A

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Q. Poison glands of snakes are homologous to

  • (A) electric organs of fishes
  • (B) stings of rays
  • (C) sebaceous glands of mammals
  • (D) salivary glands of vertebrates
  • Correct Answer - Option(D)
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Explanation by: Admin

 

  • Homologous structures are those that have a common evolutionary origin but may serve different functions.
  • The poison glands of snakes evolved from salivary glands in vertebrates.
  • In snakes, these glands have been modified to produce venom, which is delivered through specialized fangs.
  • In other vertebrates, salivary glands primarily help in digestion and lubrication of food.

Thus, the poison glands of snakes are homologous to the salivary glands of vertebrates.

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