Real organs are absent in

$(a)$ In which two ways do amphibians differ from fishes?
$(b)$ Identify the phylum of organisms having the following characteristics:
$(i)$ Pore-bearing animals and radial symmetry.
$(ii)$ Body spiny and radial symmetry.
$(c)$ Why do gymnosperms not require water for fertilization?

Which among the following produce seeds?

You are provided with the seeds of gram,wheat,rice,pumpkin,maize,and pea. Classify them into monocot and dicot seeds.

Classify organisms of kingdom $Protista$ on the following basis and give an example of each:
$(a)$ Based on structure for locomotion.
$(b)$ Based on mode of nutrition.

Match the items of Column $(A)$ with the items of Column $(B)$:

Column $(A)$	Column $(B)$
$(a)$ Pore bearing animals	$(A)$ Arthropoda
$(b)$ Diploblastic	$(B)$ Coelenterata
$(c)$ Metameric segmentation	$(C)$ Porifera
$(d)$ Jointed legs	$(D)$ Echinodermata
$(e)$ Soft bodied animals	$(E)$ Mollusca
$(f)$ Spiny skinned animals	$(F)$ Annelida