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In which of the phylum, excretory organ like proboscis gland is present?

A. Hemichordata

B. Chordata

C. Echinodermata

D. Annelida

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  1. Which one of the following groups of animals is correctly matched with its characteristic feature without…
  2. Animals like annelids, arthropods, etc. where the body can be divided into identical left and right…
  3. In phylum arthropoda, excretion takes place through
  4. Column-I contains organisms and column-II contains their exeretory structures. Choose the correct match…
  5. Which of the following is a chordate feature and not shared by the non-chordates ?
  6. The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage.…
  7. __________ is responsible for maintaining the current of water in sponge.
  8. Which of the following class is being correctly described by given statements (i - iv)?(i) All living…
  9. A common characteristic of all vertebrates without exception is
  10. Hemichordates have now been placed with the nonchordates, close to echinoderms, because true
  11. Which of the following feature in birds indicates their reptilian ancestory ?
  12. Polyp phase is absent in
  13. The figure given below is the characteristic structure of the phylum in which animals are aquatic, free…
  14. Which of the following statement is incorrect?
  15. Which of the following is a poisonous snake?
  16. Aquatic annelids (like Nereis) possess lateral appendages called ______________, which help in swimming.
  17. Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
  18. Which of the following statements (i - v) are correct ?(i) The pelvic fins of female sharks bear claspers.(ii)…
  19. Identify the figures A, B and C and choose the correct option. 
  20. Column I contains zoological names of animals and column II contains their common name. Match the following…
  21. Which of the following animal's body is covered by calcareous shell and unsegmented with a distinct…
  22. Which of the following characteristic distinguish arthropoda from annelids and molluscs ?
  23. In amphibians, heart is ________ chambered.
  24. Read the following statements and answer the question.(i) They are exclusively marine, radially symmetrical,…
  25. Which of the following statement(s) is/are correct regarding class aves?(i) The forelimbs are modified…
  26. Identify the animals shown in the given figures A, B and C from options given below. 
  27. Which of the following animal contains respiratory organs like, gills, book gills, book lungs or tracheal…
  28. Match the types of animals given in column I with their examples given in column II and choose the correct…
  29. Which of the following group of animals reproduces only by sexual means?
  30. Examine the figures A, B and C. In which one of the four options all the items A, B and C are correctly…