$(a)$ What are saprophytes?
$(b)$ Name the kingdom to which they belong.
$(c)$ What is the cell wall of fungi made-up of?

Identify the animal and plant groups having:
$(a)$ Animals without tissues,body bearing pores.
$(b)$ Plant body differentiated into roots,stems and leaves but do not produce seeds.
$(c)$ Body dorsoventrally flattened without coelom.
$(d)$ Segmented worms with true body cavity with extensive organ differentiation.

Match items of column $(A)$ with items of column $(B)$:

Column $(A)$	Column $(B)$
$(a)$ Naked seed	$(A)$ Angiosperms
$(b)$ Covered seed	$(B)$ Gymnosperms
$(c)$ Flagella	$(C)$ Bryophytes
$(d)$ Marchantia	$(D)$ Euglena
$(e)$ Marsilea	$(E)$ Thallophyta
$(f)$ Cladophora	$(F)$ Pteridophyta
$(g)$ Penicillium	$(G)$ Fungi

Mention any one characteristic feature of saprophytes.

Meena and Hari observed an animal in their garden. Hari called it an insect while Meena said it was an earthworm. Choose the character from the following which confirms that it is an insect.

Differentiate between the following:
$(a)$ Tube system of feather star and canal system of $Euplectella$
$(b)$ Skeleton of shark and sea horse
$(c)$ Respiratory organs of tadpole and frog
$(d)$ Forelimbs of birds and lizard
$(e)$ Skin of tree frog and human