Degeneracy of genetic code refers to$-$

$(i)$ The codon is read in mRNA in a contiguous fashion. There are no punctuations.
(ii) Some amino acids are coded by more than one codon.
(iii) $UUU$ would code for phenylalanine.
(iv) $GAA$ is a stop terminator codon.
Comparing the above statements (i-iv),select the correct option marked with $T$ (True) and $F$ (False) with respect to the salient features of the genetic code.

The genetic code is called a degenerate code because

$A$ single amino acid can be specified by more than one codon. Such codons are called ......... codons.

How many sense codons code for the $20$ known amino acids?

Which codons signal the termination of the polypeptide chain?