Question

Which of the following is the largest non-poisonous snake?
A. Python
B. Viper
C. Naja hannah
D. Natrix

Answer 1

Snakes are limbless carnivorous reptiles. They are under the suborder Serpentes. They are cold blooded animals. There are more than $3000$ species present on the planet earth. Snakes are covered in scales. Scales are useful in trapping moisture during dry climates. In addition, scales lessen the friction as the snake moves. Using forked tongues, snakes smell and hunt their prey or food.

Complete answer
Option A Python: Python is a non-poisonous snake. It does not contain venom that is harmful to humans. It kills prey by squeezing the prey to death. Python is one of the largest snakes.
Option A is correct
Option B Viper: Viper is one of the moist poisonous snakes. It constitutes $80\%$ of venomous bites in a few geographical areas. It is one of the deadliest snakes.
Hence, Option B is not correct
Option C Naja Hannah: Naja Hannah species comes under king cobra. The toxin exhibited by snakes can cause hemorrhage.
So, Option C is not correct
Option D Natrix : Natrix snake is also called grass snake. It is also known as water snake. The snake is also non-poisonous. But, it is smaller than python.
Option D is not correct.

Hence, Option A is the correct answer

Note:
Venoms of snakes contain a mixture of enzymes, proteins, lipids, amines and carbohydrates. Toxins include hemotoxins, neurotoxins, cardiotoxins and mycotoxins. $600$ species are poisonous in the world. $7\%$ of the total species of snakes can cause significant wounds and kill a human. Tiger snake and wester taipan are one of the poisonous snakes that exist on the planet.