Which one statement regarding "Okazaki fragments" is correct?

After the completion of replication,each $DNA$ molecule consists of:

Given below are two statements:
Statement $I:$
$DNA$ polymerases catalyse polymerisation only in one direction,that is $5^{\prime} \rightarrow 3^{\prime}$.
Statement $II:$
During replication of $DNA$,on one strand the replication is continuous while on the other strand it is discontinuous.
In the light of the above statements,choose the correct answer from the options given below:

What are the functions of deoxyribonucleoside triphosphates $(dNTPs)$?

$DNA$ gyrase,the enzyme that participates in the process of $DNA$ replication,is a type of:

$A$ normal spontaneous rate for a single gene is one mutation in every ...... replications.