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#Biting Mechanism of Snakes in Hindi #Zoology B.Sc. ii
#विषैले व विषविहीन सर्प
#Rehan's Biology
#Poisonous and Non poisonous snakes
#Differences between Poisonous and Non Poisonous Snakes
#Poison apparatus of snakes
#सर्पो की दंश विधि
Snakes are reptiles which may be poisonous or non poisonous. Poisonous snakes contain a Poison gland and Poison teeth or Fangs in their upper jaw.