What do you understand by the term $diploblastic$? Give one example of an organism that is $diploblastic$.

State the importance of classification.

The book $Systema \text{ } Naturae$ was written by:

In taxonomic hierarchy,family comes between

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.

Who introduced the system of scientific nomenclature of organisms?