Pick the odd one out and justify your choice by giving reasons:
$(a)$ Moss,Fern,Pinus,Spirogyra.
$(b)$ Sea Cucumber,Octopus,Feather Star,Starfish.

Write true $(T)$ or false $(F)$ for the following statements:
$(a)$ Whittaker proposed five kingdom classification.
$(b)$ Monera is divided into Archaebacteria and Eubacteria.
$(c)$ Starting from Class,Species comes before the Genus.
$(d)$ Anabaena belongs to the kingdom Monera.
$(e)$ Blue green algae belongs to the kingdom Protista.
$(f)$ All prokaryotes are classified under Monera.

Write one difference for each of the following pairs:
$(i)$ Thallophyta and Bryophyta
$(ii)$ Nematoda and Annelida
$(iii)$ Amphibia and Reptilia

Fill in the blanks:
$(a)$ Fungi shows .............. mode of nutrition.
$(b)$ Cell wall of fungi is made up of ..............
$(c)$ Association between blue-green algae and fungi is called as ..............
$(d)$ Chemical nature of chitin is ..............
$(e)$ .............. has the smallest number of organisms with the maximum number of similar characters.
$(f)$ Plants without well-differentiated stem,root,and leaf are kept in ..............
$(g)$ .............. are called as amphibians of the plant kingdom.

On the basis of the following features,identify the group and give one example of each:
$(i)$ Presence of notochord at some stage of life.
$(ii)$ Unicellular,microscopic,and eukaryotic.
$(iii)$ Seeds are enclosed in fruits.

Give one example of each:
$(a)$ Reptile which has a four-chambered heart.
$(b)$ Egg-laying mammal.
$(c)$ Parasitic Platyhelminthes.
$(d)$ Division among plants which has the simplest organisms.