Questions in diversity-of-life

Select	Question
	Most important use of Pheretima posthuma is
	In which of the following class of Annelida, one pair ovaries and several pair testes are found
	Of which the body is made up of $33$ somites
	Aphrodite, commonly known as sea mouse is a
	Members of which phylum exhibit adaptations to widely varied environmental conditions
	Schizocoelic coelom, haemoglobin dissolved in plasma and segmental nephridia are present in the animal is
	In which of the following the segmentation is best represented
	True coelom appeared first in the course of evolution in
	Region of Earthworm which is forest of nepphridia is
	Chloragogen cells are present in