<prompt>  All are true about communicability of Malaria,except -The number of gametocytes in blood increases with timeGametocytes appear in blood 4-5 days after the appearance of the asexual parasite, in vivax infection.Gametocytes appear in blood 10-12 days after the appearance of asexual parasite, in falciparum infectionIn the early stage of infection, their density may exceed 1000 per cmm of blood. 