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Rayat Shikshan Sanstha’s Mahatma Phule Arts, Science & Commerce College, Panvel T. Y. B. Sc. Zoology Semester VI Paper I (Course Code: USZO601) Sample Multiple Choice questions 1. Notochord is present in ...... a) Invertebrates b) Chordates c) Hemichordates d) Echinoderms 2. In ...... , notochord is replaced by vertebral column. a) Protochordates b) Cephalochordates c) Vertebrates d) Urochordates 3. Triploblastic body wall consists of ectoderm, mesoderm &...... a) Endoderm b) Placoderm c) Mesogloea d) Gastroderm 4. Chordates are ...... animals. a) Acoelomate b) Coelomate c) Pseudocoelomate d) Schizocoelomate 5. In chordates, ...... grade of organization is observed. a) Cellular b) Tissue c) Organ d) Organ-system 6. Circulatory system in chordates is of ...... type. a) Closed b) Open c) Semi-closed d) Simple 7. In chordates, ...... is a respiratory pigment. a) Haemoglobin b) Haemocyanin c) Myoglobin 2

d) Anthocyanin 8. Haemoglobin is present in ...... a) Red blood cells b) White blood cells c) Lymphocytes d) Plasma 9. Protochordates are also called as ...... a) Craniata b) Acraniata c) Tunicata d) Silicata 10. In craniata, ...... is present. a) Cranium b) Tunic c) Shell d) Paired appendages 11. In ...... , notochord is present in larval tail. a) Urochordates b) Cephalochordates c) Hemichordates d) Vertebrates 12. In ...... , notochord extends up to the tip of the snout. a) Urochordata b) Vertebrata c) Gnathostomata d) Cephalochordata 13. Amphioxus is a ...... a) Cephalochordate b) Urochordate c) Vertebrate d) Invertebrate 14. Gnathostomes are always referred as ………… vertebrates. a) Jawless b) Jawed c) Single jawed d) Circular mouthed 15 Chondrichthyes includes …………. fishes. a) Bony b) Cartilaginous 3

c) Lung d) Armored 16. Osteichthyes includes……………… fishes a) Cartilaginous b) Lung c) Bony d) Armoured 17. In fishes respiration occurs by ……………….. a) Lungs b) Gills c) Body surface d) Skin 18. Exoskeleton in cartilaginous fishes is made up of ………….. scales. a) Placoid b) Cycloid c) Ganoid d) Ctenoid 19. In bony fishes …………. scales are absent a) Cycloid b) Placoid c) Ganoid d) Ctenoid 20. Inclimatius belongs to class …………. a) Osteodermia b) Placodermi c) Chondrichthyes d) Osteichthyes 21. In climatius fish body is covered ……………….. a) Heavy bony plates b) Dermal plates c) Scales d) Dentides 22. …………… is the extinct spiny shark. a) Rhinobatus b) Climatius c) Exocoetus d) protopterus 23. Rhinobatos belong to class ……………. a) Ostochthyes 4

b) Chondrichthyes c) Elasmobranch d) Placodermi 24. ……….. tailfin is characteristics feature of lung fishes. a) Diphycercal b) Heterocercal c) Homocercal d) Hemicercal 25. In amphibians heart is …………. chambered. a) 2 b) 3 c) 4 d) 5 26. Amphibians includes ……………. orders. a) 1 b) 2 c) 3 d) 4 27. Respiration through the ……… is called cutaneous respiration. a) Lung b) Gill c) Skin d) Mouth 28. Amphibians are ……………………….. a) Oviparous b) Viviparous c) Ovoviviparous d) Protopterus 29. Aestivation is also called …………….. a) Summersleep b) Wintersleep c) Groundsleep d) Monsoonsleep 30. ……………… female coil its body around eggs in parental care. a) Ichthyophis b) Hyla c) Frog d) Acphiuma 31. …………. in Hyla are used for attachment to the surfaces. 5

a) Claws b) Adhesive pads c) Rough skin d) Scales 32. Hyla is also called ……………………… frog. a) Tree b) Water c) Mud d) Grass 33. Reptile evolved in ------period of mesozooic era. a. cretaceous b. Triassic c. Devonian d. Jurassic 34...... was first connecting between amphibians and reptiles. a. Seymouria b. mesosaurus c. dinosaurs d. Ichthyosaurus 35. ..…is characterized by forwardly directed short beak & and large rounded eyes a. Ostrich b. Emo c. Cormorants d. Barn owl 36. ……………is a flight less birds a. Gallus b. Peacock c. Emu d. owl 37. Squirrel is a ------mammal. a.toothless b. Gnawing c. Ruminent d. Rodent 38. Rh blood factor was discovered in ------a. macaca b.. Langur c. Sloth 6

d. Shrew 39. Scolidon is commonly called as------a. Catfish b. Dogfish c. Lungfish d. Flying fish 40. Scolidon is specifically due to its powerful capacity of ------a. Smelling b. Swiming c. Hearing d. Vision 41. IUCL listed scoliodon as ------a. extinct b. vulnerable c. endangered d. Critically endangered 42. Exoskeleton is formed of------a. scales b. dermal plates c. scutes d. bony plates 43. Spines in the specoid scales are made up of ------a. enamel b. calciumcabonate c dentine d .vitrodentine 44. Axial skeleton in scolidon consist of skull and ------a. vertebral column b. visceral arches c. jaws d. mouth 45. There are ------arches in visceral skeleton. a. 5 b. 7 c. 8 d.4 46. ------are intromittentorgans during copulation a. Claspers b. Pelvic fins 7

c. Pectoral fins d. Ventral fins 47. Scolidon is a ----fish. a. oviparous b. viviparous c. Ovoviviparous d. preparous 48. Seminal vesicle in male reproductive system is -----organ. a. storing b. secretory c. copulatory d. nourishing 49. Oviduct is also called ------a. ejaculatory duct b. mullerian duct c. uterus d. seminal duct 50. Egg of scolidon is ------a. alecithal b. mesolecithal c. telolecithal d. centrolecithal ======