixis- Vegetative reproduction (plants propagate through body parts other than seed) and Agamospermy (seed is retained as agent of propagation but the embryo is formed by some process in which normal meiosis and syngamy have been eliminated).
So, the correct answer is 'Meiosis'