In the binomial nomenclature system,an organism is named using two words. What are those two words?

Which of the following is the highest taxonomic category?

In the scientific name $Homo$ $sapiens$ $sapiens$,what does '$c$' indicate?
$\frac{Homo}{a}$ $\frac{sapiens}{b}$ $\frac{sapiens}{c}$

Four statements are given below regarding species. Which two statements are correct?
$(1)$ Maximum similarity in maximum number of characters.
$(2)$ First letter in capital letter.
$(3)$ Latin word written after the scientific name.
$(4)$ Repetition of the species name is not possible.

Rice,cereals,monocots and plants represent

The dried plant specimen on the basis of which a new species is described for the first time is called ..........