Vector for 'kala-azar' disease is

In which part of the human body is the $Plasmodium$ schizont stage found?

The following are the stages of the life cycle of $Plasmodium$. Arrange the stages in the proper order.
$A$. The parasites reproduce asexually in $RBCs$,bursting the cells.
$B$. The parasites reproduce asexually in liver cells,bursting the cells and releasing into blood.
$C$. Gametocytes develop in $RBCs$.
$D$. Sporozoites reach the liver through the blood.
$E$. Female mosquito injects sporozoites into humans during a bite.
Choose the correct answer from the options given below:

What is the spherical sporozoite called after it ingests food from the liver cells?

The poisonous substance released as a result of rupturing of schizont in $R.B.Cs.$ of a malarial patient is:

$A$ bite of the $Tse-tse$ fly may transmit which of the following to humans?