How many hydrogen bonds connect adenine to thymine?

$DNA$ strands are antiparallel because of:

In the structure of $DNA$,if one nitrogenous base is adenine,which nitrogenous base pairs with it?

What do the genes found on mitochondrial $DNA$ exhibit?

Which of the following is the primary component of $DNA$?

Study the following statements:
$(I)$ Bacteriophage lambda has $48502$ base pairs $(bp)$
$(II)$ $E. \text{ coli}$ has $4.6 \times 10^6$ $bp$
$(III)$ Haploid content of human $DNA$ is $3.3 \times 10^9$ $bp$
Find the option for the incorrect statement.