Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
ORBIT MBBS QAD Series 1. Which of the following statement is true about the alimentary canal of Round worm (a) No mouth (b) Only have anus(c) Both mouth and anus (d) None of these 2. Special modification of Ascaris to its parasite mode of life is: (a) Striaght and uncoiled alimentary canal (b) Segemnted body (c) Resistant cuticle on the body surface (d) Cylindrical body 3. Filaria is: (a) Protozoan (b) Virus (c) Helminthe (d) Bacteria 4. Amphid and phasmid glands are found in: (a) Platyhelminthes (b) Annelida(c) Nematodes (d) Cockroach 5. The wandering journey of Ascaris takes: (a) 10 days (b) 12 days (c) 14 days (d) 20 days 6. Which of the following disease is caused by nematode: (a) Filariasis (b) Amoebiasis (c) Leprosy (d) Malaria 7. (a) 8. (a) 9. (a) 10. (a) (b) (c) (d) 11. 12. 13. 14. 15. 16. 17. 18. The space between the body wall and the alimentary canal of Ascaris is: Haemocoel (b) Pseudocoel (c) Enterocoel (d) Schizocoel The animal which sexes can be differentiated from external morphology is: Taenia (b) Krait (c) Ascaris (d) Sea anemone Filaria can be eradicated if the population of following is exterminated Cockroach (b) Housefly (c) Culex mosquito (d)Anopheles mosquito Which one of the following is true for Ascaris? Outside intestine liver lungs trachea oesophagus intestine Outside stomacm heart lungs trachea intestine Outside intestine heart lungs trachea intestine Outside stomach liver lungs oesophagus Roundworms differ from flatworms in having: a) pseudocoelom b) circular muscles layer c) Dorsal nerve cord d) circulatory system Tube -within -a tube body plan is shown by: a) porifera b) coelenterata c) Platyhelminthes d) Nemathelminthes Syncytial epidermis found in: a) house fly b) Ascaris c) Pheretima d) Periplaneta The third and fourth stage larvae of Ascaris develop in one of the following organs of human body? a) liver b) heart c) lungs d) spleen A rhabditiform larva forms in the life cycle of: a) Hydra b) Tapeworm c) liver fluke d) Ascaris Which of the following is found in the lymph nodes? a) Taenia b) Plasmodium c) Wuchereria d) Fasciola Scientific name of pinworm is: a) Trichinella b) Ancylostoma c) Enterobius d) Wuchereia The infective stage of Ancylostoma duodenale to human is: a) filariform larva b) microfilaria c) rhabditiform d) egg containing larva 19. Schizocoel is body cavity of: (a) Mollusca (b) Echinoderms (c) Platyhelminthes (d) Annelids ORBIT MBBS 20. The animal without any respiratory organ is: (a) Cockroach (b) Earthworm (c) Snake (d) Frog 21. Trochopore larva is found in (a) Annelida (b) Arthropoda (c) Mollusca (d) Echinodermata 22. Which of the following belongs to Annelida (a) Sea pen (b) Sea mouse (c) Sea fur (d) Sea cow 23. Parapodia are found in (a) Oligochaeta (b) Polychaeta (c) Arthropoda (d) Hirudinea 24. Organisms having bilatral symmetry, closed circulatory system and metameric segmentation belongs to (a) Annelida (b) Mollusca (c) Arthropoda (d) Echinodermata 25. The most important character of annelids is (a) Metamerism (b) Hermaphroditism (c) Elongated body (d)Presence of nephridium 26. What is common between leech, centipede and earthworm? (a) Hermaphroditism (b) Ventral nerve cord (c) Absence of legs (d) Malpighian tubules 26. Cuticle of annelids is (a) Non-chitinous and albuminoid (b) Chitinous (c) Chitinous and albuminoid (d) Non-chitinous 27. Botryoidal tissue is found in (a)Hirudinaria (b) Earthworm (c) Rabbit 28. Leech obtains continuous blood-stream from its victim by pouring in it (a) Heparin (b) Insulin (c) Pepsin 29 In Earthworm, excretion takes place through: (a) Nephrida (c) Flame cells (d) Ascaris (d) Hirudin (b) Malphigian tubules (d)fat body 30. Role of typhlosole in earthworm is to: (a) emulsify food (b) kill bacteria (c) increase absorptive surface area (d) Productive digestive enzyme 31. In which of the following class of Annelids, one pair ovaries and several pair of testes are formed? (a) Archiannelida (b) Hirudinea (c) Oligochaeta (d) Polychaeta 32. Fertilization in earthworm is: (a) Cross fertilization (c) Self fertilization (b) Mutual fertilization (d) none 33. Dorsal pores of Earthworm are meant for passage of: (a) coelomic fluid (b) blood (c) waste materials (d) gametes 34. Nephridia brings all the waste product from: (a) Gut (c) Clitellum (b) Coelom (d) prostomium 35. A projection in the alimentary canal of earthworm that increases absorptive surface area is: (a)Villi (b) Typhlosole (c) Gizzard (d) stomach 36. Animal in which clitellum’s always present, belong to which class of Annelids? ORBIT MBBS (a) Polychaeta (c) Hirudinea (b) Oligochaeta (d) Archiannelida 37. In animal of which class, the number of body segment is definite: (a) Oligochaeta (b) Hirudinea (c) polychaeta (d) none 38. A polychaeta differentiated from the oligochaeta on the basis of: (a) absence of clitellum (b) presence of distinct head (c) presence of parapodia (d) all of the above 39. Which of the following is Annelids? (a) sea horse (b) sea mouse (c) sea cow (d) sea pen 40. In Annelids, formation of larva is usually absent but when present the larve is called: (a) Tadpole (b) Planula (c) Trochophore (d) Ephyra 41. Haemocoelomic system is best represented by: (a)Earthworm (b) Leech (c) Ascaris (d) Hydra 42. What is the common between leech, centipede and earthworm? (a) Hermaphroditism (b) Ventral nerve cord (c) Absence of legs (d) Malpighian tubules 43. Coelomic fluid of earthworm is composed of water, salts and proteins and also: (a) Amoebocytes, Mucocytes and Chloragogen (b) Amoebocytes, Pinacocytes and Choanocytes (c) Archaeocytes, Pinacocytes and Calcoblsts (d) Amoebocytes, Scleroblasts and Pinacocytes 44. The earthworm move with the help of: (a) Setae, muscles and hydrostatic skeleton (b) setae alone (c) Muscles alone (d) Pardpodia 45. In earthworm, the chromophil cells serve to: (a) Secrete mucus (b) regulate skin colour (c) Store fats (d) secrete saliva 46. In earthworms, neurons are: (a) Sensory (b) Motor (c) adjustor (d) all 47. Which ones are not hermaphrodite? (a) Polychaetes (b) Leeches (c) Flatworms (d) Earthworms 48. Annelids have: (a) Bilateral symmetry, blastopore mouth and true coelom (b) Radial symmetry, blastopore mouth and acoelom (c) spherical symmetry, blastopore mouth and pseudocoelom (d) none of the above 49. Coelom filled with muscular and connective tissues occurs in: (a) Ascaris (b) Nereis (c) Phenetima (d) Hirudo 50. In earthworm, the segment bearing mouth is: (a) Deuterostomium (b) Prostomium ORBIT MBBS (c) Periostomium (d) Cytostome 51. Male genital pores in earthworm are found in: (a) 14th segment (b) 17, 19th (c)18th (d) 10, 11th 52. Setae are found in all body segment of earthworm except: (a) last segment (b) first segment (c) clitellar segment (d) 1st , last and clitellar segments 53. In earthworm skeleton like function is performed by: (a) Coelomic fluid (b) Alimentary canal filled with food (c) Typhlosole (d) Clitellum 54. Main function of phorphyrin pigment present in earthworm: (a) Helps in respiration (b) Helps in reproduction (c)Makes the worm beautiful (d) Protection from adverse effects of sun 55. Chloragogen cells of Pheretima have similar function like the vertebrates? (a)kidney (b)Malpighina tubules (c)liver (d) lungs 56. Gizard in Pheritima is an organ: (a)secrete slime (b)for absorption of digested food (c)for excretion (d)for crushing fluid 57. Which structure in Earthworm is capable of secreting hormones? (a)Nerve cord (b)Lymph gland (c)Cerebral ganglia (d)Chloragogen cells 58. Which of the following is exonephric nephridia? (a)Pharyngeal nephridia (b)Septal nephridia (c)Integumentary nephridia (d) Integumentary and pharyngeal nephridia 59. In earthworm the enteronephric nephridia open in: (a)Body surface (b)Buccl cavity (c)Intestine (d)both b and c 60. Earthworm is: (a)Uricotelic (c)Ureotelic (b)Ammonotelic (d)both b and c 61. Septal nephridia of earthworm discharge excretory product into: (a)Body cavity (b) Pharynx (c)outside on body surface (d)Lumen of intestine 62. Similarity between septal nephridia and malpighian tubules is that: (a)Both excrete urea (b)Both open in body cavity (c)Both leave excretory products in intestine (dNone 63. Accessory glands in earthworm are found in segments: (a)17, 18 (b)17, 19 (c)19, 20 (d)18, 19 64. In earthworm process of spermatogenesis is takes place in: (a)Spermatheca (b)Testis (c)Testis sac (d)Seminal vesicle 65. Cuticle of earthworm is secreted by: (a)Peritoneum (b)Muscular layer (c)Epidermis (d)Hypodermis ORBIT MBBS 66. In Pheretima, the glands that help in binding the worms during copulation are: (a)Prostate glands (b)Albumin glands (c)Accessory glands (d)Mucous glands 67. Organisms having bilateral symmetry, closed circulatory system and metameric segments belong to: (a)Annelida (b)Mollusca (c)Arthropoda (d)Echinodermata 68. Nephrostome is a composed of: (a)Septal nephridia (b) Integumentary nephridia (c)Pharyngeal and septal nephridia (dPharyngeal and integumentary nephridia 69. In Earthworm, the effective organ for food digestion is: (a)pharynx (b)buccal cavity (c)mouth (d)stomach 70. Botryoidal tissue is found in: (a)Unio (c)Hirudo (b)Ascaris (d)Nereis 71. Neurohormones secreted by cerebral ganglia in Earthworm control: (a) nutrition (b) reproduction (c) locomotion (d) metabolism 72. Clitellum of Pheretima is thick girdle that is: (a)nonglandular around 14 – 16 segments (b)glandular around 14 – 16 segments (c)glandular around 16 – 18 segments (d)nonglandular 16 – 18 segments 73. In earthworm paired sperm theca are found in: (a)4th to 7th segments (c)6th to 9th segments (b)5th to 8th segments (d)7th to 10th segments 74. Structure present only in 7th and 9th segments of Pheretima posthuma is: (a)lateral hearts (b)pharyngeal nephridia (c)ganglia (d)spermathecae 75. An organ in earthworm analogous to our kidney is: (a)ovary (b)testis (c)nephridia (d)clitellum 76. During copulation in earthworm, sperm is received through: (a)nephridial pore (b)female genital pore (c)spermatheca (d)dorsal pore 77. Subpahryngeal nerves in earthworm are: (a)one pair (c)three pair (b)two pair (d)4 pair 78. Nephrostomes are absent in: (a)integuimentary nephridia (c)pharyngeal nephridia (b) septal nephridia (d) all of these 79. Clitellum in earthworm is concerned with: (a)excretion (b)copulation (c)cocoon formation (d)fragmentation 80. One of the following is considered as a connecting link between Annelida and Arthropoda: (a)peripatus (b)limulus ORBIT MBBS (c)balanoglosus (d)sphenodon 81. In earthworm fertilization takes place in: (a)oviduct (c)clitellum (b)spermatheca (d)cocoon 82. How are annelida advanced over nematode? (a)closed circulation (c)metameric segmentation (b)true coelom (d) all of these 83. Haemopoisis in earthworm takes place in (a)Lymph glands (c)Lateral hearts (b)Salivary glands (d)Blood glands 84. Vermicomposting means (a)Removal of worms (c)Adding dead worms to the decayed leaves (b)making of enriched soil by the worms (d)Bio degradation by worms 85. What term is used for the nephridia which discharge their excretory products into lumen of gut? (a)enteronephric (b)exonephric (c)exocrine (d)holocrine 86. In earthworm, the circular muscle are highly developed in (a)Body wall (b)Gizzard (c)Pharynx (d)Typhlosole 87. Haemoglobin is in dissolved form in the plasma of: (a)Earthworm (b)Ascaris (c)Tapeworm (d)Insects Prepared by Kamal Nepal