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Hair of bat and feathers of pigeon are

A. homologous structures

B. analogous structures

C. both (a) and (b

D. integumentary derivatives

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  1. The body of Hydra is
  2. A cuttle fish belongs to
  3. In the course of evolution, the true coelom appeared first in
  4. These species inhabiting different geographical areas are
  5. The taxonomic unit of any rank/category is known as
  6. Which of the following groups of characters is present in all chordates in some or other stage in their…
  7. Which one of the following is a metatherian mammal ?
  8. Which of the following is homiother-mous ?
  9. Physalia, the "Portugese man of War" belongs to class
  10. Character common in spider, cockroach and centipede is
  11. Which of the following is a matching set of the class and some of its main distinguishing features?
  12. Which of the following sets belongs to the same class ?
  13. Which of the following is a matching set of groups in animal classification ?
  14. Chief distinguishing features of mammals are
  15. Which of the following does not show J metamerism ?
  16. The order insectivora of class mammalia includes
  17. The animals which are found in the soil, can fly, found on land and in water belong to the phylum
  18. Most important characteristic of the mammal is the presence of
  19. A limbless amphibian is
  20. Cephalophoda is a class of animals in which
  21. The rules for the naming of living organisms were first established by
  22. In title classification of animals a 'family' name is formed by adding
  23. The locust is
  24. Which of the protozoan is considered as connecting link between animals and plants ?
  25. Bony plates are found in addition to scales in
  26. Aphrodite, commonly called as sea mouse is a/an
  27. Which of the following belongs to Mollusca ?
  28. Members of which phylum exhibit adaptations widely varied environmental conditions ?
  29. The beak of birds is toothed in
  30. All worms are mainly