Wonders of Nature

Wonders of Nature

UNIT 1 CHPATER NO.4 ANIMAL KINGDOM

Question carrying one mark each 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. Why classification of animal is important ? What is the use of classification of animals ? What is body symmetry ? What is coelom ? What is issue level of organization ? What organ level of organization ? What is incomplete digestive system ? What is complete digestive system ? What is mesoglea ? What are coelomates ? What are pseudocoelomeates ? What are acoelomates ? What is the nature of mesoderm in pseudocoelomeates? From which germinal layer, not chord is derived ? What are germ layers ? What are chordates ? What is notochorda ? Where do you find notochord in chordates ? Which group of animal is called sponges ? Where do you find pariferans ? Write an example of an primitive multicellular level of organization animal. Where does the water move in sponge body ? What are ostia ? What is the function of ostia ? Name the central cavity of the sponges ? What is osculum ?

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27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57.

What is the function of canal system ? What are choanocytes ? Name the skeleton support of sponge body ? What is the nature of fertilization in poriferans ? What is the nature of development of ponferans ? What is indirect development ? What is the difference between lavva and adult Give an example for marine sponge ? Name an fresh water sponge. Which sponge is called bath sponge ? What are sessile animals ? What are cnidocytes or cnidoblasts ? Name the cell which has stinging capsule What are nematocytes ? What is the function of cnidoblost cells ? Name the group of animals which possess cnidoblastis ? Write expansion form of G.V.C. ? What is hypostome ? Name the hard calcareous skeleton of cnidarians. Name the cylindrical body form of cnidarian. Name the umbrella shaped free swimming form of cnidarian....

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