The excretion in $Entamoeba \ histolytica$ takes place by

Ciliates differ from all other protozoans in

Which kingdom consists of organisms that are simple,predominantly aquatic,and unicellular eukaryotes?

Which of the following is not a characteristic of dinoflagellates?

Which of the following pairs come under the group chrysophytes?

Consider the following statements and select the correct set of features with respect to the life cycle of acellular slime moulds:
$a.$ Haploid vegetative stage as myxamoebae
$b.$ Diploid vegetative stage as plasmodium
$c.$ Capillitium
$d.$ Photosynthetic protists
$e.$ Sporic meiosis
$f.$ Isogamous sexual reproduction
$g.$ Anisogamous sexual reproduction with zygotic meiosis