What type of eggs are found in reptiles and birds?

Statement $A$: The name 'Reptilia' is derived from the Latin word 'repere' or 'reptum',which means 'to creep' or 'to crawl'.
Statement $B$: Since they creep or crawl,it is not necessary that all animals of the class Reptilia are limbless.

The type of vertebrae in sub-order $Ophidia$ is

Some reptiles show autotomy,which means:

Which of the following is a poisonous snake?

Typhlops is a/an ........