![]() Evaluate this classification comparing salient features of each class. But they are classified into two different classes of the phylum Vertebrata. (SAY-2013)įish like body without scales and paired fins.Ī) Name the class in which this animal belongs.įrogs, Salamanders, Tortoise and Crocodiles are seen in both water and land. The following are the key characteristics of an animal group. All are marine with organ system level of organization. These animals have endoskeleton of calcareous ossicles. Yes, Star fish belongs to the kingdom Echinodermata. Do you agree with him? Evaluate his statement with reasons. Observing starfish in a marine aquarium your friend commented that itisfa lower invertebrate without dis-tinct head, eyes and legs. Rearrange both the biological category and Taxon based on taxonomical hierarchy. ![]() (MARCH-2013)Ī) To which phylum does this organism belong?ī) Identify the possible phyla to which the other or-ganism can be included.Ĭ) Which distinctive feature of this organism will help you to categorize it into a particular phylum? Observing the morphology, it is clearthat the organisms are radially symmetrical. In acselminthes celom is not lined by mesodermĭuring a seashore visit, a student collected two or-ganisms. Organisms of this phylum are radially symmetrical, triploblastic and coelomate with a complete digestive system.Ĭ) What are the distinctive features of this phylum?Ĭ) They are triploblastic and coelomate animals.Ī) Pick out the acoelomate organism from the following: (MARCH-2013)ĭ) What is the coelomic condition of other organ-isms? Substantiate your answer.Ĭ) parasitic or absorption through body surface Is it possible to compare the water vascular system of phylum Echinodermata to circulatory system of man in some aspeyafe? Justify your answer. (MARCH-2012)Ĭ) Mention foursalient features of the phylum. The following diagram shows the characteristics of a phylum. (SAY-2011)įind the relationship between given words and suggest the suitable word for the fourth place. ![]() Table and give suitable heading for each group.Ĭomplete the table using correct terms. Rearrange the following statements in two column (SAY-2011) (MARCH-2011)Ĭ) Jointed appendages/chitinous exoskeleton (MARCH-2011)Ĭomplete the columns using the appropriate phylum, distinctive features and excretory organs. Identify and differentiate between these classes. Without Metameric segmentation – The body is not divided externally and internally into segmentsįigure A and B are the fishes of two different classes. Animals possessing coelom are called coelomates Radially symmetrical – When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry.Ĭoelomate – The body cavity, which is Iined by mesoderm is called coelom. (SAY-2010)Ī) Dog fish, Hag fish, Sawfish, Flying fishī) Glutamic acid, Lysine, Valine, CollagenĪ taxonomist described a new organism as triplo- blastic, radially symmetrical, coelomate and without metameric segmentation: (SAY-2010)Ī) What do you understand by each term of his description?ī) Give an example of an organism of the same phylum that he had described.Ī) Trioloblastic – The developing embryo of an animal has a third germinal layer, mesoderm, in between the ectoderm and endoderm, is called (SAY-2010)įind the odd one from each group. Fill the gaps marked as a and b with the help of the diagram given. The flow of sea water through the canal system of sponges is shown using arrows. (SAY-2010)Īsterias, – Hirudinaria, – Octopus, HydraĪsterias – Echinodermata, Hirudinaria – Annelida, octopus – Molluscs, Hyrda – Coelenterata (Cnidaria) Group the following animals on the basis of symmetry and given a suitable title for each category. (MARCH-2010)Ĭlassify the organisms below based on segmentation: (MARCH-2010) Observe the organization chart given below and fill appropriately. Sapiens → Homo → Hominidae → Primata → Mammalia → Chordata. Rearrange the following in the correct taxonomic hierarchical sequence: (MARCH-2010) Kerala Plus One Zoology Chapter Wise Previous Questions Chapter 2 Animal Kingdom
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