Characteristics of some organisms are given. Identify their group and give one example of each.
$(a)$ Single-celled,eukaryotic,and photosynthetic.
$(b)$ The body is divided into segments,may be unisexual or hermaphrodite.

The locomotory organs of $Echinodermata$ are:

Which of the following is not an Annelid?

$A$ well-defined nucleus is absent in

Fill in the blanks:
$(a)$ Five kingdom classification of living organisms is given by ..............
$(b)$ Basic smallest unit of classification is .............
$(c)$ Prokaryotes are grouped in Kingdom ...............
$(d)$ Paramecium is a protista because of its ...............
$(e)$ Fungi do not contain .............
$(f)$ $A$ fungus ............. can be seen without microscope.
$(g)$ Common fungi used in preparing the bread is ...............
$(h)$ Algae and fungi form symbiotic association called ...........

State reasons for the following:
$(i)$ Tapeworms do not have a digestive tract.
$(ii)$ Frogs have both skin and lungs for breathing.
$(iii)$ $A$ whale is a mammal,not a fish.