Which of the following is required for both laboratory and field studies?

Which one of the following criteria is/are essential and form the basis of modern taxonomic studies?

Match the names of branches of biology listed under column $I$ with the field of study given under column $II$; choose the answer which gives the correct combination of the alphabets of the two columns.
Column $I$ (Branch of biology) | Column $II$ (Field of study)
$A$ Palynology | $p$ Silkworms
$B$ Oncology | $q$ Pollens
$C$ Phycology | $r$ Cancer
$D$ Sericulture | $s$ Algae

Which of the following scientific names is written correctly according to the rules of binomial nomenclature?

Match the common names of organisms with their scientific names and select the correct option:

Common Name	Scientific Name
$(1)$ Modern Human	$(W)$ $Pheretima\,posthuma$
$(2)$ Extinct Human	$(X)$ $Zea\,mays\,L.$
$(3)$ Maize	$(Y)$ $Homo\,sapiens\,sapiens\,L.$
$(4)$ Earthworm	$(Z)$ $Homo\,erectus\,L.$

Read the statements given below and identify the incorrect statement.