Question

Which one of the following is poisonous?

• A. Naja naja
• B. Rat snake
• C. Python
• D. Double mouth snake

Answer 1

The correct option is A Naja naja

Naja naja is the most common species which causes snake bite. The poisonous venom majorly attacks the central nervous system which stops the sensation by blocking the impulse transmission of the nervous system. The Indian cobra's venom mainly contains a powerful post-synaptic neurotoxin and cardiotoxin. The venom acts on the synaptic gaps of the nerves, thereby paralyzing muscles, and in severe bites leading to respiratory failure or cardiac arrest.

So, the correct answer is option A.