Which of the following animals has a ventral nerve cord

A. Frog

B. Cockroach

C. Hydra

D. Earthworm

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. The most important characteristic of class aves is
  2. The centipede has
  3. Tube in the tube' plan is exhibited by one of the following phyla :
  4. The type of symmetry best suited to non-motile organisms is
  5. The phylum arthropoda is characterised by the presence of
  6. Aside from a three chambered heart, reptiles are characterised by the presence of
  7. Chief distinguishing features of mammals are
  8. An insect differs from a spider in the following ways :
  9. The concept of homology can be applied to
  10. Nauplius larva belongs to
  11. Which of the following is not a true amphibian animal ?
  12. True fishes possess gills and fins. Which of the following is not a true fish ?
  13. Binomial system of nomenclature in classification was divided by Carolus Linnaeus. It provides the names…
  14. Which of the following belongs to Mollusca ?
  15. Taenia, Periplaneta and Pheretima are non-chordates because
  16. Monotremata is a group of animals which includes
  17. Apart from mammals, the other group of animals maintaining high and constant body temperature is
  18. Physalia, the "Portugese man of War" belongs to class
  19. Cephalophoda is a class of animals in which
  20. The term Thylum' in taxonomy was given by
  21. Which of the following has a diaphragm between the thorax and abdomen
  22. Which one of the animals does not have a segmented body ?
  23. Which of the following belongs to the same phylum ?
  24. Tube feet are the locomotory organs found in
  25. What is common to fishes, amphibians and reptiles ?
  26. For finding a haemocoel which animal you will select ?
  27. Which of the following is not a diploblas-tic group ?
  28. Which one of the following sets has all hermophrodite animals ?
  29. One of the following is not a true fish :
  30. Animals belonging to order Rodentia have