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SKMMR PUC SIRA, , FIRST YEAR BIOLOGY, , ANIMAL KINGDOM, , CHAPTER 4: ANIMAL KINGDOM - Phylum Chordata, ONE MARK QUESTIONS:, 1., , Mention any one of three basic characters of chordates., , 2., , Vertebrates are grouped under ‘Craniata’. Give reason., , 3., , Which of the protochordates have notochord in the tail?(K), , 4., , Which class of vertebrates has jawless circular mouth? (K), , 5., , “Cartilaginous fishes should swim constantly to avoid sinking unlike bony fishes”., Why?, , 6., , Name the respiratory organs in fishes ?, , 7., , What is oviparous animal? Give example., , 8., , Skin of frog and most of amphibians always moist. Give reason., , 9., , Heart of vertebrates is called myogenic. Give reason., , 10. Give an example for tailed amphibian., 11. Give an example for limbless amphibian., 12. Name the respiratory organs in reptiles., 13. Mention the connecting link between reptiles and mammals., 14. What are pneumatic bones?, 15. Aves and mammals are homoiothermous. Justify., 16. Where are the oil glands in birds located?, 17. Why bones are pneumatic in birds., 18. Birds usually excrete uric acid. Give reason., 19. Name the vertebrate group from which mammals arose., 20. Name the milk producing glands of mammals., 21. What are the external ears of mammals called?, 22. What does the skin of mammals (exoskeleton) posses?, 23. What is cleidoic egg ?, 24. Define gynacomastism / gynacomastia, 25. Which organism is called living fossil?, 26. What are poikilothermous organisms?, 27. Which organ represents the ear in Amphibians?, Page 7, , Ranga Rao R H

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SKMMR PUC SIRA, , FIRST YEAR BIOLOGY, , ANIMAL KINGDOM, , 28. Name the reptile that has four chambered heart., 29. Define viviparous animals., 30. What is amnion ?, TWO / THREE MARKS QUESTIONS, 1., , List any four salient features of phylum chordata, , 2., , Differentiate oviparity from viviparity., , 3., , Blood circulation in fishes is called single and incomplete. Justify., , 4., , Differentiate between urochordates and cephalochordates., , 5., , Diagrammatically represent the characters of Chordates., , 6., , List any SIX differences between Chondrichthyes and Osteichthyes., , 7., , Write one example each of the following –, a) Cold blooded animal, b) Warm blooded animal, c) Animal possessing dry and cornified skin, , 8., , There has been an increase in the number of chambers in heart during the, evolution of vertebrates. Give the names of the classes of vertebrates having two,, three, and four chambered heart., , 9., , Define poikilothermic animals; give any two animal groups as examples., , 10. What are homeothermic animals, give any two animal groups as examples., 11. Write any three salient features of class Cyclostomata., 12. ”Reptiles are the pioneer animals truly adapted for terrestrial mode of living”., Justify the statement with three terrestrial adaptations of reptiles., 13. Write the scientific names of the followinga) Peacock, , b) Tiger, , c) Blue whale, , 14. Mention three subphyla of phylum Chordata with an example each., 15. What are the three fundamental characters of Phylum Chordata?, 16. What are marsupials ? Give an example., , 17. What are primarily aquatic / secondarily aquatic animals? Give examples., 18. Name the classes the following belong;, a) Whale, , b) Bat, , c) Bufo, Page 8, , d) Chamaeleon, Ranga Rao R H

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SKMMR PUC SIRA, , FIRST YEAR BIOLOGY, , ANIMAL KINGDOM, , FIVE MARKS QUESTIONS:, , 1., , Explain the three salient features of Phylum Chordata. How it is classified ?, , 2., , Distinguish b/n chondrichthyes (cartilage fishes) and osteichthyes (bony fishes)., (OR), , 3., , How do cartilaginous fishes differ from bony fishes?, , 4., , Write any 6 salient features of cartilage fishes / bony fishes. Give two examples, , 5., , Enumerate the salient features of the class Reptila / Amphibia., , 6., , Write the adaptive characters in birds that support their aerial mode of living, (OR), , Enumerate the volant adaptations in birds., 7., , Mammals are most adapted and most evolved among all the animals. Elaborate, with five important features., , 8., , Write one function for each of the followinga) Tympanum, , 9., , b) Nictitating membrane, , c) Air bladder, , Write the scientific names of the followinga) Devil fish, , b) Hag fish, , c) Dog fish, , d) Flying fish, , e) Saw fish., , 10. Write the general characters and classification of Vertebrata., 11. Differentiate chordates from non-chordates., 12. Name the classes of vertebrates in which members posses;, a) Left aortic arch, , d) Pneumatic bones, , b) Diaphragm, , 13. Lateral line sense organs, , 14. Name the classes the following belong;, a) Whale, , b) Bat, , c) Bufo, , d) Chamaeleon, , 15. Name the group / animal which show the following phenomenon., a) Neoteny, , b) Echolocation, , c) Viviparity, , d) Volant adaptation, , ****, Page 9, , Ranga Rao R H

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SKMMR PUC SIRA, , FIRST YEAR BIOLOGY, , ANIMAL KINGDOM, , Concentrate on this also, 1., , What is water canal system? How does water flow through a sponge body?, , 2., , Name the lowest phylum to show bilateral symmetry., , 3., , Name the excretory organs in Platyhelminthes., , 4., , Give an example for Ovo - Viviparous animals., , 5., , Name the animal, which is without Jaws., , 6., , Which is the largest animal phylum in terms of no. of species?, , 7., , Write the economic importance of Corals [or] molluscan shells., , 8., , What is Agnatha? give an example., , 9., , What type of scales you find in cartilage fishes?, , 10. Name the Molluscan without shell., 11. Define the term “Radiata”, 12. Name the class to which Cockroach belongs., 13. What is the peculiarity you find in Echinoderms with reference to symmetry?, 14. Explain how the frog is adapted for amphibious made of life., 15. Which disease is caused by filarial worm?, 16. What is closed type of circulatory system?, 17. What are diploblastic animals?, 18. In which group of animals, you find GVC?, 19. Where do you find ambulacral system?, 20. In which group of animals you find tube feet., , **88888**, , Page 10, , Ranga Rao R H