The zoological name of the common Indian Krait is:

Which of the following is a non-poisonous viviparous snake?

The only poisonous lizard in the world is:

Given below are two statements:
Statement $I$: The class name Reptilia refers to creeping or crawling mode of locomotion.
Statement $II$: All organisms belonging to Reptilia have three chambered heart.
In the light of the above statements, choose the most appropriate answer from the options given below:

Poisonous fangs of a snake are modified:

Animals that crawl on their bellies are known as: